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Journal of Insect Science

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https://www.readbyqxmd.com/read/28069731/an-old-remedy-for-a-new-problem-identification-of-ooencyrtus-kuvanae-hymenoptera-encyrtidae-an-egg-parasitoid-of-lycorma-delicatula-hemiptera-fulgoridae-in-north-america
#1
Houping Liu, Jason Mottern
Spotted Lanternfly, Lycorma delicatula (White) is a recently introduced pest of Tree-of-Heaven, Ailanthus altissima (Mill.) Swingle in North America. Natural enemy surveys for this pest in Pennsylvania in 2016 recovered an encyrtid egg parasitoid from both field collections and laboratory rearing of field-collected L. delicatula egg masses. Both molecular and morphological data confirm that the egg parasitoids are Ooencyrtus kuvanae (Howard) (Hymenoptera: Encyrtidae). Ooencyrtus kuvanae (Howard) is primarily an egg parasitoid of gypsy moth, Lymantria dispar (L...
January 9, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28069730/geographic-origin-and-host-cultivar-influence-on-digestive-physiology-of-spodoptera-exigua-lepidoptera-noctuidae-larvae
#2
Neshat Golikhajeh, Bahram Naseri, Jabraeil Razmjou
Digestive enzymatic activity in three geographic strains (Miandiab, Kalposh and Moghan regions) of Spodoptera exigua (Hübner) (Lepidoptera: Noctuidae) reared on different sugar beet cultivars (Dorothea, Rozier, Persia and Perimer) was studied under laboratory conditions (25 ± 1 °C, 65 ± 5% RH, and a photo period of 16:8 (L:D) h photoperiod). The results of this study demonstrated that digestive protease and amylase activity of S. exigua larvae was affected by both geographic origin of the pest and host plant cultivar...
January 9, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28042108/dynamics-of-reintroduced-populations-of-oedipoda-caerulescens-orthoptera-acrididae-over-21-years
#3
Bruno Baur, G Heinrich Thommen, Armin Coray
Conservation programs increasingly involve the reintroduction of animals which otherwise would not recolonize restored habitats. We assessed the long-term success of a project in which the Blue-winged grasshopper, Oedipoda caerulescens (L., 1758), was reintroduced to a nature reserve in Northwestern Switzerland, an alluvial gravel area where the species went extinct in the 1960s. In summer 1995, we released 110 individuals (50 females and 60 males) and 204 individuals (101 females and 103 males) into two restored gravel patches with sparse vegetation...
December 31, 2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28042107/the-genetic-basis-of-natural-variation-in-drosophila-diptera-drosophilidae-virgin-egg-retention
#4
Jamilla Akhund-Zade, Alan O Bergland, Sarah O Crowe, Robert L Unckless
Drosophila melanogaster is able to thrive in harsh northern climates through adaptations in life-history traits and physiological mechanisms that allow for survival through the winter. We examined the genetic basis of natural variation in one such trait, female virgin egg retention, which was previously shown to vary clinally and seasonally. To further our understanding of the genetic basis and evolution of virgin egg retention, we performed a genome-wide association study (GWAS) using the previously sequenced Drosophila Genetic Reference Panel (DGRP) mapping population...
December 31, 2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28042106/selection-and-suitability-of-an-artificial-diet-for-tuta-absoluta-lepidoptera-gelechiidae-based-on-physical-and-chemical-characteristics
#5
J G Bajonero, J R P Parra
Tuta absoluta (Meyrick, 1917) is a key tomato pest in South America and, recently, in Europe and Africa. To develop efficient control methods for this pest, adequate rearing protocols are desirable. As an alternative to tomato leaves (natural diet), we evaluated four artificial diets. Biological traits including larval and pupal viability and development time, pupal weight and deformations were assessed. Additionally, the optimum container size and larval density were evaluated. The diet based on casein, wheat germ and cellulose allowed the best development of T...
December 31, 2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28042105/a-comparison-of-trapping-techniques-coleoptera-carabidae-buprestidae-cerambycidae-and-curculionoidea-excluding-scolytinae
#6
Michael J Skvarla, Ashley P G Dowling
Beetles (Coleoptera) are a charismatic group of insects targeted by collectors and often used in biodiversity surveys. As part of a larger project, we surveyed a small (4 hectare) plot in the Boston Mountains of Arkansas using 70 traps of 12 trap types and Berlese-Tullgren extraction of leaf litter and identified all Buprestidae, Carabidae, Cerambycidae, and Curculionoidea (Anthribidae, Attelabidae, Brachyceridae, Brentidae, and Curculionidae excluding Scolytinae) to species. This resulted in the collection of 7,973 specimens representing 242 species arranged in 8 families...
