Baeus is a genus of wasps in the family Scelionidae. They are parasitoids of spider eggs. They have a cosmopolitan distribution, being found on every continent but Antarctica.Baeus Haliday, 1833 in GBIF Secretariat (2023). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2024-02-20. Baeus wasps are extremely sexually dimorphic; while females are very compact and have reduced or fused segments, males are winged and have a more typical appearance for wasps in Scelionidae.
Species These 95 species belong to the genus Baeus:
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