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Tytuł:
Comparative Study on the Incorporation of Lesser Mealworm (Alphitobius diaperinus) and House Cricket (Acheta domesticus) Powders into Shortbread Cookies: Effects on Physical, Chemical and Sensory Properties
Autorzy:
Tańska, Małgorzata
Browarek, Joanna
Ruszkowska, Millena
Purkiewicz, Aleksandra
Powiązania:
https://bibliotekanauki.pl/articles/48899279.pdf
Data publikacji:
2024-09-06
Wydawca:
Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
Tematy:
consumer acceptance
edible insects
fat quality
house cricket imago
lesser mealworm larvae
Opis:
Edible insects have the potential to serve as a valuable and innovative source of nutrients. However, their incorporation can affect various product characteristics. This study aimed to evaluate the effect of using lesser mealworm larvae (LMP) and house cricket imago (HCP) powders in shortbread cookie recipe on their physical, sensory, and nutritional characteristics. The cookies prepared from wheat flour (control) and those with 10% and 20% (w/w) of wheat flour replaced by insect powders were analyzed. Additionally, the fat quality and sorption properties of the insect powders were evaluated to determine their impact on the storage stability of the cookies. The results indicated that the chemical composition of both insect powders influenced their sorption properties, contributing to their good storage stability Nevertheless, the changes caused by the incorporation of LMP were more pronounced than those caused by HCP. The insect powders improved the nutritional value of the cookies, notably increasing protein content (2.1 times for cookies with 20% LMP replacement) and essential fatty acid levels (3.3 times for cookies with 20% LMP replacement), compared to control. However, it diminished oxidative stability of the fat in cookies (with a 25.9% shorter induction time for 20% LMP cookies) and their sensory characteristics (primarily ratings of color, taste, and aroma were lower by 32.4–65.2%). Generally, the cookies with a 10% LMP replacement achieved consumer acceptability comparable to those with 20% HCP, suggesting that a lower level of LMP is preferable in the recipe compared to the HCP level. Overall, LMP could be deemed a promising ingredient for the pastry industry; however, further research is needed to enhance the sensory characteristics and shelf-life of products enriched with this insect powder.
Źródło:
Polish Journal of Food and Nutrition Sciences; 2024, 74, 3; 280-292
1230-0322
2083-6007
Pojawia się w:
Polish Journal of Food and Nutrition Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Cricket Powder Incorporation on the Profile of Volatile Organic Compounds, Free Amino Acids and Sensory Properties of Gluten-Free Bread
Autorzy:
Wieczorek, Martyna N.
Kowalczewski, Przemysław Ł.
Drabińska, Natalia
Różańska, Maria B.
Jeleń, Henryk H.
Powiązania:
https://bibliotekanauki.pl/articles/2152160.pdf
Data publikacji:
2022-11-22
Wydawca:
Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
Tematy:
sensory analysis
volatile compounds
edible insects
Acheta domesticus
house crickets
GC×GC-ToFMS
Opis:
Scientists around the world are interested in edible insects as a source of valuable nutrients. Among the most often described are crickets, which represent a source of significant amounts of protein, lipids, vitamins, and minerals. This article reports results of a study into the effect of starch-to-cricket powder (CP) addition on the free amino acid profile as well as potential odorants in gluten-free (GF) bread. A significant 2.6-fold increase was observed in the content of essential amino acids in the CP-enriched GF bread. Moreover, the CP addition resulted in the formation of many volatile compounds, such as pyrazines, furans, and sulfur-containing compounds, which exhibit strong aroma-enhancing properties. The attractiveness of the CP-enriched bread was confirmed by the results of the sensory analysis, showing a significant improvement in its flavor when compared to the traditional GF bread without CP. GF bread enriched with CP was characterized by caramel, roasty, and cooked potatoes notes. On the basis of the obtained results, it was concluded that the use of CP not only improves the nutritional value but also aroma of GF bread.
