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Journal of Economic Entomology

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https://www.readbyqxmd.com/read/28108505/comparative-transcriptomics-of-buzura-suppressaria-lepidoptera-geometridae-assembled-de-novo-yield-insights-into-response-after-buzura-suppressaria-nuclear-polyhedrosis-virus-infection
#1
Ji Luo, Yating Zhong, Jiyu Zhu, Guoying Zhou, Huayan Huang, Yaojun Wu
Buzura suppressaria Guenee (Lepidoptera: Geometridae) is a defoliator that seriously harms eucalyptus trees in South China. Buzura suppressaria nuclear polyhedrosis virus (BsNPV) is a baculovirus that infects B. suppressaria with high specificity and efficiency. Transcriptomes of B. suppressaria were sequenced before and after BsNPV infection using an Illumina-based platform to probe for differentially expressed genes (DEGs) of B. suppressaria after viral infection. On average, ∼57.4 million high-quality clean reads were generated and assembled de novo into 69,761 unigenes...
January 20, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28087646/wheat-genotypes-with-combined-resistance-to-wheat-curl-mite-wheat-streak-mosaic-virus-wheat-mosaic-virus-and-triticum-mosaic-virus
#2
Wen-Po Chuang, Lina Maria Aguirre Rojas, Luaay Kahtan Khalaf, Guorong Zhang, Allan K Fritz, Anna E Whitfield, C Michael Smith
The wheat curl mite, Aceria tosichella Keifer, (WCM) is a global pest of bread wheat that reduces yields significantly. In addition, WCM carries Wheat streak mosaic virus (WSMV, family Potyviridae, genus Tritimovirus), the most significant wheat virus in North America; High Plains wheat mosaic virus (HPWMoV, genus Emaravirus, formerly High plains virus); and Triticum mosaic virus (TriMV, family Potyviridae, genus Poacevirus). Viruses carried by WCM have reduced wheat yields throughout the U.S. Great Plains for >50 yr, with average yield losses of 2-3% and occasional yield losses of 7-10%...
January 13, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28087647/an-additional-phytosanitary-cold-treatment-against-ceratitis-capitata-diptera-tephritidae-in-oroblanco-citrus-fruit
#3
Yoav Gazit, Roy Kaspi
For 'Oroblanco' ('Sweetie'), the sweet seedless pummelo-grapefruit hybrid, when exported from Israel to Japan, the standard cold treatment against Ceratitis capitata (Wied.) (Diptera: Tephritidae) is conducted at ≤ 1.5 °C, for 16 d. In recent years, the transportation means of exported citrus was changed from reefer vessels to individual refrigerated containers, where the fruit bulk is relatively small and may be exposed to temperature fluctuations and to the risk of chilling injuries. To reduce this risk, Israel proposed to Japan to increase the treatment temperature and extend its duration to 2...
January 12, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28073981/effect-of-resin-ducts-and-sap-content-on-infestation-and-development-of-immature-stages-of-anastrepha-obliqua-and-anastrepha-ludens-diptera-tephritidae-in-four-mango-sapindales-anacardiaceae-cultivars
#4
Larissa Guillén, Ricardo Adaime, Andrea Birke, Olinda Velázquez, Guillermo Angeles, Fernando Ortega, Eliel Ruíz, Martín Aluja
We determined the influence of resin ducts, sap content, and fruit physicochemical features of four mango cultivars (Criollo, Manila, Ataulfo, and Tommy Atkins) on their susceptibility to the attack of the two most pestiferous fruit fly species infesting mangoes in Mexico: Anastrepha ludens (Loew) and Anastrepha obliqua (Macquart). We performed three studies: 1) analysis of resin ducts in mango fruit exocarp to determine the density and area occupied by resin ducts in each mango cultivar, 2) assessment of mango physicochemical features including fruit sap content, and 3) a forced infestation trial under field conditions using enclosed fruit-bearing branches to expose mangoes to gravid A...
