Stevens, Nicholas B.;Austin, Andrew D.
Wikidata facts
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- Baeus sp - spider egg parasitoid wasp - Oklahoma - Flickr - Thomas Shahan 3.jpg
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- taxon name
- Baeus
- taxon author citation
- Haliday, 1833
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- Species
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right|thumb|226px|Baeus sp. from Oklahoma, USA.
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 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.