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Journal of Economic Entomology

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https://www.readbyqxmd.com/read/30239852/potential-of-co-fumigation-with-phosphine-ph3-and-sulfuryl-fluoride-so2f2-for-the-management-of-strongly-phosphine-resistant-insect-pests-of-stored-grain
#1
Rajeswaran Jagadeesan, Virgine T Singarayan, Kerri Chandra, Paul R Ebert, Manoj K Nayak
Resistance to phosphine (PH3) in key insect pests of stored grain is increasing, with a requirement for maintaining a dose as high as 1 mg l-1 for 14 d for effective fumigation, which is difficult to achieve under most commercial storage conditions. There is no suitable replacement for PH3, as most of the available alternatives suffer from specific weaknesses, creating an urgent need to increase the efficacy of this fumigant. One such possibility is co-fumigation of PH3 with another fumigant, sulfuryl fluoride (SO2F2-SF), with the goal of decreasing the time required for a successful fumigation...
September 17, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30239768/performance-of-the-black-soldier-fly-diptera-stratiomyidae-on-vegetable-residue-based-diets-formulated-based-on-protein-and-carbohydrate-contents
#2
Karol Barragán-Fonseca, Julián Pineda-Mejia, Marcel Dicke, Joop J A van Loon
The black soldier fly [Hermetia illucens L. (Diptera: Stratiomyidae)] can be sustainably reared on organic waste streams and thereby provide a novel animal protein source for animal feed. Black soldier fly's performance and body composition depend to a large extent on the nutrient composition of the waste stream. Black soldier fly larvae were fed on four diets consisting of vegetable by-products from the food industry. All four diets contained dried distiller's grains with solubles plus one or two other main ingredients; for diet 1 the additional ingredient was grape pulp; diet 2: potato peels; diet 3: bean seeds; and diet 4: cabbage leaves plus old bread...
September 17, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30219905/insight-into-the-salivary-secretome-of-varroa-destructor-and-salivary-toxicity-to-apis-cerana
#3
Yi Zhang, Richou Han
The Varroa destructor (Acari Varroidae) mite is a serious threat to honey bee due to hemolymph feeding and virus transmission. Mite salivary proteins are involved in these interactions. However, the salivary secretome has not been previously characterized. In this paper, the saliva of V. destructor was found to be toxic to the worker larvae of Apis cerana (Hymenoptera Apidae) in the absence of deformed wing virus (DWV) and to stimulate the development of deformed wings in Apis mellifera (Hymenoptera Apidae) adults in the presence of DWV...
September 14, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30212863/brood-affects-hygienic-behavior-in-the-honey-bee-hymenoptera-apidae
#4
Kaira M Wagoner, Marla Spivak, Olav Rueppell
Despite receiving much attention, the ectoparasitic mite Varroa destructor (Anderson and Trueman) and the pathogens it vectors remain critical threats to the health of the honey bee Apis mellifera (Linnaeus) (Hymenoptera: Apidae). One promising intervention approach is the breeding of hygienic honey bees, which have an improved ability to detect and remove unhealthy brood from the colony, and are thus more resistant to Varroa. While much hygienic behavior-related research has focused on enhanced adult honey bee olfaction, less attention has been paid to the olfactory signals that originate inside the brood cell, triggering hygienic removal...
September 13, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30203044/efficacy-and-phytotoxicity-of-phosphine-as-fumigants-for-frankliniella-occidentalis-thysanoptera-thripidae-on-asparagus
#5
Yejin Kyung, Hyun Kyung Kim, Jae Seon Lee, Bong-Su Kim, Jeong-Oh Yang, Byung-Ho Lee, Hyun-Na Koo, Gil-Hah Kim
The insecticidal activity of phosphine (PH3) and ethyl formate (EF) toward Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) and their phytotoxicity to asparagus were evaluated. Both the PH3 and EF fumigants showed higher lethal concentration and time (LCT) values at lower temperatures. The LCT99 values of PH3 and EF at 5°C in a 12 liters desiccator for 4 h showed the following ranking: eggs (64.69 mg·h/liter for PH3 and EF indicating phytotoxicity to asparagus), nymphs (5.54 and 17.48 mg·h/liter, respectively), and adults (3...
