Asilidae
Leptogastrinae
Leptogaster brevicornis Loew  (2)
L. murina Loew  (5,16)
L. schaefferi Back  (5)
L. virgata Coquillett  (5,8)
Psilonyx annulatus (Say)  (2,8)
Beameromyia pictipes (Loew)  (5)
Apachekolos tenuipes  (8)
Dasypogoninae
Saropogon birdi Curran  (8)
S. combustus Loew  (2,3,5,8)
S. dispar Coquillett  (2,3,5,6,8,16)
S. hypomelas (Loew)  (1)
S. pritchardi Bromley  (3,6,8)
Dasypogon sallei (Bellardi)  (6)(?)
Diogmites angustipennis Loew  (2,16)(16, as D. symmachus Loew)
D. bilobatus Barnes  (1)
D. discolor Loew  (2)
D. misellus Loew  (2)
D. neoternatus (Bromley)  (2,6,16)
D. platypterus Loew  (2,6)
D. pritchardi Bromley  (2,8)
D. texanus Bromley  (2)
Taracticus octopunctatus (Say)  (2,5)
Comantella pacifica Curran  (7)
Cophura bella (Loew)  (16)
C. pollinosa Curran  (8)(17, as Buckellia wilcoxi Pritchard)
C. stylosa Curran  (2,5,8)(17, as Buckellia)
C. texana Bromley  (8)
Laphriinae
Atomosia melanopogon Hermann  (2,3,6,16)
A. puella (Wiedemann)  (2,3,5,16)
A. punctifera Hermann  (2,5)
A. rufipes Macquart  (2)
A. sayii Johnson  (3,16)
A. tibialis (Hull)  (16)
Cerotainia albipilosa Curran  (5,6)
C. macrocera (Say)  (5)
Orthogonis stygia (Bromley)  (11)
Lampria bicolor (Wiedemann)  (2,3,6,16)
L. rubriventris (Macquart)  (2,3,5,16)
Laphria flavicollis Say  (3,5,16)
L. lata Macquart  (3,5)
L. macquarti (Banks)  (3,16)
L. saffrana Fab.  (3)
L. sicula McAtee  (5)
L. thoracica Fab.  (5)
L. vorax (Bromley)  (11)
Cerotainiops abdominalis (Brown)  (3,8,16)
Andrenosoma fulvicauda (Say)  (5)
Laphystiinae
Laphystia bromleyi Wilcox  (3,8)
L. confusa Curran  (5,8)
L. varipes Curran  (2,3,6,8)
Psilocurus birdi Curran  (5,8,16)
P. nudiusculus Loew  (2,5,16)
Stenopogoninae
Stenopogon helvolus (Loew)  (2,3,5,16)
S. indistinctus Bromley  (3,8)
S. subulatus (Wiedemann)  (2,3)
Ospriocerus aeacidinus (Williston)  (2)
O. aeacus (Wiedemann)  (5)(16, as O. abdominalis Say)
O. latipennis Loew  (2,3,16)
O. longulus (Loew)  (3,16)
O. pumilus Coquillett  (3)
O. rhadamanthus (Loew)  (3,5,16)
Scleropogon picticornis Loew  (7)
Microstylum galactodes Loew  (3,12)
M. morosum Loew  (3,11,12,16)
Prolepsis tristis (Walker)  (2,3,16)
Ceraturgus cruciatus (Say)  (10)
C. elizabethae Brimley  (10)
C. oklahomensis (Bromley)  (2,3,8,10)
Holopogon guttulus (Wiedemann)  (5)
H. snowi Back  (2,3,8,16)
Hadrokolos pritchardi Martin  (8)
H. texanus (Bromley)  (2,5,8)
Heteropogon currani Pritchard  (2,5,8,17)
H. lautus Loew  (16)
H. macerinus (Walker)  (5)
H. senilis (Bigot)  (2)
Stichopogoninae
Lasiopogon oklahomensis Cole & Wilcox  (8)
Townsendia minuta Williston  (2)
T. pulcherrima Back  (2)
Stichopogon abdominalis Back  (3,6)
S. colei Bromley  (3)
S. pritchardi Bromley  (8)
S. trifasciatus (Say)  (3,6,16)
Trigonomiminae
Holcocephala abdominalis (Say)  (5)
H. calva (Loew)  (5)
Haplopogon latus (Coquillett)  (16)
Apocleinae
Efferia aestuans (L.)  (2,3,5,6,14,16,18,19,20)
E. albibarbis (Macquart)  (3,6,16,18,19)
E. argentifrons (Hine)  (3,5,18,19)
E. argyrosoma (Hine)  (3,5,18,19)
E. auripilus (Hine)  (18,19)
E. barbata (Fab.)  (18)(? - not found)
E. belfragei (Hine)  (6,18,19)
E. sp., ? benedicti (Bromley)  (3)
E. bexarensis (Bromley)  (2,5,18,19)
E. bicaudata (Hine)  (6,18,19)
E. candida Coquillett  (18,19)
E. flavipilosa Barnes  (1)
E. helenae (Bromley)  (3,16)
E. kansensis (Hine)  (2,5,6,11,18,19)
E. kelloggi Wilcox  (16)
