Habropogon, Loew, 1847

Lelej, Arkady S., 2017, Review of the genus Habropogon Loew, 1847 (Diptera: Asilidae) from Russia, with description of new species from Siberia, Zootaxa 4311 (3), pp. 417-425 : 424

Key to males of the species of the genus Habropogon from Russia

1. Tarsomere 5 of mesothoracic leg normal, without modified setae................................................2

- Tarsomere 5 of mesothoracic leg with modified setae ( Fig. 2 )..................................... H. appendiculatus

2. Distance between mystax and antennal sockets equal to or less than combined length of scape and pedicel...............3

- Distance between mystax and antennal sockets wider than combined length of scape and pedicel.......................4

3. Upper margin of mystax triangular, nearly reaching antennal sockets. Anepisternum dorsally with hairs ( Figs 3, 4 ).................................................................................................... H. latifrons

- Upper margin of mystax rounded, not reaching antennal sockets. Anepisternum dorsally with macrosetae ( Figs 5, 6 )............................................................................................ H. longiventris Loew

4. Leg reddish, hind femur dorsally and usually fore- and mid-femur with dark stripe. Anepisternum anterodorsally and postpronotal lobe with long white hairs. Dorsocentral setae few in number (less than 5), not reaching transverse suture. Hypopygium reddish ( Figs 7–11 )........................................................................ H. mesasiaticus

- Leg black, femora and tibiae with reddish spot with indistinct boundary. Anepisternum anterodorsally without hairs, postpronotal lobe with short white hairs. Dorsocentral setae long, distinct, reaching or even crossing transverse suture. Hypopygium black ( Figs 12–21 )......................................................................... H. lehri sp. nov.

Figures

FIGURES 1 – 6. 1, 2. Habropogon appendiculatus. 1. Head, frontal view. 2. Mesotarsomeres of male. 3, 4. H. latifrons. 3. Head, frontal view; 4. Anepisternum, lateral view illustrating dorsal hair patch. 5, 6. H. longiventris. 5. Head, frontal view. 6. Anepisternum, lateral view illustrating dorsal setal row.

FIGURES 7 – 11. Habropogon mesasiaticus. 7. Head, frontal view. 8. Anepisternum, lateral view. 9, 10. Habitus, lateral. (9) and dorsal (10) view. 11. Hypopygium, dorsal view.

FIGURES 12 – 15. Habropogon lehri sp. nov., ♂, holotype. 12. Head, frontal view. 13. Anepisternum, lateral view. 14, 15. Habitus, lateral (14) and dorsal (15) views.

FIGURES 16 – 21. Line drawings of male genitalia of Habropogon lehri sp. nov., holotype. 16, 17. Hypopygium, lateral (16) and dorsal (17) view. 18 – 20. The same gonocoxite in different views. 21. Aedeagus, lateral view.