September 7, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30192952/effectiveness-of-boric-acid-by-ingestion-but-not-by-contact-against-the-common-bed-bug-hemiptera-cimicidae
#6
Angela Sierras, Ayako Wada-Katsumata, Coby Schal
Boric acid has been used as an insecticide in the successful control of agricultural, public health and urban pests long before the advent of synthetic organic pesticides. Boric acid products, formulated as dusts, sprays, granular baits, pastes, gels, and liquids, are widely available to consumers and pest management professionals, especially to control pest infestations within homes. Boric acid dust is commonly used against bed bugs (Cimex lectularius L. [Hemiptera: Cimicidae]), but its efficacy has not been demonstrated...
September 6, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30189100/comparison-of-six-artificial-diets-for-western-corn-rootworm-bioassays-and-rearing
#7
Lisa N Meihls, Man P Huynh, Dalton C Ludwick, Thomas A Coudron, B Wade French, Kent S Shelby, Andrea J Hitchon, Jocelyn L Smith, Art W Schaafsma, Adriano E Pereira, Bruce E Hibbard
The western corn rootworm, Diabrotica virgifera virgifera LeConte (Coleoptera: Chrysomelidae), is considered the most important maize (Zea mays L.) pest in the U.S. Corn Belt. Bioassays testing susceptibility to Bacillus thuringiensis Berliner (Bt) and other toxins of corn rootworm larvae often rely on artificial diet formulations. Successful bioassays on artificial diet for corn rootworm have sometimes been challenging because of microbial contamination. Toward the long-term goal of developing a universal artificial diet for western corn rootworm larvae, we compared larval survival, dry weight, and percentage of molt in 10-d bioassays from six current diets of which we were aware...
September 5, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30184079/impact-of-single-gene-and-pyramided-aphid-resistant-soybean-on-movement-and-spatial-pattern-of-soybean-aphid-hemiptera-aphididae
#8
Obiratanea da Silva Queiroz, Anthony A Hanson, Bruce D Potter, Robert L Koch
Host plant resistance may be an effective option to manage soybean aphid, Aphis glycines (Matsumura) (Hemiptera: Aphididae), an important pest on soybean (Glycine max (L.) Merr.) in the U.S. Movement of soybean aphid may be altered by the presence of resistance (i.e., Rag [Resistance to Aphis glycines]) genes in soybean and changes in movement may affect the spatial pattern of a species. This study aims to assess the effects of Rag1 and pyramided Rag1+Rag2 aphid-resistant varieties on movement of soybean aphid under laboratory conditions and to evaluate potential impacts of this movement on spatial pattern of soybean aphid under field conditions...
September 3, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30184093/effects-of-pollen-feeding-on-quality-of-royal-jelly
#9
Praetinee Pattamayutanon, Chi-Chung Peng, Chainarong Sinpoo, Panuwan Chantawannakul
This study was carried out to assess the impact of pollen feeding from common floral sources in Thailand (e.g., tea, coffee, and bitter bush) on royal jelly (RJ) properties (i.e., protein pattern, (E)-9-hydroxydec-2-enoic acid (9-HDA), and (E)-10-hydroxy-2-decenoic acid (10-HDA) contents and antibacterial activity). The protein patterns from three different pollen were different, while RJ samples derived from bee colonies fed by different pollen, exhibited similar protein patterns. RJ samples from bee colonies fed by pollen from bitter bush and coffee possessed the higher 10-HDA levels than RJ collected from bee colonies fed by tea pollen...
