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Journal of Economic Entomology

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https://www.readbyqxmd.com/read/28637212/survival-and-feeding-rates-of-four-aphid-species-hemiptera-aphididae-on-various-sucrose-concentrations-in-diets
#1
Gary J Puterka, Scott J Nicholson, W R Cooper
Different concentrations of sucrose were used to investigate how survival and feeding was affected in four species of aphids (Hemiptera: Aphididae). Seven sucrose concentrations were evaluated in feeding chambers fitted with parafilm membranes and infested with nymphs of Aphis glycines Matsumura, Diuraphis noxia Kurdjumov, Myzus persicae Sulzer, or Schizaphis graminum Rondani at 25 °C and a photoperiod of 14:10 (L:D) h. Survival on each diet was recorded 1, 3, 5, 7, 9, and 11 d. Diet volumes (μl) consumed and amounts of honeydew produced were then determined...
June 20, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28637211/optimization-of-pheromone-traps-for-coryphodema-tristis-lepidoptera-cossidae
#2
Marc Clement Bouwer, Bernard Slippers, Michael John Wingfield, Jeremy Dean Allison, Egmont Richard Rohwer
The Coryphodema tristis (Drury) is an important pest of Eucalyptus nitens (Deane and Maiden) plantations in South Africa. The gregarious larvae of this pest cause damage by feeding on the tree sapwood, and adults emerge in spring each year. The aim of this study was to optimize pheromone traps for operational use in management programs. This was achieved by investigating different pheromone blend combinations and trap types for efficacy under field conditions. Our results confirm that the cross vane bucket funnel trap baited with a 95:2...
June 19, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28605511/identification-of-potential-helicoverpa-armigera-lepidoptera-noctuidae-sterol-carrier-protein-2-inhibitors-through-high-throughput-virtual-screening
#3
Jun Cai, Xinkai Du, Changgao Wang, Jianguo Lin, Xin Du
Helicoverpa armigera sterol carrier protein-2 (HaSCP-2) is a validated target for development of novel insecticides due to its divergent protein structure and function from the vertebrate SCP-2. HaSCP-2 is important for normal development and fertility in Helicoverpa armigera (Hübner). The discovery of chemical inhibitors of HaSCP-2 through a structure-based virtual screening is reported here. Bioassay indicated that H1 and H14 had inhibitory effect on the growth of H. armigera larvae. The results suggest that H1 and H14 are promising as useful lead compounds for further optimization and development of novel SCP-2-specific pesticides...
June 12, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28605564/foraging-distance-and-population-size-of-juvenile-colonies-of-the-formosan-subterranean-termite-isoptera-rhinotermitidae-in-laboratory-extended-arenas
#4
Nan-Yao Su, Weste Osbrink, Garima Kakkar, Aaron Mullins, Thomas Chouvenc
The relationship between colony size and foraging distance was examined in extended foraging arenas with juvenile colonies of the Formosan subterranean termite, Coptotermes formosanus Shiraki. Our results showed that as long as royal pairs are present, larger colonies foraged at longer distances, and the oldest workers distributed farther away from the central nest. The results agree with the scaling model that predicts a large foraging range for animals of larger body size. An analysis of published data from population survey studies and field trials of bait toxicants showed that field colonies of the eastern subterranean termite, Reticulitermes flavipes (Kollar), follow the scaling model, while C...
June 9, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28605547/biological-traits-of-cadra-cautella-lepidoptera-pyralidae-reared-on-khodari-date-fruits-under-different-temperature-regimes
#5
Mureed Husain, Waleed S Alwaneen, Khalid Mehmood, Khawaja Ghulam Rasool, Muhammad Tufail, Abdulrahman Saad Aldawood
The almond moth, Cadra cautella (Walker) (Lepidoptera: Pyralidae), is a serious worldwide pest of dates and other crops, both in the field and in storage. Infestation by this pest significantly limits the sale and export of dates. Modified atmospheres, the temperature manipulations, are the best eco-friendly alternatives in stored product protection. We examined temperature regulation as an ecologically friendly method of pest management in stored food commodities, in particular, its effects on characteristics of C...
