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https://www.readbyqxmd.com/read/29782951/clinical-consequences-of-toxic-envenomations-by-hymenoptera
#1
Justin O Schmidt
Many familiar Hymenoptera are brightly colored and can sting painfully-thus, their threat and clinical importance may be exaggerated. Most stinging insects only sting to defend themselves or their colonies from predators. The clinical nature of Hymenoptera envenomations contrasts that of other venomous animals, including other arthropods, primarily because allergic reaction, not direct intoxication, is the usual main concern. This review focuses mainly on the clinical features of direct toxicity to Hymenoptera envenomations, which can induce a high incidence of acute renal failure, liver failure, multiple organ failures, and death...
May 18, 2018: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29778941/ecotoxicological-effects-of-the-insecticide-fipronil-in-brazilian-native-stingless-bees-melipona-scutellaris-apidae-meliponini
#2
Cássio Resende de Morais, Bruno Augusto Nassif Travençolo, Stephan Malfitano Carvalho, Marcelo Emílio Beletti, Vanessa Santana Vieira Santos, Carlos Fernando Campos, Edimar Olegário de Campos Júnior, Boscolli Barbosa Pereira, Maria Paula Carvalho Naves, Alexandre Azenha Alves de Rezende, Mário Antônio Spanó, Carlos Ueira Vieira, Ana Maria Bonetti
Melipona scutellaris Latreille, 1811 (Hymenoptera, Apidae) is a pollinator of various native and cultivated plants. Because of the expansion of agriculture and the need to ensure pest control, the use of insecticides such as fipronil (FP) has increased. This study aimed to evaluate the effects of sublethal doses of FP insecticide on M. scutellaris at different time intervals (6, 12, and 24 h) after exposure, via individually analyzed behavioral biomarkers (locomotor activity, behavioral change) as well as the effect of FP on different brain structures of bees (mushroom bodies, antennal cells, and optic cells), using sub-individual cell biomarkers (heterochromatin dispersion, total nuclear and heterochromatic volume)...
May 10, 2018: Chemosphere
https://www.readbyqxmd.com/read/29776407/comparative-genomics-of-the-miniature-wasp-and-pest-control-agent-trichogramma-pretiosum
#3
Amelia R I Lindsey, Yogeshwar D Kelkar, Xin Wu, Dan Sun, Ellen O Martinson, Zhichao Yan, Paul F Rugman-Jones, Daniel S T Hughes, Shwetha C Murali, Jiaxin Qu, Shannon Dugan, Sandra L Lee, Hsu Chao, Huyen Dinh, Yi Han, Harsha Vardhan Doddapaneni, Kim C Worley, Donna M Muzny, Gongyin Ye, Richard A Gibbs, Stephen Richards, Soojin V Yi, Richard Stouthamer, John H Werren
BACKGROUND: Trichogrammatids are minute parasitoid wasps that develop within other insect eggs. They are less than half a millimeter long, smaller than some protozoans. The Trichogrammatidae are one of the earliest branching families of Chalcidoidea: a diverse superfamily of approximately half a million species of parasitoid wasps, proposed to have evolved from a miniaturized ancestor. Trichogramma are frequently used in agriculture, released as biological control agents against major moth and butterfly pests...
May 18, 2018: BMC Biology
https://www.readbyqxmd.com/read/29776336/phylogenomic-analysis-of-apoidea-sheds-new-light-on-the-sister-group-of-bees
#4
Manuela Sann, Oliver Niehuis, Ralph S Peters, Christoph Mayer, Alexey Kozlov, Lars Podsiadlowski, Sarah Bank, Karen Meusemann, Bernhard Misof, Christoph Bleidorn, Michael Ohl
BACKGROUND: Apoid wasps and bees (Apoidea) are an ecologically and morphologically diverse group of Hymenoptera, with some species of bees having evolved eusocial societies. Major problems for our understanding of the evolutionary history of Apoidea have been the difficulty to trace the phylogenetic origin and to reliably estimate the geological age of bees. To address these issues, we compiled a comprehensive phylogenomic dataset by simultaneously analyzing target DNA enrichment and transcriptomic sequence data, comprising 195 single-copy protein-coding genes and covering all major lineages of apoid wasps and bee families...