August 31, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30169862/predation-of-aphis-craccivora-hemiptera-aphididae-by-orius-sauteri-hemiptera-anthocoridae-under-different-temperatures
#10
Yang Ge, Ibrahima Camara, Yang Wang, Pingping Liu, Liu Zhang, Yongjie Xing, Aomei Li, Wangpeng Shi
Aphids are important agricultural pests because of their feeding and, for many species, their ability to transmit plant pathogenic viruses. Orius sauteri (Poppius) (Hemiptera: Anthocoridae) is an important predator in northern China of many aphid species, including Aphis craccivora (Koch) (Hemiptera: Aphididae). We measured the functional response and intraspecific competition of O. sauteri under different densities of A. craccivora at several constant temperatures. Predation of O. sauteri on A. craccivora conformed to Holling's type II functional response at all temperatures tested...
August 30, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30169799/biological-evaluation-of-endothall-a-dicarboxylic-acid-analog-of-norcantharidin-and-cantharidin-on-oriental-leafworm-spodoptera-litura-lepidoptera-noctuidae
#11
Hassan Yasoob, Rashid Ahmed Khan, Muhammed Naveed, Maryam Rashid, Yalin Zhang
Cantharidin is a highly potent toxin produced by insects belonging to the order Coleoptera and family Meloidae. The insecticidal activity of cantharidin against different orders of insects has been well documented. Although it is highly effective, its extraction and synthesis is very tedious. Consequently, much work is underway to synthesize the bioactive analogs of norcantharidin and study their relative structures. In this study, we investigate the acute and chronic toxicological effects of cantharidin and endothall, an analog of norcantharidin, using an age-stage-based two-sex life table methodology...
August 30, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30169812/corrigendum-to-use-of-a-lower-volume-surface-pesticide-spray-conserves-spider-assemblages-in-a-tea-field
#12
(no author information available yet)
No abstract text is available yet for this article.
August 29, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30169845/retraction
#13
(no author information available yet)
No abstract text is available yet for this article.
August 28, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30169843/mating-and-carbohydrate-feeding-impacts-on-life-history-traits-of-habrobracon-hebetor-hymenoptera-braconidae
#14
Majeed Askari Seyahooei, Abdoolnabi Bagheri, Mohsen Bavaghar, Abou Fazel Dousti, Shabnam Parichehreh
Rapid population growth and wide host range make Habrobracon hebetor Say (Hymenoptera: Braconidae) highly suitable for biological control programs. To improve performance of the reared wasps in biological control programs we conducted a series of experiments on the effect of mating and carbohydrate feeding on life-history traits of this parasitoid. Mating caused a significant cost to fecundity, host paralysis and parasitism ability of H. hebetor. Mated wasps produced 30.98 and 23.2% less progeny than virgin wasps in unfed and fed treatments, respectively...
August 28, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30169810/long-term-persistence-of-native-new-york-entomopathogenic-nematode-isolates-across-crop-rotation
#15
Elson J Shields, Antonio M Testa, Walker J O'Neil
Entompathogenic nematodes are found worldwide in a wide array of soil habitats with a broad host range and significant variation in foraging strategies. The primary use of entomopathogenic nematodes (EPNs) in managed plant systems has been focused on inundative releases in a biopesticide strategy. Little effort has been placed in investigating the use of natural occurring or adapted EPN strains for long-term suppression of pest outbreaks in managed systems. This study examined the potential of EPN isolates from Northern New York (NNY), inoculated at a low level (250 million IJ/ha), which are climate adapted and their persistent characteristics preserved to maintain population levels in agricultural fields (N = 82) for multiple years and across crop rotation (alfalfa:corn:alfalfa)...
August 28, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30169807/identification-of-nilaparvata-lugens-and-its-two-sibling-species-n-bakeri-and-n-muiri-by-direct-multiplex-pcr
#16
Shuhua Liu, Ju Luo, Rui Liu, Chenguang Zhang, Dekang Duan, Hongming Chen, Wenyong Bei, Jian Tang
The brown planthopper (BPH), Nilaparvata lugens (Stål) (Hemiptera: Delphacidae), is a destructive rice pest of Asia. Currently, one important monitoring method of BPH is through black light trapping. However, two sibling species of BPH, Nilaparvata bakeri (Muri) and Nilaparvata muiri China, can also be trapped by black light, and these species feed only on gramineous weeds rather than on rice. Therefore, the accurate identification of Nilaparvata species is crucial for N. lugens forecasting and management...
