Lonchopterites Grimaldi and Cumming

Grimaldi, David A., 2018, Basal Cyclorrhapha In Amber From The Cretaceous And Tertiary (Insecta: Diptera), And Their Relationships: Brachycera In Cretaceous Amber Part Ix David A. Grimaldi, Bulletin of the American Museum of Natural History 2018 (423), pp. 1-97 : 1-97

Genus Lonchopterites Grimaldi and Cumming

Lonchopterites Grimaldi and Cumming, 1999: 82. Type species: L. prisca Grimaldi and Cumming, 1999 (Lebanese amber).

DIAGNOSIS: (slightly revised, in italics): Antenna with aristal base situated terminally ( L. prisca Grimaldi and Cumming ) or slightly dorsally ( L. burmensis , n. sp.); arista 2-articled, basal one minute, ringlike. Head with large pair of reclinate interfrontals; large pair of lateroclinate fronto-orbitals; ocellar setae large, inside ( L. prisca ) or outside of triangle ( L. burmensis , n. sp.). Wing apex faintly pointed; vein C with large spinules; R 4+5 ending at tip of wing; R 2+3 and R 4+5 divergent at base of wing; M 1 and M 2 diverge near middle of wing; crossveins r-m and dm-cu lacking; anal lobe present, but small; anal vein short, incomplete. The genus is defined largely on the basis of features that are symplesiomorphic for the Lonchopteroidea .

TYPE SPECIES: L. prisca Grimaldi and Cumming.