June 9, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28591812/corrigendum
#6
(no author information available yet)
No abstract text is available yet for this article.
June 7, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28575468/evaluation-of-lure-combinations-containing-essential-oils-and-volatile-spiroketals-for-detection-of-host-seeking-xyleborus-glabratus-coleoptera-curculionidae-scolytinae
#7
D Owens, Wayne S Montgomery, Teresa I Narvaez, Mark A Deyrup, Paul E Kendra
The invasive redbay ambrosia beetle, Xyleborus glabratus Eichhoff (Coleoptera: Curculionidae: Scolytinae), vectors the fungal pathogen (Raffaelea lauricola) that causes laurel wilt, a disease responsible for widespread mortality of trees in the Lauraceae in the southeastern United States. Early detection of incipient vector populations may allow for management practices that could successfully mitigate damage. Developing new, highly effective attractants is a priority for improving sensitivity of early detection efforts...
June 1, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28575326/two-pests-overlap-drosophila-suzukii-diptera-drosophilidae-use-of-fruit-exposed-to-halyomorpha-halys-hemiptera-pentatomidae
#8
J Megan Woltz, Nik G Wiman, Jana C Lee
Drosophila suzukii (Matsumura) (Diptera: Drosophilidae) and brown marmorated stink bug, Halyomorpha halys (Stål) (Hemiptera: Pentatomidae), are global economic pests that may co-occur on small fruits. We investigated whether fruit recently exposed to H. halys affected subsequent host use by D. suzukii. Laboratory no-choice and choice tests presented D. suzukii with H. halys-fed and unfed raspberries and blueberries immediately or 3 d after H. halys feeding. Resulting D. suzukii eggs, or larvae and pupae, were counted...
May 29, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28549185/visibility-and-persistence-of-marker-dyes-and-effect-on-the-quality-and-mating-competitiveness-of-mass-reared-flies-diptera-tephritidae-anastrepha-obliqua-and-bisexual-and-genetic-sexing-tapachula-7-strains-of-a-ludens
#9
José Arredondo, Lia Ruiz, Gladis López, Francisco Díaz-Fleischer
Fluorescent dyes are commonly used in the sterile insect technique (SIT) for marking insects for a proper identification after recapture. However, the quality of the mark must be balanced against insect performance, because dyes can negatively affect some parameters of insect performance and reduce their effectiveness in control with the SIT. We determined the visibility and persistence and the effect of dyes on the quality of Anastrepha obliqua (Macquart) and Anastrepha ludens (Loew) (bisexual and genetic sexing strains) by testing four concentrations of a dye (Day-Glo) from 0 to 2...
May 26, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28541568/effect-of-feeding-history-and-time-elapsed-from-field-collection-on-the-movement-behavior-and-response-to-stimulation-in-cimex-lectularius-hemiptera-cimicidae
#10
Desen Wang, Changlu Wang, Narinderpal Singh, Amanda L Eiden, Richard Cooper, Chen Zha
The common bed bug (Cimex lectularius L.) (Hemiptera: Cimicidae) is an obligate blood-sucking insect that has been resurging in many countries. Researching this pest's behavior will help design more effective control methods. In this study, we evaluated the effect of feeding history and time elapsed from field collection on bed bug movement behavior and response to chemical lure or carbon dioxide stimulation in the laboratory. After CO2 was released, bed bugs unfed for 3 d began to return to harborages; in contrast, the ones unfed for 2 and 4 wk spent significantly more time outside their harborages during the first 1 h after than the 1 h before CO2 release...
