Proctacanthus milbertii (Macquart)

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: 58

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-B81B-E525-63F1-FF0066F4FB52

treatment provided by

Plazi

scientific name

Proctacanthus milbertii (Macquart)
status

 

Proctacanthus milbertii (Macquart) 

Proctacanthus milbertii ( Macquart, 1838)  : 124.

Recognition characters: Brownish gray species; length 30–34 mm; mystax straw white; thorax brown pollinose with 3 brown pollinose stripes dorsally; scutellar setae white, bristles mostly black or mixed black and a few white; wings with brownish aspect; abdomen brownish gray pollinose, setae and bristles on first three abdominal segments partially black; legs brown, femora black anteriorly.

Distribution: FREMONT: near Lander, 1,524 –2,438 m (5,000 –8,000 ft), July 1895 ( RO-UK). PLATTE: Dwyer, 18 Aug. 1960, 11 Aug. 1961 ( RJL, REP); Glendo, 14 Aug. 1958 ( DRT), 18 Aug. 1959, 23 July 1960, 1–23 Aug. 1961, 17 Aug. 1962 ( RJL); Guernsey, 27 July–12 Aug. 1960, 27 July–31 Aug. 1961, 9 Aug. 9–13 Sept. 1962 ( RJL); Wheatland; 14 Aug.–2 Sept. ( SD, RJL); Lance Creek, 24 Aug, 1895 (?- FDA); 16 km W of Wheatland, 6 July–7 Sept. 1964 ( FRH, RJL); 2 Sept. 1965 ( RJL). Recorded from Wyoming by: Dennis & Lavigne (1975) (as Proctacanthus micans  ); Fisher & Wilcox (1997) [entire United States, except absent Oregon, California, Nevada, Utah, and northeastern states (Maryland northward)]; Geller-Grimm (2018); Lavigne et al. (1994).

Habitat: Sagebrush steppe shrub and grassland and grama-needlegrass-wheatgrass grassland vegetation types. Open rangeland, short, mid-grass plains area; shows decided preference for downy cheatgrass ( Bromus tectorum  L.) areas in shallow valleys.

Ethology: Rests on and forages from soil, prickly pear cactus, tall weeds and cheat grass (see Dennis & Lavigne 1975 as Proctacanthus micans  ).

Prey: DIPTERA  : Asilidae  : Efferia bicaudata (Hine)  , Guernsey, 16 Aug. 1961 (two records), Guernsey, 15 Aug. 1962, Wheatland, 7 Sept. 1964; Ospriocerus latipennis (Loew)  , Dwyer, 20 Aug. 1959. HYMENOPTERA  , Bombidae  : Bombus  sp. (three records). ORTHOPTERA  , Acrididae  : Melanoplus sanguinipes (Fab.) Wheatland  , 18 Aug. 1964. COLEOPTERA  , DIPTERA  , HEMIPTERA (Heteroptera)  , HYMENOPTERA  , LEPIDOPTERA  , NEUROPTERA, ORTHOPTERA  (see Dennis & Lavigne 1975 as Proctacanthus micans  ; Lavigne & Pfadt 1966; Lavigne et al. 1994).

REP

Desert Experiment Station of the W.I.R.

SD

San Diego Natural History Museum

FDA

HHS/FDA

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Asilidae

Genus

Proctacanthus

Loc

Proctacanthus milbertii (Macquart)

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

Proctacanthus milbertii (

Macquart 1838
1838