Species Geron robertsi Evenhuis, 1979

Museums

Regional Maps

• Geron robertsi Evenhuis, N.L. 1979. Studies in Pacific Bombyliidae (Diptera). II. Revision of the genus Geron of Australia and the Pacific. Pacific Insects 21: 13-55 [Date published 30 August] [52].

  Type data:

   Holotype ANIC ♂ (4.xii.1949, D.H. Waterhouse), NSW: Gordon.
  Paratype(s) ANIC ♀ (12.xii.1951, E.F. Ried), NSW: 40 mi [64.0 km] N of Sydney; ANIC ♀ (3.ii.1928, M. Fuller), NSW: Collaroy; AMSA 1♂, 1♀ (31.xii.1962, D.H. Colless), NSW: Otford Roy. Natl. Park; ANIC ♀ (23.i.1963, A.L. Dyce), NSW: Pymble; ANIC ♂ (23.i.1960, R. Straatman), QLD: Highvale, 14 mi [22.4 km] NW of Brisbane.

Distribution

States

New South Wales, Queensland

Diagnosis

♂. Head: face, frons, and oral margin brown, bare; vertex black, black pilose; occiput black, yellow pilose; gula black, dense yellow pilose; antennae brown; segments I and II brown pilose; segment III bare; antennal ratio: 3.5:1:4.5 Thorax: scutum and scutellum black, yellow pilose, black hair posteriorly; pleura brown, black pilose on mesopleuron, brown pilose elsewhere; halters brown. Legs: fore coxa orange-brown; mid and hind coxae dark brown; all coxae yellow to brown pilose; femora brown, intermixed yellow and black pilose; tibiae and tarsi brown, bare. Wing: tinted dark brown basally, infuscation extending to end of R1 just before end of R2+3; and just beyond r-m and posterior crossveins; anal, axillary and 1/2 of 1st and 3rd posterior cells infuscated; r-m crossvein 4/5 beyond base of discal cell; vein closing apex of discal cell sigmoid; R4 curved upward at wing margin; squama brown with black fringe. Abdomen: tergites black, white pilose; sternites dark brown, white pilose; apex black, white pilose. Genitalia: basistylus broad basally, tapering toward apex, small hooked projection dorsally near apex; dististylus long, tapering toward apex, recurved ventrally; dorsolateral rami very broad at contact with basistylus, filamentous near epiphallus; epiphallus extremely long, slender to aedeagal tip; tip of aedeagus beaklike; basal apodeme large, club-shaped.
♀. Similar to ♂ except for the following: face and oral margin gray-black, bare; frons shining black, silver tomentum lateral to antennal bases; occiput black, gray laterally, white pilose; gula gray, white pilose; antennal segment III black, bare; pleura gray, white pilose and tomentose; coxae gray, white pilose and tomentose; mid and hind femora yellow with white scales; mid tibia yellow.

History of changes