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Key to genera of Afrotropical Orussidae

(Life: Kingdom: Metazoa (animals); Phylum: Arthropoda; Class: Hexapoda; Order: Hymenoptera;  Superfamily: Orussoidea; Family: Orussidae)

ClassificationIdentification keys

(modified from Vilhelmsen 2003)


1A

Head with distinct transverse frontal furrow ventrally; subantennal groove weakly developed; postocular carina absent ...Leptorussus Benson

 

1B

Transverse frontal furrow absent; subantennal groove usually well developed; if weakly developed, then median longitudinal frontal carina present; postocular carina usually present ....2


2A

Body colour predominantly blue-green metallic. Maxillary palp very shortened, one-segmented, hardly visible. Forewing with vein 1r-Rs very reduced, so discal cell touches vein R anteriorly ...Chalinus Konow

2B

Body colour not blue-green metallic. Labiomaxillary complex at most slightly reduced, maxillary palps visible, four or five-segmented. Forewing with vein 1r-Rs variously developed, but discal cell always well separated from vein R ...3


3A

Head with ventrally converging median longitudinal frontal carinae well developed, frons distinctly concave; maxillary palp shortened, four-segmented ...Pedicrista Benson


3B

Median longitudinal frontal carina absent, frons flat; maxillary palp elongate, five-segmented ....Orussus Latreille


References

Vilhelmsen, L. 2003. Phylogeny and classification of the Orussidae (Insecta: Hymenoptera), a basal parasitic wasp taxon. Zoological Journal of the Linnean Society 139: 337-418.

Credits

Photographs © Simon van Noort (Iziko Museums).


Web author Simon van Noort (Iziko South African Museum)

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