August 28, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30165452/comparison-of-three-bioassay-methods-to-estimate-levels-of-tarnished-plant-bug-hemiptera-miridae-susceptibility-to-acephate-imidacloprid-permethrin-sulfoxaflor-and-thiamethoxam
#17
Maribel Portilla, Randall G Luttrell, Katherine A Parys, Nathan Little, K Clint Allen
A laboratory colony of tarnished plant bugs reared solely on a meridic diet was exposed to acephate, imidacloprid, permethrin, sulfoxaflor, and thiamethoxam in dose-response experiments using floral-foam, glass-vial, and dipped-leaf assays. Results indicated that different assay methods produced different relative results across the different insecticides. Dose- and time-response regression models also indicated that length of exposure of tarnished plant bugs to insecticide-treated plant tissue is important...
August 28, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30165386/investigations-of-trichoderma-spp-and-beauveria-bassiana-as-biological-control-agent-for-xylotrechus-arvicola-a-major-insect-pest-in-spanish-vineyards
#18
Álvaro Rodríguez-González, Guzmán Carro-Huerga, Sara Mayo-Prieto, Alicia Lorenzana, Santiago Gutiérrez, Horacio J Peláez, Pedro A Casquero
Xylotrechus arvicola (Olivier) (Coleoptera: Cerambycidae) is an important pest in vineyards (Vitis vinifera) in the main wine-producing regions of Spain. Effective control of this pest is difficult due to the biology of this pest. Biological control agents (BCAs) have proven to be an effective tool in controlling and preventing the spread of a variety of plant pests and diseases. Consequently, the aim of the present study was to assess the capacity of different Trichodema spp., isolated from various vineyards and one commercial isolate of Beauveria bassiana Vuillemin (Hypocreales: Cordycipitaceae), as BCAs of X...
August 28, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30137513/efficacy-of-spring-and-fall-treatments-of-carbaryl-for-protecting-ponderosa-pine-from-mortality-attributed-to-mountain-pine-beetle-coleoptera-curculionidae
#19
Christopher J Fettig, Laura L Lowrey, Darren C Blackford, Joel D McMillin, A Steven Munson, Leif A Mortenson
High-value trees, such as those growing in residential, recreational, or administrative sites, are often susceptible to colonization by bark beetles (Coleoptera: Curculionidae: Scolytinae) as a result of increased amounts of stress associated with off-site plantings, drought, soil compaction, and/or mechanical injury. The value of these trees, cost of removing dead trees, and loss of aesthetics often justify the use of insecticides to protect trees from mortality attributed to bark beetles. Carbaryl (1-naphthyl methylcarbamate) is among the most effective, economically-viable, and ecologically-compatible insecticides available for protecting conifers from several species of bark beetles in the western United States...
August 23, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/30137474/field-study-investigating-cry51aa2-834_16-in-cotton-for-control-of-thrips-thysanoptera-thripidae-and-tarnished-plant-bugs-hemiptera-miridae
#20
Scott H Graham, Scott D Stewart
Field experiments were conducted in 2016 and 2017 in Tennessee to evaluate the effects of a novel Bacillus thuringiensis (Bt)-transgenic toxin, Bt Cry51Aa2.834_16, on thrips (Thysanoptera: Thripidae) and tarnished plant bug, Lygus lineolaris (Palisot De Beauvois) (Hemiptera: Miridae), in cotton. Protection from thrips injury with the Bt trait was as good or better than an insecticide-based approach. The use of the Bt trait resulted in reduced numbers of immature tarnished plant bug, particularly large nymphs, and partial protection from plant bug injury...
August 22, 2018: Journal of Economic Entomology
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