May 18, 2018: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/29775033/guidelines-for-clinical-practice-hymenoptera-sting-allergy-in-children-2017-update
#5
(no author information available yet)
No abstract text is available yet for this article.
October 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29773960/checklist-of-bees-hymenoptera-apoidea-from-managed-emergent-wetlands-in-the-lower-mississippi-alluvial-valley-of-arkansas
#6
Phillip L Stephenson, Terry L Griswold, Michael S Arduser, Ashley P G Dowling, David G Krementz
Background: Here we present the results from a two-year bee survey conducted on 18 managed emergent wetlands in the lower Mississippi Alluvial Valley of Arkansas, USA. Sample methods included pan traps, sweep netting and blue-vane traps. We document 83 bee species and morphospecies in 5 families and 31 genera, of which 37 species represent first published state records for Arkansas. The majority of species were opportunistic wetland species; only a small number were wetland-dependent species or species largely restricted to alluvial plains...
2018: Biodiversity Data Journal
https://www.readbyqxmd.com/read/29772020/so-many-genes-so-little-time-a-practical-approach-to-divergence-time-estimation-in-the-genomic-era
#7
Stephen A Smith, Joseph W Brown, Joseph F Walker
Phylogenomic datasets have been successfully used to address questions involving evolutionary relationships, patterns of genome structure, signatures of selection, and gene and genome duplications. However, despite the recent explosion in genomic and transcriptomic data, the utility of these data sources for efficient divergence-time inference remains unexamined. Phylogenomic datasets pose two distinct problems for divergence-time estimation: (i) the volume of data makes inference of the entire dataset intractable, and (ii) the extent of underlying topological and rate heterogeneity across genes makes model mis-specification a real concern...
2018: PloS One
https://www.readbyqxmd.com/read/29771331/a-home-made-trap-baited-with-sex-pheromone-for-monitoring-spodoptera-frugiperda-males-lepidoptera-noctuidae-in-corn-crops-in-mexico
#8
Edi A Malo, Samuel Cruz-Esteban, Francisco J González, Julio C Rojas
Fall armyworm (FAW), Spodoptera frugiperda (J. E. Smith), populations are monitored with a variety of commercial sex pheromone-baited traps. However, a number of trap-related variables may affect the number of FAW males captured. In this study, we tested the effect of trap design, trap size, and trap color for monitoring FAW males in corn crops in Mexico. We found that plastic jug trap (a home-made trap), captured significantly more FAW males than a commercial trap (Scentry Heliothis) and water bottle trap (another home-made trap)...
May 15, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29771324/impacts-of-the-invasive-european-red-ant-myrmica-rubra-l-hymenoptera-formicidae-on-a-myrmecochorous-system-in-the-northeastern-united-states
#9
Nicola Gammans, Frank Drummond, Eleanor Groden
We investigated the impact of an invasive ant species from Europe, Myrmica rubra (L.), on a myrmecochorous system (seeds dispersed by ants) in its invaded range in North America. We assessed: 1) how M. rubra process the myrmecochorous diapsores (seeds and elaiosome as a single dispersal unit transported by ants) in comparison with native ants; 2) its preference for common native and invasive diaspore species relative to native ants; 3) how far they disperse diaspores in the field; and 4) the diaspore removal rate by invertebrates and vertebrates in infested areas compared to noninvaded sites...
May 16, 2018: Environmental Entomology
https://www.readbyqxmd.com/read/29769836/a-revision-of-the-cleptoparasitic-bee-genus-epeolus-latreille-for-nearctic-species-north-of-mexico-hymenoptera-apidae
#10
Thomas M Onuferko
Herein, the cleptoparasitic (cuckoo) bee genus Epeolus (Hymenoptera: Apidae) is revised for species occurring in North America, north of Mexico, and an updated checklist of all species known to occur in Canada and the United States of America is provided with comprehensive descriptions, diagnoses, and a single dichotomous key (using the same couplets for both sexes) to aid in their identification. To increase their recognition among North American naturalists, English common names are also proposed for all North American Epeolus ...
