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ent 16 ent
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1904 comparative info return to: prev home
Clypeus distinctly outlined by sulci; upper frons (above transverse frontal
groove) smooth and shiny; occiput sharply margined near ocellar triangle. Flagellum with 4
funicular segments and 1 claval segment; flagellomeres with whorls of erect setae in
males; postmarginal vein equal or very slightly longer than stigmal vein. Mesoscutal
midlobe with 1 pair of setae (the posterior pair). Forewing with 2 setal tracks
radiating from stigmal apex, but these sometimes obscured by discal setae (in some
Neotropical species). Petiole much broader than long. Gt1 in females with lateral
indented, distinctly sculpted areas. Head, body, and legs pale
yellow to whitish (parts of antennae, 4th tarsomeres, parts of gastral tergites in males,
and ovipositor darker). Compare with: Chrysonotomyia, Omphale.
Ametallon female gastral base (dorsal) with indented area
Ametallon female gastral base (lateral) with indented area
parasitoids of Odonata.
Comments: Mostly Neotropical, known only from Florida in the Nearctic.
Chrysonotomyia: Head and body with at least
some metallic coloration. Gt1 in females without special lateral indented areas. Upper
frons with distinct sculpture.
Omphale: Forewing with at most 1 setal track
radiating from stigmal apex. Gt1 in females without special lateral indented areas. Body
usually darker, at least in part.
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Hansson, C. 1996. Taxonomic revision of the Nearctic species of Omphale
Haliday (Hymenoptera: Eulophidae). Entomologica Scandinavica supplement 49.
Hansson, C. 2004. Eulophidae of Costa Rica, 2. Memoirs of the American Entomological Institute 75. 536 pp.
Image credits: 1a-b: Hansson (1996).