May 25, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28541553/occurrence-of-15-haplotypes-of-linepithema-micans-hymenoptera-formicidae-in-southern-brazil
#11
Manuela Oliveira Ramalho, C Martins, T Campos, A Nondillo, M Botton, O C Bueno
The ant genus Linepithema is widely known, thanks to the pest species Linepithema humile (Mayr), which is easily mistaken for Linepithema micans (Forel) due to their morphological similarity. Like L. humile, L. micans is associated to the main grapevine pest in Brazil, Eurhizococcus brasiliensis (Wille), also known as ground pearl. Therefore, the present study uses mtDNA fragments to expand the knowledge of haplotype diversity and distribution of L. micans in the state of Rio Grande do Sul (Brazil), to understand the genetic differences of the populations identified in this study...
May 25, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28541548/unidirectional-cross-resistance-in-german-cockroach-blattodea-blattellidae-populations-under-exposure-to-insecticidal-baits
#12
Dangsheng Liang, Jade McGill, Jose E Pietri
Insect pests, including the German cockroach, Blattella germanica (L.), are prone to the development of physiological resistance when exposed to a number of insecticide sprays, and cross-resistance is frequently observed. Toxic baits are often used as a primary method of controlling German cockroaches, also resulting in heavy selection pressure from insecticidal baits. In response to this pressure, cockroach populations have developed aversion to specific inert ingredients in bait. Here, we examined the effect of exposure to baits containing fipronil, indoxacarb, or hydramethylnon on the development of physiological resistance to the same and other insecticides in a number of German cockroach strains...
May 24, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28541540/reproductive-status-of-drosophila-suzukii-diptera-drosophilidae-females-influences-attraction-to-fermentation-based-baits-and-ripe-fruits
#13
Katharine A Swoboda-Bhattarai, Douglas R McPhie, Hannah J Burrack
Drosophila suzukii (Matsumura) is an invasive species that is a devastating pest of soft-skinned fruit crops. Although much effort has been directed toward developing traps and attractants to monitor for D. suzukii, current monitoring tools do not reliably predict fruit infestation. The objective of this study was to determine if D. suzukii females at different developmental stages are differentially attracted to monitoring traps with fermentation-based baits and ripe fruits. Females were collected on the surface of traps, within traps, and on ripe fruits during three experiments at field locations in North Carolina, USA, and were dissected to determine their reproductive status...
May 24, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28541530/population-projection-and-development-of-the-mythimna-loreyi-lepidoptera-noctuidae-as-affected-by-temperature-application-of-an-age-stage-two-sex-life-table
#14
Jianyang Qin, Lei Zhang, Yueqiu Liu, Thomas W Sappington, Yunxia Cheng, Lizhi Luo, Xingfu Jiang
The Mythimna (=Leucania) loreyi (Duponchel) has recently emerged as a major pest of grain crops in China. Little is known about its basic biology and ecology, making it difficult to predict its population dynamics. An age-stage, two-sex life table was constructed for this insect when reared on maize in the laboratory at five constant temperatures (18, 21, 24, 27, and 30 °C). Both the intrinsic rate of increase (r) and finite rate increase (λ) increased as temperature significantly increased and mean generation time (T) decreased significantly with increasing temperature...
May 24, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28541523/attraction-of-the-euwallacea-sp-near-fornicatus-coleoptera-curculionidae-to-quercivorol-and-to-infestations-in-avocado
#15
John A Byers, Yonatan Maoz, Anat Levi-Zada
The Euwallacea sp. near fornicatus (Euwallacea sp. 1 hereafter) feeds on many woody shrubs and trees and is a pest of avocado, Persea americana Mill., in several countries including Israel and the United States. Quercivorol baits are commercially available for Euwallacea sp. 1 females (males do not fly), but their attractive strength compared to other pheromones and potential for mass trapping are unknown. We used sticky traps baited with quercivorol released at 0.126 mg/d (1×) and at 0.01×, 0.1×, and 10× relative rates to obtain a dose-response curve of Euwallacea sp...
