Leptogaster Meigen,

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: 96-97

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-B87D-E57C-63F1-F8F566F0FCF3

treatment provided by

Plazi

scientific name

Leptogaster Meigen
status

 

Leptogaster Meigen 

Leptogaster Meigen, 1803: 269  . Species found in Wyoming: Leptogaster arenicolus  , L. aridus  , L. coloradensis  , L. eudicranus  , L. hesperis  , L. murinus  , L. parvoclavus  , and L. salvius  .

Key to Species of Leptogaster  [adapted from Martin (1957)]

1 Average of 6 to 10 bristles in mystax.......................................................................2

- Average of 12 or more bristles in mystax.....................................................................4

2 Occipital bristles black; first antennal segment black, second yellowish, third brown.................. Leptogaster aridus 

- Occipital bristles white, pale or tinged with color............................................................ 3

3 First and third antennal segments black, the second red.................................... Leptogaster coloradensis 

- First antennal segment polished, reddish brown, second orange yellow, third brown................ Leptogaster hesperis 

4 Mystax bristles spaced closely together in a single row, rarely matted (some specimens with fewer than 12 bristles); face and occiput ochraceous or white tinged with yellow............................................. Leptogaster murinus 

- Mystax bristles close together, often 2 or more rows, frequently several matted together; face white.................... 5

5 Occipital bristles black; second antennal segment totally red or yellow; all femora and tibiae with dark fasciae; gonoforceps truncated apically................................................................... Leptogaster eudicranus 

- Occipital bristles pale, sometimes tinged with color; second antennal segment black, brown to reddish brown or dark red; gonoforceps not truncate apically............................................................................. 6

6 Dorsum of abdomen subshining brown; thinly gray pollinose, laterally with dense pollen; second antennal segment black..................................................................................... Leptogaster arenicolus 

- Dorsum of abdomen brown pollinose, laterally gray pollinose; second antennal brown to reddish or dark red............. 7

7 Head vertex gray around ocellar tubercle; second antennal segment brown to reddish brown; thorax gray tomentose, with brown V-shaped stripe.................................................................. Leptogaster salvius 

- Vertex brown; second antennal segment dark red; broad, brown thoracic median stripe........... Leptogaster parvoclavus 

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Asilidae

Loc

Leptogaster Meigen

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

Leptogaster Meigen, 1803: 269

Meigen, J. W. 1803: 269
1803