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Grotiusomyia Girault, 1917 comparative info return to: prev(eul 8) prev(eul 18) home
Clypeal margin distinctly convex
, with tiny flange-like ventral margin. 4 funicular segments, all funicular segments, except 1st funicular segment in some species, quadrate or broader than long; males with asymmetrical funicular segments similar to those in Paraolinx. Faint occipital carina present near ocelli. Notauli faintly complete, sometimes obscured by the strong mesoscutal sculpture; scutellum strongly reticulate, sublateral grooves absent anteriorly, present posteriorly, curving to meet near scutellar apex. Median carina of propodeum strong; median panels sharply raised above supracoxal flange and lateral areas of propodeum; lateral edge of raised area with 1 seta on each side (distinct from callar setae). Compare with: Paraolinx.

 grotiusomyia_prop.jpg (26184 bytes) grotiusomyia_face2.jpg (31642 bytes)
Grotiusomyia propodeum (left), and face (right)

grotiusomyia_antennae.jpg (12936 bytes) grotiusomyia_mss.jpg (37621 bytes)
Grotiusomyia female antennae (left), and mesosoma (right)

Biology: Parasitoids of pyralids on Quercus and Populus.

Comments: 2 described species. Widespread but very rarely collected genus.

Comparative information:

Paraolinx: Scutellar grooves completely absent. Median panels of propodeum not raised above lateral and posterior areas, often undifferentiated. Mandibles relatively elongate, with numerous tiny denticles.

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Boucek, Z. 1977. Descriptions of two new species of Neotropical Eulophidae (Hymenoptera) of economic interest, with taxonomic notes on related species and genera. Bulletin of Entomological Research. 67(1): 1-15.

LaSalle, J. & M.E. Schauff. 1992. Preliminary studies on Neotropical Eulophidae (Hymenoptera: Chalcidoidea): Ashmead, Cameron, Howard, and Walker species. Contributions of the American Entomological Institute 27.