Sex ratio and parental investment in Trypoxylon (Trypargilum) agamemnon Richards (Hymenoptera, Crabronidae)
| Autor: | A C B Bergamaschi, M L T Buschini |
|---|---|
| Rok vydání: | 2014 |
| Předmět: |
Male
food.ingredient parental investment Wasps mass-provisioning Hymenoptera Diapause Nesting Behavior food Crabronidae lcsh:Botany lcsh:Zoology Animals lcsh:QL1-991 lcsh:Science Parental investment lcsh:QH301-705.5 Life Cycle Stages biology life-history Voltinism Trypoxylon sex ratio Mass provisioning biology.organism_classification lcsh:QK1-989 Cabronidae lcsh:Biology (General) Female lcsh:Q Seasons General Agricultural and Biological Sciences Brazil Sex ratio Demography |
| Zdroj: | Brazilian Journal of Biology, Vol 74, Iss 1, Pp 231-237 |
| ISSN: | 1519-6984 |
| DOI: | 10.1590/1519-6984.20512 |
| Popis: | The life history and sex ratio data of the solitary wasp Trypoxylon agamemnon nesting in trap-nests in southern Brazil was recorded from January 2002 to December 2007. Its sex ratio is strongly female-biased, being bivoltine or multivoltine with until three generations per year. It has two alternative life histories (diapause and direct development) and overlapping generations. In addition to the conflict of interest between the sexes, it is possible that local mate competition occurs between males and may cause a greater investment in the production of females. |
| Databáze: | OpenAIRE |
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