Źródło:
Polish Journal of Food and Nutrition Sciences; 2022, 72, 4; 431-442
1230-0322
2083-6007
Pojawia się w:
Polish Journal of Food and Nutrition Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of the Addition of Edible Insect Flour from Yellow Mealworm (Tenebrio molitor) on the Sensory Acceptance, and the Physicochemical and Textural Properties of Sponge Cake
Autorzy:
Kowalski, Stanisław
Mikulec, Anna
Skotnicka, Magdalena
Mickowska, Barbara
Makarewicz, Małgorzata
Sabat, Renata
Wywrocka-Gurgul, Anna
Mazurek, Aleksandra
Powiązania:
https://bibliotekanauki.pl/articles/2152157.pdf
Data publikacji:
2022-11-14
Wydawca:
Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
Tematy:
edible insects
sensory assessment
microbiological properties
amino acid profile
fatty acid profile
Opis:
The aim of this study was to evaluate the possibility of using insect flour for sponge cake supplementation. Consumer acceptance, chemical composition, textural properties, and microbiological characteristics were determined. The addition of mealworm flour significantly increased the content of nutrients, especially protein, ash, lipid, and dietary fiber. Mealworm flour influenced the color parameters as well as textural properties. The fatty acid profile was dominated by monounsaturated fatty acids, ranging from 9.72 g/100 g for wheat flour sponge cake to 41.82 g/100 g for sponge cake with 20% addition of mealworm flour. The amino acid profile of mealworm flour was characterized by a significantly higher content of essential amino acids compared to wheat flour and sponge cakes. Sponge cake supplementation resulted in a good nutritional value of protein except for lysine which was the limiting amino acid in all samples. However, the limiting amino acid index was 63.04-63.10% compared to 30.38% for the mealworm and wheat sponge cake, respectively. The presence of insect flour reduced the organoleptic properties of the obtained sponge cakes, regardless of its quantity. The addition of mealworm flour contributed to a significant reduction in the hardness and fracturability of the sponge cakes on the baking day and during the 30-day storage. Insect flour addition did not reduce the microbiological safety of the final product. The study results indicate the possibility of using mealworm flour in the production of confectionery products.
Źródło:
Polish Journal of Food and Nutrition Sciences; 2022, 72, 4; 393-405
1230-0322
2083-6007
Pojawia się w:
Polish Journal of Food and Nutrition Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of ambient temperature on reproduction of the red-headed cricket (Gryllus assimilis)
Autorzy:
Hermansa, Natalia
Kustra, Kamila
Trela, Magdalena
Lis, Marcin W.
Powiązania:
https://bibliotekanauki.pl/articles/29521114.pdf
Data publikacji:
2022
Wydawca:
Akademia Tarnowska
Tematy:
insects
insectariums
environmental conditions
owady
insekty
warunki środowiska
Opis:
Red-headed crickets were kept in glass insectariums equipped with drinkers, food containers and peat boxes for laying eggs. In the first stage of the experiment, the insects were divided into three groups, kept at 20°C, 25°C and 29°C, respectively. Three days after placing the crickets in the insectariums, the eggs were counted. In the second stage, the eggs (15 pcs.) were placed in boxes with peat in insectariums and exposed to the same temperatures as the females were kept at 20°C, 25°C and 29°C respectively, and the time in which the larvae hatch in each container was observed. It was found that the thermal conditions of the environment influence the number of eggs laid by female Gryllus assimilis and the length of the embryonic period in red-headed crickets. It is estimated that in the temperature range of 20–29°C, increasing the temperature by 1°C shortens the time needed to hatch the larvae from the eggs by 2 days.
Źródło:
Science, Technology and Innovation; 2022, 15, 1-2; 38-44
2544-9125
Pojawia się w:
Science, Technology and Innovation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Revision of the genus Daldinia in the KRAM herbarium collection: Daldinia childiae, D. loculata and D. loculatoides, three new species for Poland
Autorzy:
Chlebicki, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2183579.pdf
Data publikacji:
2022-07-12
Wydawca:
Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:
Daldinia
stromatal pigments
wood-inhabiting fungi
fungi-associated insects
Opis:
The article presents the results of the revision of Daldinia (Ascomycota) specimens preserved in KRAM F (Kraków, Poland). The following species were identified: Daldinia childiae, D. decipiens, D. loculata, D. loculatoides, D. petriniae and D. vernicosa. Three of them were not reported from Poland so far: D. childiae, D. loculata, D. loculatoides. Aditionaly to Polish specimens, also some collections from outside Poland are kept in KRAM F: one specimen of D. concentrica from Bulgaria, D. lloydii from Ukraine and D. eschscholtzii from Cameroon.
