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Bulletin of Entomological Research

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https://www.readbyqxmd.com/read/28436337/molecular-cloning-expression-and-characterization-of-e2f-transcription-factor-4-from-antheraea-pernyi
#1
M N Abbas, S Kausar, Y-X Sun, Y Sun, L Wang, C Qian, G-Q Wei, B-J Zhu, C-L Liu
The E2F transcription factor family is distributed widely in eukaryotes and has been well studied among mammals. In the present study, the E2F transcription factor 4 (E2F4) gene was isolated from fat bodies of Antheraea pernyi and sequenced. E2F4 comprised a 795 bp open reading frame encoding a deduced amino acid sequence of 264 amino acid residues. The recombinant protein was expressed in Escherichia coli (Transetta DE3), and anti-E2F4 antibodies were prepared. The deduced amino acid sequence displayed significant homology to an E2F4-like protein from Bombyx mori L...
April 24, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28434411/direct-and-indirect-resistance-of-sugarcane-to-diatraea-saccharalis-induced-by-jasmonic-acid
#2
P A Sanches, F Santos, M F G V Peñaflor, J M S Bento
Treating plants with synthetic jasmonic acid (JA) induces a defensive response similar to herbivore attack, and is a potential strategy for integrated pest management. Despite the importance of sugarcane, its JA-induced defences have not yet been studied. We investigated the effects of JA treatment on the direct and indirect resistance of sugarcane to the key-pest and specialist herbivore Diatraea saccharalis and the generalist Spodoptera frugiperda. Indirect defences were examined by testing the attraction of Cotesia flavipes, a sugarcane-borer parasitoid, to JA-induced volatile...
April 24, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28424101/limited-impacts-of-truck-based-ultra-low-volume-applications-of-mosquito-adulticides-on-mortality-in-honey-bees-apis-mellifera
#3
F D Rinkevich, J W Margotta, V Pokhrel, T W Walker, R H Vaeth, W C Hoffman, B K Fritz, R G Danka, T E Rinderer, R L Aldridge, K J Linthicum, J A Ottea, K B Healy
Adulticides applied against mosquitoes can reduce vector populations during times of high arbovirus transmission. However, impacts of these insecticides on pollinators and other non-target organisms are of concern to mosquito control professionals, beekeepers and others. We evaluated mortality of Culex quinquefasciatus and Apis mellifera when caged insects were exposed to low and high label rates of four common adulticides (Aqua-Pursuit™ [permethrin], Duet® [prallethrin + sumithrin], Fyfanon® [malathion] and Scourge® [resmethrin]) at six distances up to 91...
April 20, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28424098/identification-of-odorant-binding-protein-genes-in-galeruca-daurica-coleoptera-chrysomelidae-and-analysis-of-their-expression-profiles
#4
L Li, Y-T Zhou, Y Tan, X-R Zhou, B-P Pang
Odorant-binding proteins (OBPs) play a fundamental role in insect olfaction. In recent years, Galeruca daurica (Joannis) (Coleoptera: Chrysomelidae) has become one of the most important insect pests in the Inner Mongolian grasslands of China. This pest only feeds on the species of Allium plants, implying the central role of olfaction in its search for specific host plants. However, the olfaction-related proteins have not been investigated in this beetle. In this study, we identified 29 putative OBP genes, namely GdauOBP1-29, from the transcriptome database of G...
April 20, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28416024/polymorphism-in-male-genitalia-of-aedes-ochlerotatus-scapularis-rondani-1848
#5
V Petersen, F Virginio, L Suesdek
Morphology of male genitalia of culicids is generally species-specific and often used as a taxonomic marker. However, some characters of the male genitalia vary intraspecifically and are not taxonomically diagnostic. This might be the case of Aedes scapularis, a Neotropical culicid with vector competence for arboviruses and filarial worms. Males of this species may or not present a retrorse process (RP) in the genitalic claspette filaments, which led authors to suspect that this variance might be indicative of population divergence or incipient speciation process...
