Cyrtopogon inversus Curran

Cyrtopogon inversus Curran, 1923: 172 .

Recognition characters: Blackish species; length 11–13 mm; third antennal segments black; mystax snowy white above and black below; thorax gray and brown pollinose; wings hyaline, macrotrichia of costal vein black; scutellum shining black with brown pollinose spot basally, scutellar setae black; abdomen shining black with dorsal gray pollinose fasciae entire on segments 2–4; lateral setae in segments 1–4 in male black except for a tuft of white setae on segment 1; in female lateral setae are white; legs, femora black, fore and middle tibiae blackish, hind tibiae reddish brown with white pole posteriorly.

Distribution: ALBANY: Libby Creek, Snowy Range Mtns., 18 June 1961 (RJL); Pole Mtn., 23 June 1972 (SD). CARBON: Middle of Elk Mtn., 11–27 July 1972 (SD, RJL). NATRONA: Casper Mtn., 18 July 1968 (RJL). TETON: Jenny Lake, Grand Tetons, 25 June 1938 (ECVD) (specimen in CAS), 24 July 1953 (CPA). YELLOW- STONE NATIONAL PARK: 28 June 1912 (RCO) (specimen in CAS). Recorded from Wyoming by: Adisoemarto (1967) (YNP); Cole (1969); Fisher & Wilcox (1997); Geller-Grimm (2018); Martin & Wilcox (1965); Wilcox & Martin (1936) (Yellowstone Park, 28 June 1912, R. C. Osborn).

Habitat: Douglas fir forest and pine-douglas fir forest (both in clearings within the forest where shrubs and grasses are dominant), and sagebrush steppe shrub and grassland vegetation types. Open clearings in mixed coniferous forests.

Ethology: Rests on and forages from rocks, fallen logs and dead tree stumps in sun.

Prey: COLEOPTERA, Anobiidae: Utobium elegans Horn, Elk Mtn., 27 July 1972; Scolytidae: Pityogenes sp., Elk Mtn., 11 July 1972; DIPTERA, Chloropidae: Oscinella frit (L.), Elk Mtn., 27 July 1972; Culicidae: Aedes dorsalis (Meigen), Pole Mtn., Albany Co., 23 June 1972; HEMIPTERA (Homoptera), Cicadellidae: Aceratagallia uhleri (Van Duzee), Pole Mtn., Albany Co., 23 June 1972; Balclutha neglecta (DeLong & Davidson), Elk Mtn., 27 July 1972.