Species Thraxan obstipus Yeates & Lambkin, 1998

Museums

Regional Maps

• Thraxan obstipus Yeates, D.K. & Lambkin, C.L. 1998. Review of the tribe Anthracini (Diptera: Bombyliidae) in Australia: cryptic species diversity and the description of Thraxon, gen. nov. Invertebrate Taxonomy 12(6): 977-1078 [1054].

  Type data:

   Holotype AM K75646 ♂ (malaise, unburn mons'n woodland), NT, 5 km SE Humpty Doo, Byrne [12° 38' S 131° 16' E].
  Paratype(s) AM ♂, NT, 5 km SE Humpty Doo, Byrne.

Distribution

States

Northern Territory, Queensland

IBRA and IMCRA regions

IBRA

NT, Qld: Arnhem Coast (ARC), Arnhem Plateau (ARP), Brigalow Belt North (BBN), Brigalow Belt South (BBS), Central Arnhem (CA), Central Mackay Coast (CMC), Cape York Peninsula (CYP), Daly Basin (DAB), Darwin Coastal (DAC), Desert Uplands (DEU), Einasleigh Uplands (EIU), NSW North Coast (NNC), Ord Victoria Plain (OVP), Pine Creek (PCK), South Eastern Queensland (SEQ), Tiwi Cobourg (TIW), Victoria Bonaparte (VB), Wet Tropics (WT)

Ecological Descriptors

Larva: parasitic.

Diagnosis

Similar to T. simulatus except in the following respects. Posterior margin of tergite 2 with transverse band of white scales and median quarter of posterior margin of tergite 3 with tuft of white scales. Apex of epiphallus (Figs 26, 44) dorsally with lateral projections absent; medial projection terminating squarely, basal margin truncate. Apex of epiphallus laterally with small, blunt medial projection. Neck spine large, blunt and sclerotised.

History of changes