April 18, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28397642/effect-of-plant-development-age-and-size-on-the-mi-1-mediated-resistance-of-tomato-to-whitefly-bemisia-tabaci
#6
C I Rodríguez-Álvarez, M Muñiz, G Nombela
Whitefly, Bemisia tabaci, is one of the most important pests of tomato, Solanum lycopersicum L. The Mi-1 gene mediates tomato resistance to the Middle East-Asia Minor 1 (MEAM1) and Mediterranean (MED) species of B. tabaci, three species of root-knot nematodes, Meloidogyne spp., and the potato aphid, Macrosiphum euphorbiae. Tomato seedlings bearing the Mi-1 gene are resistant to nematodes soon after germination but resistance to aphids is developmentally regulated; a reliable conclusion about Mi-1 resistance to B...
April 11, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28397638/number-of-attacks-by-trichogramma-dendrolimi-hymenoptera-trichogrammatidae-affects-the-successful-parasitism-of-ostrinia-furnacalis-lepidoptera-crambidae-eggs
#7
J Huang, H-Q Hua, L-Y Wang, F Zhang, Y-X Li
In laboratories, the parasitism rate of Ostrinia furnacalis (Güenée) (Lepidoptera: Crambidae) eggs by Trichogramma dendrolimi Matsumura (Hymenoptera: Trichogrammatidae) is low; however, efforts to control O. furnacalis with T. dendrolimi in the field have been successful. In this study, the effects of the number of attacks by T. dendrolimi against O. furnacalis eggs and diet of O. furnacalis larva on wasp development were investigated. The results indicated that more attacks increased significantly not only the successful parasitism rate of O...
April 11, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28397625/reproductive-biology-of-the-great-capricorn-beetle-cerambyx-cerdo-coleoptera-cerambycidae-a-protected-but-occasionally-harmful-species
#8
L M Torres-Vila
Cerambyx cerdo (Cc) is a protected saproxylic beetle in Europe, although it is increasingly reported as an oak 'pest'. Cc ecological features are relatively well known, but, its reproductive biology is still poorly understood. Hence, we investigated the reproductive traits of Cc under laboratory conditions. In females, body length was 44.1 ± 0.9 mm, 28-53 (mean ± SE, range); fecundity 143 ± 11 eggs, 33-347; fertility 78 ± 1%, 65-93; oviposition period 44 ± 3 days, 13-128 and longevity 59 ± 5 days, 16-157...
April 11, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28390443/development-and-characterization-of-polymorphic-genomic-ssr-markers-in-asian-long-horned-beetle-anoplophora-glabripennis
#9
Zhaoyang Liu, Jing Tao, Youqing Luo
The Asian long-horned beetle (ALB), Anoplophora glabripennis (Motschulsky) (Coleoptera: Cerambycidae: Lamiinae), is a wood-borer and polyphagous xylophage that is native to Asia. It infests and seriously harms healthy trees, and therefore is a cause for considerable environmental concern. The analysis of population genetic structure of ALB and sibling species Anoplophora nobilis (Ganglbauer) will not only help to clarify the relationship between environmental variables and mechanisms of speciation, but also will enhance our understanding of evolutionary processes...
April 9, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28382882/mating-system-mate-choice-and-parental-care-in-a-bark-beetle
#10
O Baruch, Z Mendel, I Scharf, A R Harari
The cypress bark beetle, Phloeosinus armatus, is a common element of the dying cypress tree system in East-Mediterranean countries. Adult beetles congregate for breeding on this ephemeral resource. We studied three traits that characterize this beetle's sexual behavior and linked them to its reproductive success: mating system, mate choice, and parental care. We found that the females are the 'pioneering sex', excavating the mating chamber. The average female is slightly larger than the male, and female and male body size is correlated, demonstrating size-assortative mating...
April 6, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28382881/effects-of-superparasitism-on-immature-and-adult-stages-of-diachasmimorpha-longicaudata-ashmead-hymenoptera-braconidae-reared-on-ceratitis-capitata-wiedemann-diptera-tephritidae
#11
F Devescovi, G E Bachmann, A L Nussenbaum, M M Viscarret, J L Cladera, D F Segura
The optimal use of available host by parasitoid insects should be favoured by natural selection. For solitary parasitoids, superparasitism (i.e. the egg-laying of several eggs/host) may represent a detrimental phenomenon both in a biological and an applied sense, but under certain circumstances it may be adaptive. Here, we studied the effects of increasing levels of superparasitism (LSPs, number of parasitoid larvae/host) on fitness-related parameters of the immature and adult stages of Diachasmimorpha longicaudata, a solitary endoparasitoid parasitizing Ceratitis capitata...