May 24, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28535305/preservation-of-domesticated-honey-bee-hymenoptera-apidae-drone-semen
#16
M Paillard, A Rousseau, P Giovenazzo, J L Bailey
Preservation of honey bee (Apis mellifera L., Hymenoptera: Apidae) sperm, coupled with instrumental insemination, is an effective strategy to protect the species and their genetic diversity. Our overall objective is to develop a method of drone semen preservation; therefore, two experiments were conducted. Hypothesis 1 was that cryopreservation (-196 °C) of drone semen is more effective for long-term storage than at 16 °C. Our results show that after 1 yr of storage, frozen sperm viability was higher than at 16 °C, showing that cryopreservation is necessary to conserve semen...
May 23, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28535300/magnitude-and-allele-frequency-of-cry1f-resistance-in-field-populations-of-the-fall-armyworm-lepidoptera-noctuidae-in-brazil
#17
O F Santos-Amaya, C S Tavares, J V C Rodrigues, T C Souza, N Rodrigues-Silva, R N C Guedes, A P Alves, E J G Pereira
Bacillus thuringiensis (Bt) corn producing the Cry1F protein was the first highly efficacious Bt corn deployed against the fall armyworm Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) in Brazil, but reduced efficacy of this technology against the fall armyworm has been reported in some regions of the country. Here, we surveyed Cry1F resistance allele frequency and susceptibility of eight S. frugiperda populations collected in 2013 from non-Bt fields in different regions of Brazil. In F1 screen experiments, the overall frequency of the Cry1F resistance alleles in Brazilian populations was estimated at 0...
May 23, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28535247/physical-and-physiological-factors-influence-behavioral-responses-of-cochliomyia-macellaria-diptera-calliphoridae-to-synthetic-attractants
#18
M F Chaudhury, J J Zhu, S R Skoda
Volatile chemicals from waste artificial larval media as well as from bovine blood inoculated with bacteria isolated from screwworm-infested wounds attract gravid females of Cochliomyia hominivorax Coquerel and Cochliomyia macellaria (F.). Chemicals identified from volatiles are dimethyl disulfide, dimethyl trisulfide, phenol, p-cresol, and indole; a blend of these attracted females to oviposit. Present studies investigated the effectiveness of these compounds, either in a blend or individually as potential oviposition attractants...
May 23, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28535207/antheraea-pernyi-lepidoptera-saturniidae-and-its-importance-in-sericulture-food-consumption-and-traditional-chinese-medicine
#19
Wenli Li, Zhengyao Zhang, Lan Lin, Olle Terenius
Sericulture was developed in China in ancient times. Antheraea pernyi Guérin-Méneville was domesticated at least 2,000 yr ago, and Chinese farmers developed artificial rearing of A. pernyi before the 17th century. Today, >60,000 tons of cocoons are produced in China each year, which accounts for 90% of the world production. Despite the widespread utilization of A. pernyi in China and a long history of domestic research, the knowledge of A. pernyi outside China is limited. Therefore, we have in this paper summarized the production, usage, and breeding of A...
May 23, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28535197/feeding-and-development-of-emerald-ash-borer-coleoptera-buprestidae-on-cultivated-olive-olea-europaea
#20
Don Cipollini, Chad M Rigsby, Donnie L Peterson
We examined the suitability of cultivated olive, Olea europaea L., as a host for emerald ash borer, Agrilus planipennis Fairmaire. In a bioassay using cut stems from a field-grown olive tree (cv. 'Manzanilla') we found that 45% of larvae that had emerged from eggs used to inoculate stems, were recovered alive, many as larvae or prepupae, during periodic debarking of a subset of stems. Three intact stems that 19 larvae successfully entered were exposed to a simulated overwintering treatment. Four live adults emerged afterwards, and an additional pupa and several prepupae were discovered after debarking these stems...
May 23, 2017: Journal of Economic Entomology
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