2018: ZooKeys
https://www.readbyqxmd.com/read/29769575/characterization-of-antennal-chemosensilla-and-associated-odorant-binding-as-well-as-chemosensory-proteins-in-the-parasitoid-wasp-microplitis-mediator-hymenoptera-braconidae
#11
Shan-Ning Wang, Shuang Shan, Jing-Tao Liu, Rui-Jun Li, Zi-Yun Lu, Khalid Hussain Dhiloo, Adel Khashaveh, Yong-Jun Zhang
Odorant binding proteins (OBPs) and chemosensory proteins (CSPs) expressed in antennal chemosensilla are believed to be important in insect chemoreception. In the current study, we fully described the morphological characteristics of the antennal sensilla in parasitoid wasp Microplitis mediator and analyzed the expression patterns of OBPs and CSPs within the antennae. In M. mediator, eight types of sensilla were observed on the antennae. Sensilla basiconica type 2 and s. placodea with wall pores may be involved in olfactory perception, whereas s...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29762714/field-populations-of-wild-apis-cerana-honey-bees-exhibit-increased-genetic-diversity-under-pesticide-stress-along-an-agricultural-intensification-gradient-in-eastern-india
#12
Priyadarshini Chakrabarti, Sagartirtha Sarkar, Parthiba Basu
Pesticides have been reported to be one of the major drivers in the global pollinator losses. The large-scale decline in honey bees, an important pollinator group, has resulted in comprehensive studies on honey bee colonies. Lack of information on native wild pollinators has paved the way for this study, which highlights the underlying evolutionary changes occurring in the wild honey bee populations exposed to pesticides along an agricultural intensification landscape. The study reports an increased genetic diversity in native Apis cerana Fabricius (Hymenoptera: Apidae) populations continually exposed to pesticide stress...
May 1, 2018: Journal of Insect Science
https://www.readbyqxmd.com/read/29761469/hymenoptera-genome-database-using-hymenopteramine-to-enhance-genomic-studies-of-hymenopteran-insects
#13
Christine G Elsik, Aditi Tayal, Deepak R Unni, Gregory W Burns, Darren E Hagen
The Hymenoptera Genome Database (HGD; http://hymenopteragenome.org ) is a genome informatics resource for insects of the order Hymenoptera, which includes bees, ants and wasps. HGD provides genome browsers with manual annotation tools (JBrowse/Apollo), BLAST, bulk data download, and a data mining warehouse (HymenopteraMine). This chapter focuses on the use of HymenopteraMine to create annotation data sets that can be exported for use in downstream analyses. HymenopteraMine leverages the InterMine platform to combine genome assemblies and official gene sets with data from OrthoDB, RefSeq, FlyBase, Gene Ontology, UniProt, InterPro, KEGG, Reactome, dbSNP, PubMed, and BioGrid, as well as precomputed gene expression information based on publicly available RNAseq...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29760760/differences-in-the-reliance-on-cuticular-hydrocarbons-as-sexual-signaling-and-species-discrimination-cues-in-parasitoid-wasps
#14
Jan Buellesbach, Sebastian G Vetter, Thomas Schmitt
Background: Cuticular hydrocarbons (CHC) have been documented to play crucial roles as species- and sex-specific cues in the chemical communication systems of a wide variety of insects. However, whether they are sufficient by themselves as the sole cue triggering sexual behavior as well as preference of con- over heterospecific mating partners is rarely assessed. We conducted behavioral assays in three representative species of parasitoid wasps (Hymenoptera: Pteromalidae) to determine their reliance on CHC as species-specific sexual signaling cues...