April 6, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28382878/quality-control-of-telenomus-remus-hymenoptera-platygastridae-reared-on-the-factitious-host-corcyra-cephalonica-lepidoptera-pyralidae-for-successive-generations
#12
A P Queiroz, A de Freitas Bueno, A Pomari-Fernandes, M L M Grande, O C Bortolotto, D M da Silva
Egg parasitoid rearing on factitious hosts is an important step to reduce costs and increase availability of the biocontrol agent but it requires quality control to achieve success in field conditions. To this end, this study evaluated the quality of Telenomus remus (Hymenoptera: Platygastridae) reared on Corcyra cephalonica (Lepidoptera: Pyralidae) for until 45 generations. In the first bioassay, we evaluated the body size of the laboratory-produced parasitoids. In the second bioassay, flight activity was examined, measuring the percentage of 'flyers', 'walkers' and 'deformed' parasitoids...
April 6, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28330519/insecticidal-effects-of-extracts-of-humulus-lupulus-hops-l-cones-and-its-principal-component-xanthohumol
#13
T Aydin, N Bayrak, E Baran, A Cakir
Insecticidal effects of the dichloromethane, ethyl acetate, acetone, ethanol and methanol extracts of Humulus lupulus (hops) L. cones and its principal components, xanthohumol was investigated on five stored pests, Sitophilus granarius (L.), Sitophilus oryzae (L.), Acanthoscelides obtectus (Say.), Tribolium castaneum (Herbst) and Lasioderma serricorne (F.). The mortality of adults of the insects treated with 2, 5, 5, 10 and 20 mg ml̠-1 concentrations of the extracts and xanthuhumol was counted after 24, 48, 72, 96 and 120 h...
March 23, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28325169/a-new-substitute-host-and-its-effects-on-some-biological-properties-of-ooencyrtus-kuvanae
#14
Hilal Tunca, Marine Venard, Etty-Ambre Colombel, Elisabeth Tabone
Lymantia dispar (L.) (Lepidoptera: Lymantriidae), commonly known as the gypsy moth, is a serious forest pest, and beneficial insects are particularly important for reducing its population numbers. Ooencyrtus kuvanae (Howard) (Hymenoptera: Encyrtidae) is an arrhenotokous, solitary egg parasitoid of L. dispar. In this study, we evaluated a new substitute host, Philosamia ricini (Danovan) (Lepidoptera: Saturniidae) for O. kuvanae. We investigated some of the biological effects of O. kuvanae on P. ricini eggs. In this context, the importance of the age of the female parasitoid (1, 3 or 5 days old), host age (1-2 and 3-4 days old) and host number (40, 60 and 80 host eggs) were examined under laboratory conditions (25 ± 1 °C, 65 ± 5% relative humidity and a 16 : 8 h photoperiod [light : dark])...
March 22, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28316286/brassica-aphid-hemiptera-aphididae-populations-are-conditioned-by-climatic-variables-and-parasitism-level-a-study-case-of-tri%C3%A3-ngulo-mineiro-brazil
#15
M V Sampaio, A P Korndörfer, J Pujade-Villar, J E A Hubaide, S E Ferreira, S O Arantes, D M Bortoletto, C M Guimarães, J A Sánchez-Espigares, B Caballero-López
Cosmopolitan pests such as Brevicoryne brassicae, Lipaphis pseudobrassicae, and Myzus persicae (Aphididae) cause significant damage to Brassicaceae crops. Assessment of the important biotic and abiotic factors that regulate these pests is an essential step in the development of effective Integrated Pest Management programs for these aphids. This study evaluated the influence of leaf position, precipitation, temperature, and parasitism on populations of L. pseudobrassicae, M. persicae, and B. brassicae in collard greens fields in the Triângulo Mineiro region (Minas Gerais state), Brazil...