January 10, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28073980/presence-and-prevalence-of-raffaelea-lauricola-cause-of-laurel-wilt-in-different-species-of-ambrosia-beetle-in-florida-usa
#5
Randy C Ploetz, Joshua L Konkol, Teresa Narvaez, Rita E Duncan, Ramon J Saucedo, Alina Campbell, Julio Mantilla, Daniel Carrillo, Paul E Kendra
We summarize the information available on ambrosia beetle species that have been associated in Florida with Raffaelea lauricola T.C. Harr., Fraedrich & Aghayeva, the primary symbiont of Xyleborus glabratus Eichhoff and cause of laurel wilt. In total, 14 species in Ambrosiodmus, Euwallacea, Premnobius, Xyleborus, Xyleborinus, and Xylosandrus were either reared from laurel wilt-affected host trees or trapped in laurel wilt-affected stands of the same, and assayed for R. lauricola In six collections from native species in the southeastern United States [Persea borbonia (L...
January 10, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28073979/effect-of-the-presence-of-live-or-dead-insects-on-subsequent-captures-of-six-stored-product-beetle-species-the-relative-species-matters
#6
Christos G Athanassiou, Nickolas G Kavallieratos, James F Campbell
In trapping programs prior capture of individuals of the same or different species may influence subsequent attractiveness of the trap. To evaluate this process with stored-product insects, the effect of the presence of dead or alive adults in traps on the behavioral responses of six stored-product insect species, Tribolium confusum Jacquelin du Val, T. castaneum (Herbst) (Coleoptera: Tenebrionidae), Sitophilus oryzae (L.), S. granarius (L.) (Coleoptera: Curculionidae), Oryzaephilus surinamensis (L.) and O...
January 10, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28073978/effects-of-bt-corn-and-egg-density-on-western-corn-rootworm-coleoptera-chrysomelidae-adult-emergence-and-estimation-of-effective-bt-dose
#7
L A Campbell, P L Prasifka, N P Storer, D M Rule, W H Hendrix
Since 2003, rootworm-protected transgenic corn has been commercially deployed in the United States as a principal method of control of western corn rootworm, Diabrotica virgifera virgifera LeConte. Durability of this technology depends partly on larval mortality ("dose") exerted by the traits, but density-dependent mortality can confound calculations of dose. Research reported here examined the effects of density-dependent mortality on adult emergence and estimates of trait dose. At sites in Illinois and Indiana, western corn rootworm eggs were infested at four densities on non-Bt corn and at a single density on corn hybrids with transgenic events MON 88017 (VT Triple PRO), DAS-59122-7 (Herculex Insect Protection), and MON 88017 × DAS-59122-7 (SmartStax corn)...
January 10, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28073977/the-effects-of-a-modified-hot-water-treatment-on-anastrepha-ludens-diptera-tephritidae-infested-mango
#8
Emilio Hernández, Marysol Aceituno-Medina, Jorge Toledo, Bigail Bravo, José Caro-Corrales, Pablo Montoya, Robert Mangan
The Mexican fruit fly, Anastrepha ludens (Loew), is a quarantine pest in mango (Mangifera indica L.) that can be controlled by using a hot water treatment (HWT). This treatment is normally followed by a 30-min hydrocooling (HYC) process that reduces the negative effects that the treatment has on fruit quality. However, if hot water-treated fruits are immediately immersed in water at 21 °C, the survival rate of third-instar A. ludens may be increased. The current approved treatment protocol states that if HYC is used, then treated fruit should undergo an additional 10-min HWT or on platform for 30 min before HYC...
January 10, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28073976/effects-of-carriers-emulsifiers-and-biopesticides-for-direct-silk-treatments-on-caterpillar-feeding-damage-and-ear-development-in-sweet-corn
#9
P J Westgate, B B Schultz, R V Hazzard
In the northeastern United States, control of Lepidopteran pests of sweet corn, particularly corn earworm [Helicoverpa zea (Boddie)], is difficult using organic methods. The direct application of corn oil and Bacillus thuringiensis (Bt) to corn silk has been shown to reduce ear damage from corn earworm in past studies; these studies sought to optimize this method by evaluating additional carrier and biopesticide mixtures that comply with the United States Federal Insecticide, Fungicide, and Rodenticide Act and National Organic Standards...
January 10, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28073975/modeling-environmental-influences-in-the-psyllaephagus-bliteus-hymenoptera-encyrtidae-glycaspis-brimblecombei-hemiptera-aphalaridae-parasitoid-host-system
#10
M Margiotta, S Bella, F Buffa, V Caleca, I Floris, V Giorno, G Lo Verde, C Rapisarda, R Sasso, P Suma, F Tortorici, S Laudonia
Glycaspis brimblecombei Moore (Hemiptera: Aphalaridae) is an invasive psyllid introduced into the Mediterranean area, where it affects several species of Eucalyptus Psyllaephagus bliteus Riek (Hymenoptera: Encyrtidae) is a specialized parasitoid of this psyllid that was accidentally introduced into Italy in 2011. We developed a model of this host-parasitoid system that accounts for the influence of environmental conditions on the G. brimblecombei population dynamics and P. bliteus parasitism rates in the natural ecosystem...
