Cyrtopogon plausor Osten-Sacken

Lavigne, Robert J. & Dennis, Steve, 2019, Robber flies (Insecta: Diptera: Asilidae) of Wyoming, USA with keys to genera and species, Zootaxa 4662 (1), pp. 1-126: 71-72

publication ID

https://doi.org/10.11646/zootaxa.4662.1.1

publication LSID

lsid:zoobank.org:pub:366A1E81-946C-4ED4-8A65-C51151FE87CC

persistent identifier

http://treatment.plazi.org/id/7708F17A-B864-E55B-63F1-FA186756FE40

treatment provided by

Plazi

scientific name

Cyrtopogon plausor Osten-Sacken
status

 

Cyrtopogon plausor Osten-Sacken 

Cyrtopogon plausor Osten-Sacken, 1877: 297  .

Recognition characters: Blackish species; length 14–16 mm; third antennal segment black; mystax yellowish white with a few black bristles below; thorax yellowish brown pollinose with three darker stripes dorsally; wings slightly tinged with brown; macrotrichia of costal vein black; scutellar setae black; abdomen shining black, gray pollinose fasciae interrupted on all tergites; lateral setae on abdominal segments 1–4 yellowish white; legs, femora black, tibiae reddish brown ringed with black at apex, fore tarsi of males with fringe of dense silvery white setae not parted in middle.

Distribution: ALBANY: 16 km E of Laramie, elevation 2,438 m (8,000 ft), 24 June 1961 ( RHP, EMP) (three specimens in CAS); 29 m SE of Laramie, elevation 2,438 m, 26 June 1961 ( RHP) (three specimens in CAS); 40 km E of Laramie, 2 June 1965 ( MGH); Pole Mtn., 17 June–2 July 1964 ( FRH, RJL), 22–28 June 1965 ( FRH, RJL); Snowy Range Mtns., 15 Aug. 1938 ( MTJ, CSU); University of Wyoming campus, Laramie, Aug. 1938 ( BP-CSU). LARAMIE: Pine Bluffs, 26 June 1967 ( RJL). PLATTE: Dwyer, 1 May 1960 ( RJL); Glendo, 1 May 1960 ( RJL); WAHSAKIE: Tensleep, 2 June 1961 ( RJL). Recorded from Wyoming by: Fisher & Wilcox (1997); Geller-Grimm (2018).

Habitat: Wind sheltered gullies and intermittent streambeds in douglas fir forest and pine-douglas fir forest; wheatgrass-needlegrass shrub steppe shrub and grassland, and grama-needlegrass-wheatgrass and grama-buffalo grassland vegetation types.

Ethology: Rests on and forages from rocks and fallen logs in sun.

Prey: HEMIPTERA (Heteroptera)  , 28 June 1961 ( ECVD) (specimen in CAS).

CAS

California Academy of Sciences

MGH

Museum Godeffroy

CSU

Colorado State University

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Asilidae

Genus

Cyrtopogon

Loc

Cyrtopogon plausor Osten-Sacken

Lavigne, Robert J. & Dennis, Steve 2019
2019
Loc

Cyrtopogon plausor

Osten-Sacken, C. R. 1877: 297