HESPERIIDAE
	Megathyminae
		Megathymini
			Megathymus streckeri (Skinner)  (8)
			M. streckeri texanus Barnes & McDunnough  (7)
			M. yuccae (Boisduval & LeConte)  (7,8)
	Pyrginae
			Epargyreus clarus (Cramer)  (2,6,7,8)
			Urbanus proteus (L.)  (8)
			Autochton cellus (Boisduval & LeConte)  (8)
			Achalarus lyciades (Geyer)  (5,7,8)
			Thorybes bathyllus (J. E. Smith)  (4,6,7,8)
			T. confusis Bell  (4,7,8)
			T. pylades (Scudder)  (4,7,8)
			Cogia outis (Skinner)  (7,8)
			Staphylus hayhurstii (Edwards)  (4,6,7,8)
			Erynnis baptisiae (Forbes)  (6,7,8)
			E. brizo (Boisduval & LeConte)  (4,7,8)
			E. funeralis (Scudder & Burgess)  (4,6,7,8)
			E. horatius (Scudder & Burgess)  (2,6,7,8)
			E. icelus (Scudder & Burgess)  (5,8)
			E. juvenalis (Fab.)  (4,6,7,8)
			E. lucilius (Scudder & Burgess)  (7)
			E. martialis (Scudder)  (7,8)
			E. persius (Scudder)  (7)
			E. telemachus Burns  (8)
			E. zarucco (Lucas)  (5,7,8)
			Pyrgus albescens Plotz  (5)
			P. communis (Grote)  (4,6,7,8)
			Celotes nessus (Edwards)  (6,8)
			Pholisora catullus (Fab.)  (2,4,6,7,8)
	Hesperiinae
			Nastra lherminier (Latreille)  (7,8)
			Lerema accius (J. E. Smith)  (7,8)
			Ancyloxypha numitor (Fab.)  (2,4,6,7,8)
			Copaeodes aurantiaca (Hewitson)  (4,6,7,8)
			C. minima (Edwards)  (7,8)
			Hylephila phyleus (Drury)  (3,4,6,7,8)
			Hesperia attalus (Edwards)  (3,7,8)
			H. leonardus Harris  (7,8)
			H. metea Scudder  (7,8)
			H. ottoe Edwards  (7,8)
			H. uncas Edwards  (8)
			H. viridis (Edwards)  (7,8)
			Polites carus (Edwards)  (8)
			P. origenes (Fab.)  (3,7,8)
			P. peckius (Kirby)  (8)
			P. rhesus (Edwards)  (8)
			P. themistocles (Latreille)  (3,4,7,8)
			P. vibex (Geyer)  (8)
			Wallengrenia egeremet (Scudder)  (4,7,8)
			W. otho (J. E. Smith)  (3,4,6,7,8)
			Pompeius verna (Edwards)  (8)
			Atalopedes campestris (Boisduval)  (2,3,4,6,7,8)
			Atrytone arogos (Boisduval & LeConte)  (3,4,6,7,8)
			Anatrytone logan (Edwards)  (3,4,6,8)(7, as A. delaware (Edwards))
			Problema byssus (Edwards)  (8)
			Poanes hobomok (Harris)  (8)
			P. viator (Edwards)  (7,8)
			P. zabulon (Boisduval & LeConte)  (6,7,8)
			Euphyes conspicua (Edwards)  (8)
			E. dion (Edwards)  (6,7,8)
			E. vestris (Boisduval)  (4,6,8)
			E. vestris metacomet (Harris)  (7)
			Atrytonopsis edwardsi Barnes & McDunnough  (7, as A. ovinia edwardsi B. & M. - ID ?)
			A. hianna (Scudder)  (4,8)(7, as A. turneri Freeman)
			A. vierecki (Skinner)  (7,8)
			Amblyscirtes aenus Edwards  (6,7,8)(7, as A. erna Freeman)
			A. aesculapius (Fab.)  (8)
			A. alternata (Grote & Robinson)  (8)
			A. belli Freeman  (3,4,6,7,8)
			A. eos (Edwards)  (6,8)
			A. linda Freeman  (7,8)
			A. nysa Edwards  (4,7,8)
			A. oslari (Skinner)  (7,8)
			A. vialis (Edwards)  (4,6,7,8)
			Lerodea eufala (Edwards)  (4,6,7,8)
			Calpodes ethlius (Stoll)  (1,4,8)
			Panoquina ocola (Edwards)  (7,8)
1. In OSU Collection - Det. D. C. Arnold
2. In OSU Collection - Det. W. A. Drew
3. In OSU Collection - Det. C. Harp
4. In OSU Collection - Det. J. M. Nelson
5. In OSU Collection - Determiner unknown
6. Reported by Kondratieff et al., 2007
7. Reported by Nelson, 1979
8. Reported by Opler et al., 2006
33 genera - 72 species and subspecies