Ospriocerus Loew, 1866

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 : 102

Ospriocerus Loew

Ospriocerus Loew, 1866: 29 .

Species found in Wyoming: Ospriocerus abdominalis , O. aeacidinus , O. latipennis , O. minos , O. nitens, and O. vallensis .

Key to Species [adapted from Martin (1968)]

1 Antennal style present above the excision.................................................................. 2

- Antennal style absent above the excision................................................................... 5

2 Wholly black species, abdomen shining black................................................. Ospriocerus nitens

- Black, yellowish/reddish brown species, some of abdominal segments yellowish/reddish brown to red.................. 3

3 Yellowish/reddish brown species; some abdominal segments may have black markings; bristles and setae of legs white....................................................................................... Ospriocerus latipennis

- Black species; some abdominal segments may be black, others yellowish red to red; bristles and setae of legs black....... 4

4 Thorax dorsally moderately shining brownish black; abdomen yellowish red.................... Ospriocerus aeacidinus

- Thorax black; abdominal tergites 3–7 and sternites 4–6 red.................................... Ospriocerus vallensis

5 Abdomen completely black............................................................... Ospriocerus minos - Part of abdominal segment 2 and following segments at least dorsally yellowish red to red, one or more segments partially black............................................................................ Ospriocerus abdominalis