320 
IOWA ACADEMY OF SCIENCE Voi.. XXVII, 1920 
Libytheidae 
Libythea hachmani Kirt. Specimens formerly recorded as carinenta be- 
long here. Carinenta is not known to occur north of Texas. 
Riodinidae 
Calephelis borealis G. & R. There is a specimen labelled Fairfax, la., 
in the collection at Ames. 
Lycaenidae 
THECEINAE 
Strymon acadica Edw. Taken at Sioux City in 1917. 
CHRYSOPHANINAE 
Heodes dione Scud. Locally common at Iowa City. 
He odes helloides Bdv. I have taken this at Okoboji, Ames and Iowa 
City. 
LYCAENINAE 
Hemiargus isola Reak. Occurs as far east at Iowa City. 
Plebeius melissa Edw. Taken at Sioux City in 1917. 
HESPERIOIDEA 
Hesperiidae 
HESPERIINAE 
Thanaos briso Bdv. & Lee. Mid River and Homestead, May. 
PAMPHILINAE 
Oarisma pomeshiek Parker. Sioux City, 1917. 
Pamphila sassacus race dacotae Skin. A single female taken in 1909 
at Sioux City proved a puzzle for years, but it has at last been identified 
by comparison with a paratype female in the Barnes collection. 
Buphyes bimacula G. & R. One female was taken in 1917 at Sioux City. 
SPHINGOIDEA 
Sphingidae 
Protoparce sexta Joh. Distribution general. Common. 
Protoparce quinquemgculatus Haw. Common throughout the state. 
Ceratomia amyntor Hbn. Sioux City. 
Ceratomia undulosa Wlk. Sioux City and Iowa City. 
Sphinx chersis Hbn. Sioux City, Macedonia. 
Smerinthus jamaicensis Dru. Sioux City, Iowa City. 
Paonias excaecatus A. & S. Throughout the state. 
Paonias my ops A. & S. Iowa City. 
Cressonia juglandis A. & S. Sioux City, Macedonia. 
Pachysphinx modesta Harr. Throughout the state. 
Hemaris thysbe Fab. Sioux City. One specimen. 
Hemaris diffinis Bdv. Sioux City and Dickinson county. 
Hemaris diffinis f. aest. axillaris G. & R. Sioux City. 
Pholus satellitia form pandorus Hbn. All parts of the state. 
Pholus achemon Dru. Sutherland. 
Ampeloeca myron Cram. Sioux City and Iowa City. 
Sphecodina abbotti Swains. Iowa City, Macedonia. 
