Species Geron chrysonotum Evenhuis, 1979

Museums

Regional Maps

• Geron chrysonotum 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] [25].

  Type data:

   Holotype ANIC ♂ (22.x.1972, D.H. Colless), NT: Darwin, Casuarina Beach.
  Paratype(s) 14♂, 20♀ (ANIC & CAS), NT: various localities; ANIC ♀ (18.i.1967, I.F.B. Common), ACT: Black Mt; 1♂, 2♀ (ANIC & CAS), NSW: various localities; 21♂, 8 ♀ (ANIC & CAS), QLD: various localities; ANIC 6♀, WA: various localities.

Distribution

States

Australian Capital Territory, New South Wales, Northern Territory, Queensland, Western Australia

Distribution References

Diagnosis

♂. Head: black; face and oral margin bare; frons with tuft of argentous tomentum lateral to antennal bases; vertex with black hair; occiput with yellow pilose overlying fine golden tomentum, light yellow tomentum laterally; antennal segments I and II short black pilose as long as segment II; segment III bare; antennal ratio: 2.5:1:5. Thorax: scutum and scutellum black, intermixed black and whitish yellow pile overlying golden tomentum; pleura gray-black, sparse white pilose; halter stem pale yellow, knob white. Legs: coxae gray, white pilose; femora dark brown; fore and mid femora with white pile and scales; hind femur with white pile ventrally; tibiae and tarsi brown, bare. Wing: hyaline; veins brown; r-m crossvein at middle of discal cell; vein closing apex of discal cell straight; squama brown with white fringe. Abdomen: tergite I brown, white pilose; tergites II-VII black, intermixed brown and yellow pile overlying golden tomentum; sternites brown, sparse white pilose and tomentose; apex brown; golden and white pilose. Genitalia: basistylus linear, membranous near apex with short spine lateral to dististylus, short hairs ventromedially, 4-5 long hairs at contact with dorsolateral rami; dististylus long, recurved ventrally; dorsolateral rami thin; epiphallus long, broad, straight to aedeagal tip; tip of aedeagus flared; basal apodeme subtriangular.
♀. Similar to ♂ except for following: frons gray, silver tomentose; antennal segment I black and white
pilose; occiput black, gray laterally, yellowish white pilose; pleura white pilose and tomentose; squama
white; coxae white pilose and tomentose; femora black; tibiae and tarsi orange-brown.

History of changes