Species Thraxan emicatus Yeates & Lambkin, 1998

Museums

Regional Maps

• Thraxan emicatus 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 [1045].

  Type data:

   Holotype ANIC ♂, NT, 9 km N by E of Mudginberri (as Mudginbarry) H.S., (on scarp.).
  Paratype(s) GDCB ♂, WA Wyndham, 15°27'S 128°07'E, 330 m; GDCB ♂, NT, near Robin Falls near Adelaide River, 13°21'S 131°07'E, 150 m.

Distribution

States

Northern Territory, Western Australia

IBRA and IMCRA regions

IBRA

NT, WA: Arnhem Coast (ARC), Arnhem Plateau (ARP), Central Arnhem (CA), Central Kimberley (CK), Daly Basin (DAB), Darwin Coastal (DAC), Dampierland (DL), Northern Kimberley (NK), Ord Victoria Plain (OVP), Pine Creek (PCK), Tiwi Cobourg (TIW), Victoria Bonaparte (VB)

Ecological Descriptors

Larva: parasitic.

Diagnosis

Similar to T. simulatus except in the following respects. Apex of epiphallus (Figs 37, 55) dorsally with lateral projections absent; plate smoothly tapering to sharp medial projection. Apex of epiphallus laterally with medial projection sclerotised, small, blunt and recurved; apical margin distinctive, deeply concave medially, dorsal area developed with proximal projection and large distal flange deeply incurved, ventral area also strongly developed forming overlaying broad flange projecting distally. Ventral hook absent. Neck spines very large, scoop-like, sclerotised flanges extending strongly apically and curved ventrally.

History of changes