Nerax aestuans (Linnaeus)

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: 38

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-B807-E539-63F1-FD2D62CAFB9E

treatment provided by

Plazi

scientific name

Nerax aestuans (Linnaeus)
status

 

Nerax aestuans (Linnaeus) 

Asilus aestuans Linnaeus, 1763: 413  .

Recognition characters: Grayish-black species; length 18–20 mm; mystax black above, white below with few black bristles on oral margin; bristles and setae of mesonotum largely black with white setae posteriorly; meral bristles black in both sexes; scutellar setae white, marginal bristles black; males with abdominal segments 5–7 silvery white pollinose, sternite 8 produced apically with long black setae; legs, femora black, tibiae brown fading to black apically.

Distribution: Recorded from Wyoming by Cole (1969) (as Efferia aestuans  ); Fisher & Wilcox (1997) (as Efferia aestuans  ); Geller-Grimm (2018).

Habitat: Sagebrush steppe and wheatgrass-needlegrass shrub steppe shrub and grassland, and grama-needlegrass-wheatgrass, grama-buffalo grass, and wheatgrass-needlegrass grassland vegetation types.

Ethology: Nothing known.

Prey: None known.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Asilidae

Genus

Nerax

Loc

Nerax aestuans (Linnaeus)

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

Asilus aestuans

Linnaeus, C. 1763: 413