Mostrando 821 - 840 Resultados de 2,956 Para Buscar '"Hymenoptera"', tiempo de consulta: 0.18s Limitar resultados
  1. 821
    “…The natural history of large local reactions to Hymenoptera stings allowed to estimate the risk to develop a systemic reaction after an initial large local reaction in about 4% of patients. …”
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  2. 822
  3. 823
    “…The Indonesian species of the family Signiphoridae (Hymenoptera, Chalcidoidea) are revised. Three species of Chartocerus are described as new (Chartocerus kartiniae Polaszek & Schmidt, sp. nov., C. sumatrensis Schmidt & Polaszek, sp. nov., and C. javensis Schmidt & Ubaidillah, sp. nov.) and four species of Signiphora, viz., S. bennetti Woolley & Dal Molin, S. flavella Girault, S. perpauca Girault and S. bifasciata Ashmead, are diagnosed.…”
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  4. 824
  5. 825
    “…In general, most species have developed mechanisms to minimize inbreeding such as dispersal and kin avoidance behavior. In the eusocial Hymenoptera, related individuals typically share a common nest and have relatively short mating periods, this could lead to inbreeding, and because of their single–locus complementary sex determination system, it may generate diploid males that could result in infertile triploid progeny representing a cost for the colony. …”
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  6. 826
  7. 827
    “…In the current study, two full‐length SNMP transcripts, MmedSNMP1 and MmedSNMP2, were identified in the parasitoid Microplitis mediator (Hymenoptera: Braconidae). Quantitative real‐time polymerase chain reaction analysis showed that the expression of MmedSNMP1 was significantly higher in antennae than in other tissues of both sexes. …”
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  8. 828
  9. 829
  10. 830
    “…Insecticides are the main method of controlling lepidopteran pests of eucalyptus plantations and those selective to natural enemies, such as the endoparasitoid Palmistichus elaeisis Delvare et LaSalle (Hymenoptera: Eulophidae), are preferable. The objective of this study was to evaluate the selectivity and effects on biological parameters of the insecticide deltamethrin, registered for the control of defoliator caterpillars of eucalyptus, to the parasitoid P. elaeisis aiming the rational use of this insecticide and its compatibility with parasitoids. …”
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  11. 831
    “…In the ant Vollenhovia emeryi Wheeler (Hymenoptera: Myrmicinae), queens and males are produced clonally, while sterile workers arise sexually, unlike other ant species and Hymenopteran insects in general. …”
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  12. 832
    “…Chemosensory proteins (CSP) are a class of acidic soluble proteins which have various functions in chemoreception, resistance and immunity, but we still have very little knowledge on this gene family in fig wasps, a peculiar insects group (Hymenoptera, Chalcidoidea) that shelter in the fig syconia of Ficus trees. …”
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  13. 833
  14. 834
  15. 835
  16. 836
    por Hansson, Christer, Schmidt, Stefan
    Publicado 2020
    “…BACKGROUND: The European species of the genus Tetrastichus (Insecta, Hymenoptera, Eulophidae, Tetrastichinae) are revised with 93 species, including 50 species described as new. …”
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  17. 837
  18. 838
  19. 839
  20. 840
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