March 20, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28290260/feeding-performance-and-life-table-parameters-of-khapra-beetle-trogoderma-granarium-everts-coleoptera-dermestidae-on-various-barley-cultivars
#16
A Golizadeh, Z Abedi
The Khapra beetle, Trogoderma granarium Everts (Coleoptera: Dermestidae), is a common pest of cereal grains and other stored products. In this study, the effects of ten barley cultivars (Abidar, Bahman, Line20, Line22, Line30, Lisuei, Lokht11, Makuyi, Sahand, and Sahraa) were evaluated on life table parameters and nutritional indices of T. granarium under the following laboratory conditions: 33 ± 1°C, 60 ± 5% RH, and a photoperiod of 14: 10 (L: D) h. Life history parameters of T. granarium could be appropriate indices in resistance and susceptibility evaluation of barley cultivars...
March 14, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28290255/feeding-by-leucopis-argenticollis-and-leucopis-piniperda-diptera-chamaemyiidae-from-the-western-usa-on-adelges-tsugae-hemiptera-adelgidae-in-the-eastern-usa
#17
K Motley, N P Havill, A L Arsenault-Benoit, A E Mayfield, D S Ott, D Ross, M C Whitmore, K F Wallin
Leucopis argenticollis (Zetterstedt) and Leucopis piniperda (Malloch) are known to feed on the lineage of Adelges tsugae Annand that is native to western North America, but it is not known if they will survive on the lineage that was introduced from Japan to the eastern USA. In 2014, western Leucopis spp. larvae were brought to the laboratory and placed on A. tsugae collected in either Washington (North American A. tsugae lineage) or Connecticut (Japanese lineage). There were no significant differences in survival or developmental times between flies reared on the two different adelgid lineages...
March 14, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28274282/flight-performance-of-macdunnoughia-crassisigna-lepidoptera-noctuidae
#18
X-W Fu, H Chang, L-M He, S-Y Zhao, K-M Wu
Macdunnoughia crassisigna Warren (Lepidoptera: Noctuidae) is a highly destructive herbivore that poses a serious risk to cotton, maize, soybean, and cruciferous vegetables in East Asia. Examining the effects of various biotic and abiotic factors on the flight performance of M. crassisigna is crucial for a better understanding of its trans-regional migration. In this study, the flight activity of M. crassisignai moths of different ages, under different temperatures and relative humidity (RH) levels, was evaluated by tethering individuals to computerized flight mills for a 24-h trial period...
March 9, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28264734/functional-sensorial-complementation-during-host-orientation-in-an-asilidae-parasitoid-larva
#19
J M Pueyrredon, J E Crespo, M K Castelo
Changes in environmental conditions influence the performance of organisms in every aspect of their life. Being capable of accurately sensing these changes allow organisms to better adapt. The detection of environmental conditions involves different sensory modalities. There are many studies on the morphology of different sensory structures but not so many studies showing their function. Here we studied the morphology of different sensory structures in the larva of a dipteran parasitoid. We occluded the putative sensory structures coupling the morphology with their function...
March 7, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28249637/effects-of-seasonality-on-drosophilids-insecta-diptera-in-the-northern-part-of-the-atlantic-forest-brazil
#20
R D Coutinho-Silva, M A Montes, G F Oliveira, F G de Carvalho-Neto, C Rohde, A C L Garcia
Seasonality is an important aspect associated with population dynamic and structure of tropical insect assemblages. This study evaluated the effects of seasonality on abundance, richness, diversity and composition of an insect group, drosophilids, including species native to the Neotropical region and exotic ones. Three preserved fragments of the northern Atlantic Forest were surveyed, where temperatures are above 20 °C throughout the year and rainfall regimes define two seasons (dry and rainy). As opposed to other studies about arthropods in tropical regions, we observed that abundance of drosophilids was significantly higher in the dry season, possibly due to biological aspects and the colonization strategy adopted by the exotic species in these environments...
March 2, 2017: Bulletin of Entomological Research
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