Artykuł zawiera wyniki rewizji okazów z rodzaju Daldinia (Ascomycota), przechowywanych w zbiorach KRAM F. W kolekcjach stwierdzono następujące gatunki: D. childiae, D. decipiens, D. loculata, D. loculatoides, D. petriniae i D. vernicosa. Trzy z nich nie były do tej pory podawane z terenu Polski: D. childiae, D. loculata, D. loculatoides. W zbiorach KRAM F znajdują się również kolekcje spoza Polski: jeden okaz D. concentrica z Bułgarii, D. lloydii z Ukrainy i D. eschscholtzii z Kamerunu.
Źródło:
Annales Universitatis Paedagogicae Cracoviensis Studia Naturae; 2022, 7; 61-73
2543-8832
2545-0999
Pojawia się w:
Annales Universitatis Paedagogicae Cracoviensis Studia Naturae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Changes in the power (Watts) of the actinic light do not affect its better performance vs the ultraviolet light
Autorzy:
Matos da Costa, João
Powiązania:
https://bibliotekanauki.pl/articles/1193453.pdf
Data publikacji:
2021
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
actinic light
traps on insects
ultraviolet light
Opis:
Monitoring systems should be simple, time and cost effective, and collect as much information as possible, regarding the diversity of the communities under study. Most of studies use ultraviolet light traps to survey moths, although is known that the spectral sensitivity of moths has other wavelengths absorption peaks. As wider is the spectrum emitted by the lamps the wider is the fauna attracted and possible to be collected. The wider spectrum of actinic light, once it emits a large part of the ultraviolet wavelength as well as a peak at the blue, attracted more species than the ultraviolet light. In 2018 and 2019 the actinic light captured more species in 75% of the surveyed areas, while in 2020 in all areas. In 2018 and 2019, the power of the actinic light was 15 W and the ultraviolet light only 8 W. The actinic light trap captured, in 295 samples (50%), more species than the UV light trap which had a better performance in 201 samples (34%). In 2020 both light traps have the same power, 8 W, and results were similar, the actinic light collected more species in 123 samples (50%) than the ultraviolet light which in 48 samples (35%) collected more species than the actinic light.
Źródło:
World Scientific News; 2021, 157; 154-168
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Entomologia rock and rolla. Owady i rewolucja elektroniczna w muzyce popularnej
Entomology of rock and roll. Insects and the electronic revolution in popular music
Autorzy:
Brzostek, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/1944368.pdf
Data publikacji:
2021-06-30
Wydawca:
Narodowe Centrum Kultury
Tematy:
rock
bioakustyka
technologia
muzyka elektroniczna
owady
bioacoustics
technology
electronic music
insects
Opis:
The aim of this article is to analyse the relationship between bioacoustics, electronic sound production, and popular music. The electronic revolution in music production in the mid-1960s, inspired by the invention of electronic musical instruments for sound synthesis (Moog, Buchla, ARP Odyssey), was given a prominent place not only in the academic avant-garde laboratories but also in the popular music market, resulting in the emergence of new musical genres and challenging the classical instruments of rock music (guitar, bass, drums). However, abstract electronic sounds and sound-objects ‘discovered’ by rock and roll artists inevitably required new points of reference transcending beyond the existing canon (blues – classical music). One of them was to imitate (through synthesisers) or employ (through bioacoustic recordings) the sounds of insects as adequate equivalents of the ‘sound masses’ generated by electronic instruments and commonly used sound effects. It resulted in a significant re-evaluation of music production and the relationship between popular culture and avant-garde art.