December 31, 2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28042104/laboratory-bioassays-with-three-different-substrates-to-test-the-efficacy-of-insecticides-against-various-stages-of-drosophila-suzukii-diptera-drosophilidae
#7
Aneliya Koleva Pavlova, Melanie Dahlmann, Mirjam Hauck, Annette Reineke
Rapid worldwide spread and polyphagous nature of the spotted wing Drosophila Drosophila suzukii Matsumura (Diptera: Drosophilidae) calls for efficient and selective control strategies to prevent severe economic losses in various fruit crops. The use of insecticides is one option for management of this invasive pest insect. Efficacy of insecticides is usually assessed first in laboratory bioassays, which are compounded by the cryptic nature of D. suzukii larvae and the fact that fruits used in bioassays often start to rot and dissolve before larvae have reached the adult stage...
December 31, 2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28025305/dispersal-of-amblyseius-swirskii-acari-phytoseiidae-on-high-tunnel-bell-peppers-in-presence-or-absence-of-polyphagotarsonemus-latus-acari-tarsonemidae
#8
L Lopez, H A Smith, M A Hoy, R D Cave
Amblyseius swirskiiAthias-Henriot (Acari: Phytoseiidae) is a predatory mite used to control thrips (Thysanoptera), whiteflies (Bemisia tabaci Genn., Hemiptera: Aleyrodidae), and broad mites (BMs) (Polyphagotarsonemus latus Banks, Acari: Tarsonemidae). Dispersal of A. swirskii, using the ornamental pepper "Explosive Ember" as a banker plant was evaluated for control of BMs in high-tunnel peppers. Open-canopy plants (5 weeks old) versus closed-canopy plants (10-weeks old) were used to evaluate the effect of plant connectedness in A...
December 26, 2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28011875/reviewers-for-journal-of-insect-science-september-2015-september-2016
#9
EDITORIAL
(no author information available yet)
No abstract text is available yet for this article.
December 22, 2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28082349/seasonality-of-the-mediterranean-fruit-fly-diptera-tephritidae-on-terceira-and-sao-jorge-islands-azores-portugal
#10
R Pimentel, D J H Lopes, A M M Mexia, J D Mumford
Population dynamics studies are very important for any area-wide control program as they provide detailed knowledge about the relationship of Medfly [Ceratitis capitata (Wiedemann)] life cycle with host availability and abundance. The main goal of this study is to analyse seasonality of C. capitata in Terceira and Sao Jorge Islands (Azores archipelago) using field and laboratory data collected during (2010-2014) CABMEDMAC (MAC/3/A163) project. The results from Sao Jorge Island indicate significantly lower male/female ratio than on Terceira Island...
2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28076287/erratum
#11
(no author information available yet)
No abstract text is available yet for this article.
2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28076286/spinosad-induces-antioxidative-response-and-ultrastructure-changes-in-males-of-red-palm-weevil-rhynchophorus-ferrugineus-coleoptera-dryophthoridae
#12
Salaheldin A Abdelsalam, Abdullah M Alzahrani, Omar M Elmenshawy, Ashraf M Abdel-Moneim
The red palm weevil, Rhynchophorus ferrugineus, is of great concern worldwide, especially in the Middle East, where dates are a strategic crop. Despite their ecological hazard, insecticides remain the most effective means of control. A bioinsecticide of bacterial origin, spinosad is effective against several pests, and its efficacy against male R. ferrugineus was assessed in the present study. The antioxidative responses of key enzymes including catalase (CAT), superoxide dismutase (SOD), and glutathione-S-transferase (GST) to spinosad were investigated in the midgut and testes, and the effects of this insecticide on the cell ultrastructure of the midgut, Malpighian tubules, and testes were also determined...
2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28076285/ephemera-danica-ephemeroptera-ephemeridae-as-a-resource-for-two-commensals-ciliated-protozoans-sessilida-and-chironomids-diptera
#13
Maria Grzybkowska, Eliza Szczerkowska-Majchrzak, Małgorzata Dukowska, Joanna Leszczyńska, Mirosław Przybylski
The distribution and coexistence of two unrelated commensals, the chironomid Epoicocladius ephemerae (Kieffer 1924) and ciliate Carchesium polypinum L. 1758, on one host species, Ephemera danica Muller 1764, sampled in two small lowland rivers in 2009, 2010 and 2011, were investigated. We analyzed 288 mayfly specimens from the Bzura River and 101 from the Mroga River. The number of commensals on a single mayfly specimen varied between 0 and 18 chironomids, and from 0 to 46 colonies of ciliates. Prevalences were >48% for chironomids and ∼30% for ciliates, whereas mean intensities were low (4...
2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28076284/abnormal-development-of-haemaphysalis-qinghaiensis-acari-ixodidae
#14
Qiaoyun Ren, Ze Chen, Jin Luo, Guangyuan Liu, Guiquan Guan, Hong Yin, Jianxun Luo
A single Haemaphysalis qinghaiensis specimen exhibiting abnormal morphology was collected from a tick laboratory colony. The tick had a heart-shaped body with partial twinning of the posterior region (with two anal orifices and two genital grooves). To the best of our knowledge, this is the first report of teratological changes in H. qinghaiensis The abnormal morphological features are described herein.
