Hesperiidae
      Hesperiinae
                  Amblyscirtes aenus Edwards
                  A. belli Freeman
                  A. carolina (Skinner)
                  A. cassus Edwards
                  A. celia Skinner
                  A. eos (Edwards)
                  A. exoteria (Herrich-Schaffer)
                  A. fimbriata (Plo"tz)
                  A. hegon (Scudder)
                  A. nysa (Edwards)
                  A. oslari (Skinner)
                  A. texanae Bell
                  A. textor Edwards
                  A. vialis (Edwards)
                  Ancyloxypha avene (Edwards)
                  A. numitor (Fabricius)
                  Atalopedes campestris (Bdv.)
                  Atrytone arogos Bdv. & LeC.
                  A. delaware (Edw.)
                  Atrytonopsis deva (Edwards)
                  A. hianna (Scudder)
                  A. loammi (Whitney)
                  A. ovinia edwardsii (Barnes & M.D.)
                  A. pittacus (Edwards)
                  Calpodes ethlius (Stoll)
                  Calpodes spp.
                  Carterocephalus palaemon (Pallas)
                  Copaeodes aurantiaca (Hew.)
                  C. minima (Edwards)
                  Euphyes arpa (Bdv. & LeC.)
                  E. bimacula (G. & R.)
                  E. bimacula contradictaleuss.
                  E. conspicua (Edw.)
                  E. dion (Edw.)
                  E. dion var alabamae Lind.
                  E. palatka (Edw.)
                  E. vestris (Bdv.)
                  Hesperia columbia Scud.
                  H. comma assiniboia (Lyman)
                  H. c. colorado (Scudder)
                  H. c. dodgei (Bell)
                  H. c. harpalus (Edw.)
                  H. c. laurentina (Lyman)
                  H. c. manitoba (Scudder)
                  H. c. oregonia (Edwards)
                  H. dacotae (Skinner)
                  H. juba (Scudder)
                  H. lindseyi Holl.
                  H. metea Scudder
                  H. nevada Scudder
                  H. sassacus Harr.
                  H. sassacus manitoboides Fletch
                  H. uncas Edw.
                  Hesperia viridis (Edwards)
                  Hesperia sp.
                  Hylephila phyleus (Drury)
                  Lerema accius A. & S.
                  Lerodea eufala (Edw.)
                  Nastra lherminier (Latreille)
                  N. neamathla (S. & W.)
                  Oarisma gerita (Reakirt)
                  Ochlodes agricola (Bdv.)
                  O. nemorum Bdv.
                  O. snowi (Edwards)
                  O. sylvanoides (Boisduval)
                  O. sylvanoides napa (Bdv.)
                  Ochlodes sp.
                  Oligoria maculata (Edwards)
                  Panoquina ocula (Edwards)
                  P. panoquin (Scudder)
                  P. panoquinoides (Skinner)
                  P. sylvicola (H. & S.)
                  Paratrytone melane (Edw.)
                  Piruna pirus Edwards
                  P. polinqii Barnes
                  Poanes aaroni (Skinner)
                  P. aaroni howardi (Skinner)
                  P. hobomok form pocahontas (Harris)
                  Poanes hobomok (Harris)
                  P. massasoit (Scudder)
                  P. massasoit huahi (Scudder)
                  P. taxiles (Edwards)
                  P. viator (Edwards)
                  P. zabulon (Bdv. & LeC.)
                  Polites baricoa LeConte
                  P. coras (Cram.)
                  P. draco Edw.
                  P. mystic (Edwards)
                  P. mystic dacotah (Edwards)
                  P. origines (Fabricius)
                  P. sabuleti (Boisduval)
                  P. sonora (Scudder)
                  P. themistocles (Latreille)
                  P. vibex (Geyer)
                  P. vibex brettoides (Edw.)
                  Pompeius verna (Edwards)
                  Problema byssus (Edwards)
                  Pseudocopaeodes eunus (Edwards)
                  Thymelicus lineola (Ochsenheimer)
                  Wallengrenia egeremet (Scudder)
                  W. ortho (J. E. Smith)
      Pyrginae
                  Achalarus casica (Herrich-Schaffer)
                  Achalarus lyciades (Geyer)
                  Achlyodes thraso (Hu"bner)
                  Autochton cellus (Bdv. & LeC.)
                  Celotes nessus (Edwards)
                  Chioides catillus albofasciatus (Cramer)
                  Chiomara asychis (Stoll)
                  Cogia caicus (Herrich-Schaffer)
                  C. calchas (Herrich-Schaffer)
                  C. hippalus (Edwards)
                  C. outis (Skinner)
                  C. clarus (Cramer)
                  C. tityrus Fabricius
                  C. zestos (Geyer)
                  Ephyriades zephodes Hbn.
                  Erynnis afranius (Lintner)
                  Erynnis baptisiae (Forbes)
                  E. brizo (Bdv. & LeC.)
                  E. brizo burgessi (Skinner)
                  E. brizo lacustra (Wright)
                  E. brizo somnus (Lintner)
                  E. funeralis (Scudder & Burgess)
                  E. horatius (Scudder & Burgess)
                  E. icelus (Scudder & Burgess)
                  E. juvenalis (Fabr.)
                  E. lucilius (Scud. & Burg.)
                  E. martialis (Scudder)
                  E. meridianus Bell
                  E. pacuvius Lintner
                  E. persius Scudder
                  E. propertius Scud. & Burg.
                  E. tristis (Boisduval)
                  E. zarucco (Lucas)
                  Erynnis sp.
                  Grais stigmaticus (Mabille)
                  Heliopetes domicella (Erichson)
                  Heliopetes ericetorum (Bdv.)
                  H. laviana (Hewitson)
                  H. macaira (Reakirt)
                  Pholisora catullus (Fabricius)
                  P. libya (Scudder)
                  Polygonus leo (Gmelin)
                  Pyrgus centaureae (Rambur)
                  P. centaureae freija Wurm.
                  P. communis Grote
                  P. communis albescens Ploetz
                  P. ruralis Bdv.
                  P. scriptura Bdv.
                  P. syrichtus Fabricius
                  P. syrichtus montivagus Reak.
                  Staphylus ceos (Edwards)
                  S. hayhurstii (Edwards)
                  S. mazans (Reakirt)
                  Thorybes bathyllus (Smith)
                  T. confusis Bell
                  T. diversus Bell
                  T. drusius (Edwards)
                  T. mexicana dobra H. & S.
                  T. mexicana mexicana H. & S.
                  T. mexicana nevada Scudder
                  T. phylades Scud.
                  Urbanus dorantes (Stoll)
                  U. eurycles Latr.
                  U. proteus (Linnaeus)
                  U. simplicius (Stoll)
                  U. sp.
                  Zestusa dorus (Edwards)
      Pyrrhopyginae
                  Pyrrhopyge araxes (Hewitson)