Źródło:
Kultura Współczesna. Teoria. Interpretacje. Praktyka; 2021, 114, 2; 120-133
1230-4808
Pojawia się w:
Kultura Współczesna. Teoria. Interpretacje. Praktyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mucha w systemie kulturowym – od „bezznaczeniowości” do „demonizmu” (na wybranych przykładach)
The Fly in the Cultural System: From “Insignificance” to “Demonization” (a Discussion of Selected Examples)
Муха в системе культуры – от «незначительности» до «демонизма» (на примере избранных текстов)
Autorzy:
Chylińska, Ilona
Powiązania:
https://bibliotekanauki.pl/articles/1879877.pdf
Data publikacji:
2021-06-29
Wydawca:
Wydawnictwo Uniwersytetu Śląskiego
Tematy:
муха
animal studies
смерть
насекомые
отношения между человеком и животным
mucha
śmierć
owady
relacje człowiek–zwierzę
fly
death
insects
interaction between human and animal
Opis:
Niniejszy artykuł został przygotowany jako studium przekrojowe funkcjonowania muchy – pozornie nic nieznaczącego stworzenia – w tekstach literackich. Kluczem do przygotowania szkicu była różnorodność obrazów i co za tym idzie myśli i możliwości interpretacji, które wprowadza swoim występowaniem na kartach literatury ten niepozorny owad. Mucha staje się w nich „wiernym towarzyszem” człowieka, będąc mu tożsamą, a zarazem stworzeniem, wobec którego żywimy obojętność.
Настоящая статья представляет собой исследование того, как в литературных текстах изменилась роль мухи – существа, на первый взгляд совсем ничего не значащего. Источником к подготовке статьи стало множество образов и интерпретаций, связанных с присутствием этого неприметного насекомого на страницах литературы. Муха становится в них «верным спутником» человека, с одной стороны, идентифицируя себя с ним, с другой – будучи существом, по отношению к которому мы испытываем равнодушие.
This article offers an overview of the literary functions of the fly, that seemingly meaningless and inconspicuous creature. The main inspiration for this analysis has come from observations of the diversity of the images, ideas, and interpretations related to the fly found on the pages of literary works. In them, the fly often becomes man’s “faithful companion,” a being a person can identify with; but it also tends to be represented as a creature towards which people remain indifferent.
Źródło:
Zoophilologica. Polish Journal of Animal Studies; 2021, 1 (7); 1-17
2719-2687
2451-3849
Pojawia się w:
Zoophilologica. Polish Journal of Animal Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Owady Norwida. Ostatnia z bajek, czyli o piękności istnienia
Norwid’s insects. Ostatnia z bajek, or on the beauty of existence
Autorzy:
Szczeglacka-Pawłowska, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/17936373.pdf
Data publikacji:
2021-11-19
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
Tematy:
Cyprian Norwid
Ostatnia z bajek
entomologia romantyczna
owady w literaturze
anioł
rysunki Cypriana Norwida
Norwidowska koncepcja piękna
Ostatnia z bajek [The Last of the Fairy Tales]
Romantic entomology
insects in literature
angel
Norwid’s drawings
Norwid’s idea of beauty
Opis:
Artykuł jest studium interpretacyjnym, w którym Ewa Szczeglacka-Pawłowska omawia Ostatnią z bajek jako dzieło późne poety. Punktem wyjścia dla szczegółowych rozpoznań o charakterze interpretacyjnym są pytania o obraz i znaczenie przywołanych w utworze owadów, a także o wymiar liryczny bajkowej przypowieści Norwida. Autorka odsłania wpływ entomologii romantycznej, a także konkretnych fragmentów Nie-Boskiej Komedii Zygmunta Krasińskiego na sposób przedstawiania przez Norwida obrazu świata jako współistnienia człowieka z różnymi stworzeniami i bolesnej utraty więzi z innymi istotami. Liryzm i podmiotowość w Ostatniej z bajek mają swoje źródło w kontemplatywnym stosunku autora utworu wobec szeroko pojętej rzeczywistości, stąd ważne pytania postawione w artykule – o wymiar „piękności” istnienia, które to pytania określają główny temat bajki lirycznej Norwida.
This article offers an interpretation of one of Norwid’s late works: Ostatnia z bajek [The Last of the Fairy Tales].The starting point for this specific reading is the question regarding the image and meaning of the insects invoked in this workas well as the lyrical dimension of this fairy-tale-like fable. The article reveals the impact of Romantic entomology as well as specific passages from Zygmunt Krasiński’s Nie-Boska Komedia [The Undivine Comedy] on the ways in which Norwid develops an image of the world as a place where humans coexist with other beings and experience the painful loss of the bond with these fellow creatures. Lyricism and subjectivity in “Ostatnia z bajek”are rooted in the author’s contemplative attitude towards broadly understood reality. This raises the question posed in the title – one regarding the beauty of existence – which defines the the main topic of Norwid’s lyrical fairy tale.
