Details

Autor(en) / Beteiligte

• Jennings, John T.
• Austin, Andrew D.
• Stevens, Nicholas B.

Titel

HYPTIOGASTRITES ELECTRINUS COCKERELL, 1917, FROM MYANMAR (BURMESE) AMBER: REDESCRIPTION AND ITS PLACEMENT WITHIN THE EVANIOIDEA (INSECTA: HYMENOPTERA)

Ist Teil von

• Journal of systematic palaeontology, 2004-06, Vol.2 (2), p.127-132

Ort / Verlag

Cambridge, UK: Cambridge University Press

Erscheinungsjahr

2004

Quelle

Taylor & Francis

Beschreibungen/Notizen

• The wasp Hyptiogastrites electrinus Cockerell, 1917, from the Lower Cretaceous (Upper Albian) Myanmar (Burmese) amber is redescribed from the well-preserved holotype and its relationship with extant Aulacidae and Gasteruptiidae (Hymenoptera: Evanioidea) evaluated. Although the wing venation is identical to the majority of extant Hyptiogastrinae (Gasteruptiidae), phylogenetic analysis places H. electrinus as sister taxon to the Aulacidae s.str., (i.e. Aulacus + Pristaulacus). Thus, Hyptiogastrinae is confirmed as having a restricted Southern Hemisphere distribution (i.e. Australasia and South America). Consistent with this result, H. electrinus is included within a slightly more broadly defined Aulacidae rather than being placed in a new monotypic family. Characters that align this species with the Aulacidae include: having small circular eyes, percurrent Y-shaped notauli, pyramidal shape of the propodeum and the presence of a groove or ovipositor guide on the hind coxae.