2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28076283/potential-distribution-map-of-culicoides-insignis-diptera-ceratopogonidae-vector-of-bluetongue-virus-in-northwestern-argentina
#15
Cecilia A Veggiani Aybar, Romina A Díaz Gomez, María J Dantur Juri, Mercedes S Lizarralde de Grosso, Gustavo R Spinelli
Culicoides insignis Lutz is incriminated as a vector of bluetongue virus (BTV) to ruminants in America. In South America, almost all countries have serological evidence of BTV infections, but only four outbreaks of the disease have been reported. Although clinical diseases have never been cited in Argentina, viral activity has been detected in cattle. In this study, we developed a potential distribution map of Culicoides insignis populations in northwestern Argentina using Maximum Entropy Modeling (Maxent)...
2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28076282/enzyme-activity-cold-hardiness-and-supercooling-point-in-developmental-stages-of-acrosternum-arabicum-hemiptera-pentatomidae
#16
Mozhgan Mohammadzadeh, Hamzeh Izadi
Several species of pentatomid bugs feed on pistachio fruits in Iran. Acrosternum arabicum Wagner (Hemiptera: Pentatomidae) is one of the most important pests of pistachio in Rafsanjan, Iran. This study was carried out to investigate the carbohydrase activities, supercooling points, and cold hardiness profiles of different developmental stages of A. arabicum under laboratory conditions. The midgut amylolytic of A. arabicum showed an optimal pH at 7.0. The highest amylolytic activity was found in the female adults (35...
2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28076281/transcriptome-and-gene-expression-analysis-of-cylas-formicarius-coleoptera-brentidae-during-different-development-stages
#17
Juan Ma, Rongyan Wang, Xiuhua Li, Bo Gao, Shulong Chen
The sweet potato weevil, Cylas formicarius (F.) (Coleoptera: Brentidae), is an important pest of sweet potato worldwide. However, there is limited knowledge on the molecular mechanisms underlying growth and differentiation of C. formicarius The transcriptomes of the eggs, second instar larvae, third instar larvae (L3), pupae, females, and males of C. formicarius were sequenced using Illumina sequencing technology for obtaining global insights into developing transcriptome characteristics and elucidating the relative functional genes...
2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28076280/the-effect-of-organic-fertilizers-and-flowering-plants-on-sheet-web-and-wolf-spider-populations-araneae-lycosidae-and-linyphiidae-and-its-importance-for-pest-control
#18
El-Said M El-Nabawy, Katsuo Tsuda, Yositaka Sakamaki, Asahi Oda, Yurie Ushijima
The main goal of this study was to identify the treatment that increases the populations of spiders, which are effective predators in agroecosystems. In 2013 and 2014 the experimental eggplant (Solanum melongena L.) field was two different treatments, organic fertilizers and chemical fertilizer treatment, and in 2014 we surrounded organic fertilizer plots with the flowering plants mealy cup sage (Salvia farinacea Benth.), spearmint (Mentha spicata L.), and basil (Ocimum basilicum L.). Analysis using repeated measures ANOVA revealed significant influences of fertilizer type on the numbers of linyphiid spiders and Collembola in 2013...
2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28076279/identification-and-validation-of-reference-genes-for-the-normalization-of-gene-expression-data-in-qrt-pcr-analysis-in-aphis-gossypii-hemiptera-aphididae
#19
Kang-Sheng Ma, Fen Li, Ping-Zhuo Liang, Xue-Wei Chen, Ying Liu, Xi-Wu Gao
To obtain accurate and reliable results from quantitative real-time reverse transcription polymerase chain reaction (qRT-PCR) analysis, it is necessary to select suitable reference genes as standards for normalizing target gene expression data. QRT-PCR is a popular analytical methodology for studying gene expression and it has been used widely in studies of Aphis gossypii Glover in recent years. However, there is absence of study on the stability of the expression of reference genes in A. gossypii. In this study, eight commonly used candidate reference genes, including 18S, 28S, β-ACT, GAPDH, EF1α, RPL7, α-TUB, and TBP, were evaluated under various experimental conditions to assess their suitability for use in the normalization of qRT-PCR data...
2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28076278/characterization-of-the-ryanodine-receptor-gene-with-a-unique-3-utr-and-alternative-splice-site-from-the-oriental-fruit-moth
#20
L N Sun, H J Zhang, L F Quan, W T Yan, Q Yue, Y Y Li, G S Qiu
The ryanodine receptor (RyR), the largest calcium channel protein, has been studied because of its key roles in calcium signaling in cells. Insect RyRs are molecular targets for novel diamide insecticides. The target has been focused widely because of the diamides with high activity against lepidopterous pests and safety for nontarget organisms. To study our understanding of effects of diamides on RyR, we cloned the RyR gene from the oriental fruit moth, Grapholita molesta, which is the most serious pest of stone and pome tree fruits throughout the world, to investigate the modulation of diamide insecticides on RyR mRNA expression in G...
2016: Journal of Insect Science
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