Źródło:
Studia Norwidiana; 2021, 39; 117-134
0860-0562
Pojawia się w:
Studia Norwidiana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Produkcja owadów na cele spożywcze i paszowe
Production of insects for food and feed
Autorzy:
Sieradzki, Zbigniew
Osiński, Zbigniew
Kwiatek, Krzysztof
Powiązania:
https://bibliotekanauki.pl/articles/22180839.pdf
Data publikacji:
2021
Wydawca:
Krajowa Izba Lekarsko-Weterynaryjna
Tematy:
owady
produkcja
cele paszowe
higiena produkcji
białko z owadów
hodowla owadów
cele spożywcze
bezpieczeństwo pasz
bezpieczeństwo żywności
bezpieczeństwo produkcji
jakość produkcji
zapewnienie bezpieczeństwa
insects
insect protein
insect food
insect feed
Opis:
Due to the lack of history of insects production for food and feed purposes in Europe, food and feed safety issues, food and feed law requirements, are a new challenge for policy, producers and consumers. Producers of insects for feed and food must ensure compliance with the standards established for other types of production by introducing, documenting, implementing and maintaining continuous food and feed safety management procedures. Before placing the product on the market, it must be preceded by a risk assessment aimed at identifying and controlling hazards that could adversely affect the safety of insect products in the production chain. The requirements of EU law apply to all insect producers who rearing, processing, handling, or distributing insects in the food and feed chain. In this article major issues of these aspects were presented.
Źródło:
Życie Weterynaryjne; 2021, 96, 05; 345-350
0137-6810
Pojawia się w:
Życie Weterynaryjne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Time-delayed effect of petroleum-derived products in soil and their bioremediation on plant – herbivore interaction
Następczy wpływ produktów ropopochodnych w glebie i ich bioremediacji na interakcję roślina – roślinożerca
Autorzy:
Rusin, Milena
Gospodarek, Janina
Nadgórska-Socha, Aleksandra
Powiązania:
https://bibliotekanauki.pl/articles/2073766.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nutrients
heavy metals
bioremediation
petroleum pollution
phytophagous insects
sitona weevils
składniki odżywcze
metale ciężkie
bioremediacja
zanieczyszczenie ropopochodne
owady fitofagiczne
ryjkowce sitona
Opis:
The aim of the study was to determine the time-delayed (after three years from the moment of soil pollution) effect of petroleum-derived products (PDPs) (petrol, diesel fuel and used engine oil) on the interaction between selected host plant (broad bean) and a herbivorous insect closely related to it (Sitona spp.). We assessed the condition of the plant exposed to pollutants (i.e. its growth and chemical composition), then we evaluated the attractiveness of the plant for both larvae and adults of the insect. The evaluation covered also the effect of bioremediation by using ZB-01 biopreparation. The results showed that after 3 years from soil contamination, engine oil and diesel fuel limited the feeding of adult sitona weevils while petrol caused increase in the attractiveness of plants for these insects. The PDPs negatively affected the growth of plants. The changes in element content depended on the type of pollutant. The biopreparation ZB-01 eliminated or reduced the differences caused by the presence of PDPs in the soil regarding the chemical composition of the host plant, and limited feeding by both the larvae and adult individuals of sitona weevils. The negative relationships between the contents of both some macroelements (Mg, S) and heavy metals (Zn, Ni), and feeding of imago of Sitona were observed. The obtained results indicate that PDPs remain for a long time in the environment and adversely affect not only the organisms directly exposed to the pollution – plants growing on polluted soil but also further links of the trophic chain, i.e. herbivores.