January 10, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28069631/pollination-reservoirs-in-lowbush-blueberry-ericales-ericaceae
#11
E M Venturini, F A Drummond, A K Hoshide, A C Dibble, L B Stack
Pollinator-dependent agriculture heavily relies upon a single pollinator-the honey bee. To diversify pollination strategies, growers are turning to alternatives. Densely planted reservoirs of pollen- and nectar-rich flowers (pollination reservoirs, hereafter "PRs") may improve pollination services provided by wild bees. Our focal agroecosystem, lowbush blueberry (Vaccinium angustifolium Aiton), exists in a simple landscape uniquely positioned to benefit from PRs. First, we contrast bee visitation rates and use of three types of PR...
January 9, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28062794/larvicidal-and-growth-inhibitory-activity-of-entomopathogenic-bacteria-culture-fluids-against-aedes-aegypti-diptera-culicidae
#12
João Luiz Rosa da Silva, Fernanda Undurraga Schwalm, Carlos Eugênio Silva, Marisa da Costa, Ralf Heermann, Onilda Santos da Silva
Dengue, Chikungunya, and Zika are important vector-borne diseases, and Aedes aegypti L. is their main transmitter. As the disease management is mainly based on mosquito control strategies, the search for alternative and cost-effective approaches is ongoing. The Gram-negative bacteria Xenorhabdus nematophila and Photorhabdus luminescens are symbiotically associated with entomopathogenic nematodes and are highly pathogenic for insect larvae. After we have recently confirmed the toxicity of these bacteria in Ae...
January 6, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28062793/self-and-conspecific-discrimination-between-unparasitized-and-parasitized-green-peach-aphid-hemiptera-aphididae-by-aphelinus-asychis-hymenoptera-aphelinidae
#13
Qifu Liang, Yujie Jia, Tongxian Liu
Aphelinus asychis Walker (Hymenoptera: Aphelinidae) is a solitary koinobiont endoparasitoid, which parasitizes the green peach aphid, Myzus persicae (Sulzer) (Hemiptera: Aphididae). Host discrimination is the ability of a parasitoid to distinguish between unparasitized and parasitized hosts, so parasitoids can avoid wasting eggs and time. We determined the influence of host density (5, 10, 15, 20, and 25 aphids per experienced parasitoid during a 24-h period) on egg distribution, and tested the effects of different time intervals (0, 24, 48, and 72 h) between successive ovipositions on host discrimination between unparasitized and self- or conspecific-parasitized aphids...
January 6, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28062792/biochemical-and-molecular-mechanisms-associated-with-the-resistance-of-the-european-corn-borer-lepidoptera-crambidae-to-lambda-cyhalothrin-and-first-monitoring-tool
#14
Myriam Siegwart, Jean-Baptiste Thibord, Jérôme Olivares, Céline Hirn, Jan Elias, Sandrine Maugin, Claire Lavigne
The European corn borer (Ostrinia nubilalis (Hübner)) is one of the most serious corn pest in Europe where it is controlled with pesticides, in particular, pyrethroids. First control failures with this chemical family occurred on the field in 2008 in the center of France, and the first resistance case was described in 2012. In the present study, we investigate resistance mechanisms involved in seven French populations of O. nubilalis collected in the field. Resistances to deltamethrin and lambda-cyhalothrin were confirmed, with a higher resistance ratio for lambda-cyhalothrin (63...
January 6, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28053210/monitoring-mexican-rice-borer-lepidoptera-crambidae-populations-in-sugarcane-and-rice-with-conventional-and-electronic-pheromone-traps
#15
B E Wilson, J M Beuzelin, M T VanWeelden, T E Reagan, M O Way
The Mexican rice borer, Eoreuma loftini (Dyar), is a major pest of sugarcane, Saccharum spp., rice, Oryza sativa L., and other graminaceous crops in Texas and Louisiana. The ability of conventional and electronic pheromone traps to monitor E. loftini in sugarcane and rice habitats was evaluated in two separate 2-yr field studies. Bucket traps baited with a synthetic female sex pheromone monitored E. loftini populations in commercial sugarcane fields in Calcasieu and Jefferson Davis Parishes throughout the 2014 and 2015 growing seasons...