2018: Frontiers in Zoology
https://www.readbyqxmd.com/read/29755391/odor-learning-and-its-experience-dependent-modulation-in-the-south-american-native-bumblebee-bombus-atratus-hymenoptera-apidae
#15
Florencia Palottini, María C Estravis Barcala, Walter M Farina
Learning about olfactory stimuli is essential in bumblebees' life since it is involved in orientation, recognition of nest sites, foraging efficiency and food yield for the colony as a whole. To evaluate associative learning abilities in bees under controlled environmental conditions, the proboscis extension response (PER) assay is a well-established method used in honey bees, stingless bees and successfully adapted to bumblebees of the genus Bombus . However, studies on the learning capacity of Bombus atratus (Hymenoptera: Apidae), one of the most abundant native species in South America, are non-existent...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29755259/descriptions-of-two-new-species-of-platygaster-latreille-that-attack-gall-midges-diptera-cecidomyiidae-with-notes-on-their-biology-hymenoptera-platygastridae
#16
Kazunori Matsuo, Tomohisa Fujii, Makoto Tokuda, Tomoko Ganaha-Kikumura, Junichi Yukawa, Kenzou Yamagishi
Platygaster ingeniosus Matsuo & Yamagishi, sp. n. and P. urniphila Matsuo & Yamagishi, sp. n. (Hymenoptera: Platygastridae) are described from Japan. The former species is an egg-larval solitary parasitoid of Masakimyia pustulae Yukawa and Sunose (Diptera: Cecidomyiidae). The latter species is an egg-larval gregarious parasitoid of Rhopalomyia longitubifex (Shinji) (Diptera: Cecidomyiidae).
2018: ZooKeys
https://www.readbyqxmd.com/read/29748763/genome-wide-association-analysis-of-host-genotype-and-plastic-wing-morphological-variation-of-an-endoparasitoid-wasp-asobara-japonica-hymenoptera-braconidae
#17
Shinpei Yamashita, Tomohiro Takigahira, Kazuo H Takahashi
Accumulating evidence suggests that genotype of host insects influences the development of koinobiont endoparasitoids. Although there are many potential genetic variations that lead to the internal body environmental variations of host insects, association between the host genotype and the parasitoid development has not been examined in a genome-wide manner. In the present study, we used highly inbred whole genome sequenced strains of Drosophila melanogaster to associate single nucleotide polymorphisms (SNPs) of host flies with morphological traits of Asobara japonica, a larval-pupal parasitoid wasp that infected those hosts...
May 10, 2018: Genetica
https://www.readbyqxmd.com/read/29746854/morphological-changes-in-different-caste-adult-ant-specificities-of-polyrhachis-vicina-roger-hymenoptera-formicidae-caused-in-estrogen-related-receptor
#18
Juan-Juan Zhang, Geng-Si Xi
The estrogen-related receptor (ERR) gene is a member of the nuclear receptor subfamily. Previous studies have indicated that ERR plays important roles in regulating insect growth and development. How ERR is associated with ant caste specificities remains unclear. In this study, we attempted to identify the role of ERR in the regulation of different adult caste specificities of Polyrhachis vicina Roger. Significant variations were detected in the ants including PvERR expressions, some physiological indexes and morphological traits including survival rate, body weight, body length, head width and abdominal appearance by different techniques...
May 7, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29746645/pollen-collection-honey-production-and-pollination-services-managing-honey-bees-in-an-agricultural-setting
#19
Shelley E Hoover, Lynae P Ovinge
Hybrid canola seed production is an important pollination market in Canada; typically both honey bees (Apis mellifera L. (Hymenoptera: Apidae)) and Alfalfa Leafcutting bees (Megachile rotundata Fab. (Hymenoptera: Megachilidae)) are concurrently managed to ensure pollination in this high-value crop. Beekeepers are paid to provide pollination services, and the colonies also produce a honey crop from the canola. Pollen availability from male-fertile plants is carefully managed in this crop to provide an abundance of pollen to fertilize male-sterile ('female') plants...
May 9, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29745384/corrigenda-tan-j-l-carpenter-jm-van-achterberg-c-2018-an-illustrated-key-to-the-genera-of-eumeninae-from-china-with-a-checklist-of-species-hymenoptera-vespidae-zookeys-740-109-149-https-doi-org-10-3897-zookeys-740-22654
#20
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