Celem badań było określenie następczego (tj. po trzech latach od momentu zanieczyszczenia gleby) wpływu produktów ropopochodnych (benzyny, oleju napędowego i zużytego oleju silnikowego) na interakcję między wybraną rośliną (bób Vicia faba L.) i blisko z nią związanym owadem roślinożernym (oprzędzik – Sitona spp.). Oceniono stan rośliny narażonej na działanie poszczególnych zanieczyszczeń (tzn. jej wzrost i skład chemiczny), a następnie określono atrakcyjność rośliny zarówno dla larw, jak i postaci imaginalnych oprzędzików. Ocenie poddano również wpływ bioremediacji z użyciem biopreparatu ZB-01 na wymienione parametry. Stwierdzono, że po 3 latach od zanieczyszczenia gleby olej silnikowy i olej napędowy ograniczały żerowanie dorosłych oprzędzików, natomiast benzyna przeciwnie – spowodowała wzrost atrakcyjności roślin dla tych owadów. Ropopochodne negatywnie wpłynęły na wzrost roślin bobu, natomiast zawartość pierwiastków w roślinach była zróżnicowana i zależała od rodzaju zanieczyszczenia, na które były narażone. Biopreparat ZB-01 zniwelował lub wyraźnie zmniejszył różnice spowodowane obecnością ropopochodnych w glebie w odniesieniu do składu chemicznego roślin oraz ograniczył żerowanie zarówno larw, jak i dorosłych postaci Sitona spp. Zaobserwowano negatywne zależności pomiędzy zawartością zarówno niektórych makroelementów (Mg, S), jak i metali ciężkich (Zn, Ni) a żerowaniem imago oprzędzików. Uzyskane wyniki potwierdzają, że ropopochodne wykazują długotrwałe negatywne oddziaływanie na środowisko i wskazują, że mogą one niekorzystnie wpływać nie tylko na organizmy bezpośrednio narażone na zanieczyszczenia – rośliny rosnące na zanieczyszczonej glebie, ale także na dalsze ogniwa łańcucha troficznego, czyli roślinożerców.
Źródło:
Archives of Environmental Protection; 2021, 47, 3; 71--81
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A breakthrough in the efficiency of contact DNA insecticides: rapid high mortality rates in the sap-sucking insects Dynaspidiotus britannicus Comstock and Unaspis euonymi Newstead
Autorzy:
Gal`chinsky, N.
Useinov, R.
Yatskova, E.
Laikova, K.
Novikov, I.
Gorlov, M.
Trikoz, N.
Sharmagiy, A.
Plugatar, Y.
Oberemok, V.
Powiązania:
https://bibliotekanauki.pl/articles/2082776.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
antisense oligonucleotides
DNA insecticides
insect pest control
sap-sucking
insects
28S ribosomal RNA
Opis:
In this short communication describing experiments carried out on the larvae of two insects, Unaspis euonymi Comstock (feeding on Euonymus japonicus Thunb.) and Dynaspidiotus britannicus Newstead (feeding on Laurus nobilis L.), we evaluate for the first time the efficiency of using DNA insecticides in the control of sap-sucking insects, including armored scale insects. Over a period of 10 days, high insect mortality was detected in both U. euonymi and D. britannicus, accompanied by a significant decrease in the concentration of target RNAs. At the same time, no visible changes were observed when the leaves of the host plants were subjected to treatment with DNA insecticides for one month. The results show the high efficiency of DNA insecticides used against hemipteran insect pests. It is noteworthy that the high efficiency of DNA insecticides and their low cost in comparison with RNA preparations provides a safe and extremely promising potential vehicle for the control of sap-sucking insects.
Źródło:
Journal of Plant Protection Research; 2020, 60, 2; 220-223
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A new Early Cretaceous flea from China
Autorzy:
Zhang, Y.
Shih, C.
Rasnitsyn, A.P.
Ren, D.
Gao, T.
