IOWA LEPIDOPTERA 
325 
Graptolitha antennata Wlk. Sioux City, April 2, 1916, one female. 
Conis^tra sidus Gn. Iowa City, November. Sioux City. 
Conistra morrisoni Grt. Mid River, October 11, 1917, one male. 
Parastichtis bicolorago Gn. Iowa City, one specimen. The form 
ferrugineoides Gn. occurs from late September to early November at 
Sioux City and Iowa City, and fairly swarms at light during the warm 
evenings of October. 
Parastichtis agressa Sm. Sioux City, September 3, 1917, one female. 
Atethmia pampina Gn. Mid River, September 23, 1917, one female. 
ACRONYCTINAE 
Amphipyra pyramidoides Gn. Iowa City, Sioux City; August, Sep- 
tember. 
Amphipyra glabella Morr. Sioux City, August 19, 1917, one female. 
Dipterygia scabriuscula Linn. Sioux City, June to August. 
Septis lignicolora Gn. Sioux City, July; Iowa City, June. 
Septis arctica Bdv. Dickinson county, July. 
Trachea delicata Grt. Sioux City, Dickinson county, June and July. 
Trachea miselioides Gn. Sioux City, August 17, 1918, one specimen. 
Agroperina lutosa Andr. Sioux City, July 11, 1917, one female. 
Agroperina helva Grt. Ames, August 15, 1918, two only. 
Sidemia devastator Brace. A common species. 
Phlogophora iris Gn. Dickinson county, July 25, 1917, one specimen, 
L. L. Buchanan. 
Chytonix palliatricula form iaspis Gn. An “Iowa” specimen in coll, 
Barnes. 
Leuconycta diphteroides Gn. Sioux City and Iowa City; July and 
August. 
Leuconycta diphteroides form obliterata Grt. Iowa City, July. 
■ A crony eta afflicta Grt. Iowa City, in coll.' Wickham. 
A crony eta retardata Wlk. Sioux City, August. 
A crony eta caesarea Sm. Ames, August 12, 1918, one only. 
A crony eta hamamelis Gn. Iowa City, May 9, 1917. The one specimen 
in my collection is rather puzzling, but seems to be this species. 
Acronycta quadrata Grt. August 21, 1917, Sioux City, one female. 
Acronycta lobeliae Gn. Dickinson county, August, 1916, one female, 
R. Whittle. 
Acronycta radcliffei Harv. August 11, one male, Iowa City. 
Acronycta morula Grt. Sioux City, June, August. 
Acronycta interrupta Gn. Iowa City, Sioux City; May to September. 
Acronycta lepusculina Gn. Iowa City, May; Sioux City, April, August. 
Acronycta betulae Riley. Iowa City, May 26, 1917, one male, L. L. 
Buchanan. 
Acronycta americana Harris. Iowa City, August; Sioux City, April, 
May, August. 
Acronycta rubricoma Gn. Iowa City, June. 
Acronycta lithospila Grt. Ames, August 5, 1918, one. 
Acronycta oblinita A. & S. Sioux City, May and September; Iowa 
City, late April; Grinnell, June (W. W. Bennett). 
Simyra henrici Grt. Iowa City, May 16, 1917, three specimens. 
