Aridefferia snowi (Hine),

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: 35-36

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-B800-E53F-63F1-F8B460B3FD44

treatment provided by

Plazi

scientific name

Aridefferia snowi (Hine)
status

 

Aridefferia snowi (Hine) 

Erax snowi Hine 1919: 116  .

Recognition characters: Blackish species; length 13–18 mm; mystax white with few black bristles on oral margin; bristles and setae of mesonotum mostly black, postpronotal setae partly white, in males notopleural (presutural of authors) and supraalar setae partly white, in female postpronotal setae white and notopleural bristles reddish brown; merals black on male and white on female; scutellar setae and bristles of male black, of female mixed white and black; wings faintly yellowish hyaline; in males abdominal segments 5–7 silvery white pollinose with patch of black setae dorsally on tergites 2–4; in males lower arm of basistyle subequal in length to upper arm; legs with femora and tibiae black except basal 4th in males and basal 3rd in females brown.

Distribution: PLATTE: Guernsey State Park, 3 km W of Guernsey, 19 May 1963 ( RJL); 11 km N of Hartville on Manville Road, 19 June 1963 ( RJL). Recorded from Wyoming by: Lavigne & Dennis (1994); Lavigne et al. (1993) (both as Efferia snowi  )

Habitat: Grama-needlegrass-wheatgrass and wheatgrass-needlegrass grassland vegetation types.

Ethology: Nothing known.

Prey: COLEOPTERA  (see Lavigne & Dennis 1994, as Efferia snowi  ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Asilidae

Genus

Aridefferia

Loc

Aridefferia snowi (Hine)

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

Erax snowi

Hine, J. S. 1919: 116
1919