Powiązania:
https://bibliotekanauki.pl/articles/2082117.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
Insecta
Siphonaptera
Saurophthiridae
Saurophthirus
ectoparasitic insects
compression fossils
Mesozoic
Asia
Opis:
Fleas are highly specialized holometabolic insects. So far, only 16 species of fossil fleas in five families have been reported due to the rare fossil records. At present, the earliest flea fossils are reported from the Middle Jurassic Jiulongshan Formation of Northeastern China. The descriptions of these earliest species pushed back the origin of Siphonaptera by at least 40 million years. It is generally accepted that saurophthirids are the “transitional” taxa from stem Jurassic fleas to living crown groups. Herein, we described a new “transitional” flea species, Saurophthirus laevigatus Zhang, Shih, Rasnitsyn, and Gao sp. nov., from the Lower Cretaceous Yixian Formation of Northeastern China, assigned to Saurophthiridae. The new species provides new evidence to support saurophthirids as a “transitional” group. Sexual dimorphism suggests significant differences in biology of opposite sexes in Saurophthirus. Analysis of described Mesozoic species demonstrates the body size reduction from the Middle Jurassic to the Early Cretaceous. Smaller body size was likely advantageous in reducing the probability of being detected and removed by the host and in minimizing flea’s demand for blood intake and energy input, indicating the adaptation of the ectoparasitic lifestyle of fleas in their early stage of evolution.
Źródło:
Acta Palaeontologica Polonica; 2020, 65, 1; 99-107
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Entomofagia - jedzmy owady?
Entomophagy - let’s eat insects?
Autorzy:
Zarzyńska, Joanna
Zabielski, Romuald
Powiązania:
https://bibliotekanauki.pl/articles/21990787.pdf
Data publikacji:
2020
Wydawca:
Krajowa Izba Lekarsko-Weterynaryjna
Tematy:
owady jadalne
entomofagia
International Platform of Insects for Food and Feed
białko z owadów
źródła białka
fermy owadów
edible insects
insect protein
entomophagy
IPIFF
Opis:
Edible insects, apart from Europe and North America, are a common component of the daily diet worldwide. Problems with feeding the dramatically growing world population are directing researchers’ attention to the search for new sources of animal protein. Many studies are heading towards the production of so-called artificial meat, others relate to adequate modifications of plant proteins. Edible insect can also be a good source of animal protein. The new EU regulations categorize edible insects as novel foods, which opens up the possibility of its growing, processing and consumption. The article discusses issues of industrial breeding of edible insects and a number of concerns related to the safety (mainly microbiological) of food produced from edible insects.
Źródło:
Życie Weterynaryjne; 2020, 95, 03
0137-6810
Pojawia się w:
Życie Weterynaryjne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Forest site conditions and the threat for insect outbreaks in the Scots pine stands of Polissya
Autorzy:
Andreieva, Olena
Goychuk, Anatoliy
Powiązania:
https://bibliotekanauki.pl/articles/2041502.pdf
Data publikacji:
2020
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
bark beetles
foliage browsing insects
hygrotop
trophotop
Opis:
Scots pine (Pinus sylvestris L.) is the most spread forest tree species in Polissya and the most damaged by foliage browsing and stem insects. The aim of this study was to reveal the changes in the distribution of different forest site conditions for 2010–2019 in Scots pine forests of the selected forestry enterprises of Polissya and possible consequences for the spread of foliage browsing insects. Database of Production Association ‘Ukrderzhlisproekt’ (by 2010 and 2019) was analysed for five State Forest Enterprises (FE) that are located in the Central (Zhytomyr Region) and Western (Rivne and Volyn Regions) Polissya, where the large scale outbreaks of stem pests were registered last decade. The types of forest site conditions were designated in accordance with the Ukrainian typology. Distribution of the forest area by trophotops and hygrotops was evaluated for the forest-covered area, for Scots pine stands, and for pure Scots pine stands in 2010 and in 2019. For 2010–2019, the area of all Scots pine forests and its proportion in the forest-covered area has significantly decreased in the most of analysed forest enterprises. The change for 2010–2019 in the distribution both by the trophotops and by hygrotops of the entire forest-covered area, the area of all Scots pine forests and pure pine forests is not statistically significant. However, in assessment year 2019, the proportion of stands in the moist types of forest site conditions slightly increased. It may be the result of the stands’ mortality in the driest sites after an outbreak of bark beetles. A greater decrease in the proportion of Scots pine forest area in the dry poor, fresh poor, and dry relatively poor forest site conditions was found in the western direction. Therefore, the noted decrease in the foci areas of foliage browsing insects in Polissya in 2010–2012 compared to the 2000–2002 could be associated with a decrease in the most preferred stands, namely the poorest and driest types of forest site conditions.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2020, 62, 4; 270-278
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 72

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