E. leucocoma (Williston)  (6,18,19)
E. luna Wilcox  (3,6)
E. monki (Bromley)  (16)
E. nemoralis (Hine)  (8,16,18,19)
E. pallidula (Hine)  (18,19)
E. plena (Hine)  (3,5,8,9,16,18,19)
E. pogonias (Wiedemann)  (2,5,6,19)
E. prairiensis (Bromley)  (3,5,11,18,19)
E. snowi (Hine)  (5,6,18,19)
E. subpilosus (Schaeffer)  (16)
E. texana (Banks)  (2,5,6,11,16,18,19)
E. tuberculata (Coquillett)  (3,6,16,18,19)
E. varipes (Williston)  (2,3,5,18,19)
E. zonata (Hine)  (18,19)
Promachus sp., ? albifacies Williston  (3)
P. bastardii (Macquart)  (3,5,6,16,18,19)
P. dimidiatus Curran  (16)
P. fitchii Osten Sacken  (3,5,6,16,18,19)
P. hinei Bromley  (16,18,19)
P. oklahomensis Pritchard  (5,8,17,18,19)
P. texanus Bromley  (5,8,17,18,19)
P. vertebratus (Say)  (2,5,18,19)
Mallophora fautrix Osten Sacken  (7)
M. orcina (Wiedemann)  (2,6,18,19)
Megaphorus acrus (Curran)  (2,3,5)(8,15,17,18,19, as Mallophorina)
M. guildiana (Williston)  (15,17,18,19, as Mallophorina)
Proctacanthus brevipennis (Wiedemann)  (18,19)
P. duryi Hine  (4,18,19)
P. hinei Bromley  (2,3,6,16,18,19)
P. micans Schiner  (18,19)
P. milbertii Macquart  (4,5,16,18,19)
P. nearno Martin  (18,19)
P. rodecki James  (2,4,5,16,18,19)
P. rufus Williston  (2,6,18,19)
Eccritosia zamon (Townsend)  (3)
Proctacanthella cacopiloga (Hine)  (2,6,8,18,19,21)(16, as 
Proctacanthus)
P. exquisita (Osten Sacken)  (8,19,21)(17,18, as P. jamesi Pritchard)
P. leucopogon (Williston)  (5,6,16,18,19)
P. wilcoxi Bromley  (3,6,18,19)
Triorla interrupta (Macquart)  (3,5,6,16,20)(18,19, as Efferia)
Asilinae
Asilus sericeus Say  (5,18,19)
Machimus antimachus (Walker)  (2,5,18)(19, as Tolmerus)
M. formosus (Hine)  (18)(19, as Asilus)
M. griseus Hine  (19)
M. johnsoni (Hine)  (5,18)(19, as Tolmerus)
M. notatus (Wiedemann)  (2,5,6,18)(19, as Tolmerus)
M. prairiensis (Tucker)  (2,6,18)(19, as Tolmerus)
M. snowii (Hine)  (5,6,18)(19, as Tolmerus)
M. tenebrosus (Williston)  (18)(? - not found)
M. virginicus (Banks)  (2,5,6,18)(19, as Tolmerus)
Furcilla delicatula (Hine)  (18, as Machimus)(19, as Asilus)
Dicropaltum mesae (Tucker)  (5,6,16)(18, as Neomoctherus)(19, as
Asilus)
D. rubicundus (Hine)  (2,5,6)(18, as Neomoctherus)(19, as Asilus)
Neoitamus flavofemoratus (Hine)  (6,18,19)
N. orphne (Walker)  (16)
Neomoctherus auricomus (Hine)  (11)
Philonicus limpidipennis (Hine)  (2,16,18,19)
P. rufipennis Hine  (5,8,18,19)
Ommatiinae
Ommatius gemma Brimley  (8,13,18)
O. oklahomensis Bullington & Lavigne  (13)
O. ouachitensis Bullington & Lavigne  (13,16)
O. pretiosus Banks  (18)
O. tibialis Say  (2,6,16,18,19)
 1. In OSU Collection - Det. J. K. Barnes
 2. In OSU Collection - Det. S. W. Bromley
 3. In OSU Collection - Det. G. S. Forbes
 4. In OSU Collection - Det. C. R. Nelson
 5. In OSU Collection - Det. A. E. Pritchard
 6. In OSU Collection - Det. K. F. Schaefer
 7. Det. E. Fisher, record via Kurt Schaefer
 8. Reported in Diptera Catalog
 9. Reported by Barnes, 2007
10. Reported by Barnes, 2008
11. Reported by Barnes et al., 2007
12. Reported by Beckemeyer & Charlton, 2000
13. Reported by Bullington & Lavigne, 1984a
14. Reported by Bullington & Lavigne, 1984b
15. Reported by Cole & Pritchard, 1964
16. Reported by Kondratieff et al., 2007
17. Reported by Pritchard, 1935
18. Reported by Schaefer, 1962
19. Reported by Schaefer, 1968
20. Reported by Smith et al., 1996
21. Reported by Wilcox, 1965
49 genera - 164 species