January 4, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28053209/comparison-between-ground-ant-hymenoptera-formicidae-communities-foraging-in-the-straw-mulch-of-sugarcane-crops-and-in-the-leaf-litter-of-neighboring-forests
#16
N S Silva, L P Saad, D R Souza-Campana, O C Bueno, M S C Morini
In many sugarcane plantations in Brazil, the straw is left on the soil after harvesting, and vinasse, a by-product of the production of sugar and ethanol, is used for fertigation. Our goal was to compare ant community composition and species richness in the straw mulch of sugarcane crops with the leaf litter of neighboring forests. We tested the hypothesis that ant communities in the straw mulch of vinasse-irrigated sugarcane crops and in the forest leaf litter were similar, because the combination of straw mulching and vinasse irrigation has a positive effect on soil fauna...
January 4, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28053208/impacts-of-tillage-maturity-group-and-insecticide-use-on-megacopta-cribraria-hemiptera-plataspidae-populations-in-double-cropped-soybean
#17
Alejandro I Del Pozo-Valdivia, Dominic D Reisig, Jack S Bacheler
Megacopta cribraria (F.), also known as the kudzu bug, is a soybean pest in the United States, and it can cause up to a 60% yield reduction if not controlled. Insecticides are commonly used to manage this pest in commercial soybean fields. However, other soybean production practices may also affect kudzu bug populations. This study investigated the effect of soil tillage, maturity group selection, and insecticide use on kudzu bug densities in soybean. During 2012 and 2013, at two locations each year in North Carolina, four varieties of soybean maturity groups were planted in June into conventionally tilled plots and into plots with cereal crop residue under reduced tillage conditions (mimicking double-crop production)...
January 4, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28053207/dynamics-of-weight-change-and-temperature-of-apis-mellifera-hymenoptera-apidae-colonies-in-a-wintering-building-with-controlled-temperature
#18
E Stalidzans, A Zacepins, A Kviesis, V Brusbardis, J Meitalovs, L Paura, N Bulipopa, M Liepniece
Honey bee wintering in a wintering building (indoors) with controlled microclimate is used in some cold regions to minimize colony losses due to the hard weather conditions. The behavior and possible state of bee colonies in a dark room, isolated from natural environment during winter season, was studied by indirect temperature measurements to analyze the expression of their annual rhythm when it is not affected by ambient temperature, rain, snow, wind, and daylight. Thus, the observed behavior in the wintering building is initiated solely by bee colony internal processes...
January 4, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28040738/effect-of-simulated-anthonomus-signatus-coleoptera-curculionidae-injury-on-strawberries-fragaria-%C3%A3-ananassa-grown-in-southeastern-plasticulture-production
#19
Douglas McPhie, Hannah J Burrack
Female strawberry bud weevils (Anthonomus signatus Say) oviposit in developing flower buds of strawberries (Fragaria spp.), caneberries (Rubus spp.), and red bud (Cercis canadensis). After laying a single egg, weevils will girdle or "clip" the buds at the pedicel, killing the bud and preventing fruit development. This injury is of concern to commercial strawberry growers, who typically assume the loss of one clipped bud is the loss of one average sized fruit, causing the economic threshold to be set extremely low...
December 30, 2016: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28039428/can-the-use-of-trichogramma-ostriniae-hymenoptera-trichogrammatidae-to-control-ostrinia-nubilalis-lepidoptera-crambidae-be-economically-sustainable-for-processing-sweet-corn
#20
Annie-Ève Gagnon, Carolane Audette, Brigitte Duval, Josée Boisclair
European corn borer, Ostrinia nubilalis (Hübner) (Lepidoptera: Crambidae), is the main pest causing damage to sweet corn in North America. Conventional management with multiple use of insecticides is a common practice for processing sweet corn. In Canada, the use of Trichogramma spp. began in the 1990s, but the adoption of this approach for European corn borer management is still limited to the fresh market of sweet corn. Trichogramma ostriniae (Peng & Chen) has great potential as a biological control agent for large areas such as in processing sweet corn...
December 29, 2016: Journal of Economic Entomology
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