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IOWA ACADEMY OF SCIENCE Vor,. XXVII, 1920 
Schizura ipomoeae form cinereofrons Pack. Sioux City, June 24, 1917, 
one female. 
Schizura unicornis A. & S. Sioux City, August 8, 1917. 
Schizura apicalis G. & R. Sioux City, August, 1917. 
Cerura cinerea Wlk. Iowa City, May; Sioux City, August. 
Gluphisia scptentrionalis Wlk. Sioux City, April, July, very common 
in August. 
Thyatiridae 
Pseudothyatira cymatophor aides Gn. Iowa City, July 27, 1898, in coll. 
Wickham. 
Lymantriidae 
Hemerocampa leucostigma A. & S. The common tussock moth. The 
larva, with its white tufted back, is a familiar sight, as also is the female 
cocoon with the frothlike egg mass, but the wingless female, and even the 
male, which appear in the northwestern part of the state in September, 
are less conspicuous. 
Olene sp. I have three specimens of an Olene from Sioux City, but 
without some knowledge of the early stages they cannot be definitely 
identified. 
Lasiocampidae 
Tolype velleda Stoll. Dickinson county, September ; Iowa City, Sep- 
tember. 
Malacosoma americana Fab. Sioux City, July 8, 1917, one male. 
Heteropacha rileyano) Harv. Iowa City, May; Ames, August. 
Bpicnaptera americana Harris. Sioux City, May 9, 1910, one male. 
Drepanidae 
Eudeilinia herminiata Gn. Sioux City, July; Iowa City, June. 
Drepana arcuata Wlk, Iowa City, May 16, 1917, one, at light. 
Geometridae 
HEMITHEINAE 
Nemoria mimosaria Gn. Iowa City, June 11, 1917, two. 
Chlorochlamys chloroleucaria Gn. Sioux City, June; Iowa City and 
Dickinson county, August. 
ACIDALIINAE 
Buacidalia ossularia Hbn. Iowa City, June, July. 
Xy strata hepaticaria Gn. Sioux City, May. 
Acidalia enucleata Gn. Sioux City, July. 
Acidalia enucleata form relevata Swett. Iowa City, June, July; Sioux 
City, July, September. 
Acidalia enucleata form adornata Prout. Sioux City, September. 
Ptychopoda demissaria Hbn. Sioux City, July 22, 1916, three specimens. 
Ptychopoda inductata Gn. Iowa City, June; Sioux City, June to August; 
Dickinson county, August. 
Haematopis grataria Fab. Common throughout the state; May to Aug- 
ust. 
Timandra amaturaria Wlk. Sioux City, July to September. Reared 
from Convolvulus sepium. 
