154 Journal New York. Ent. Soc. [Vol. ii. 



H. rileyana Harv<:y. 



1S74 — Ih'leropacha rileyana Harvky, r.ull. Buff. .Soc, Vol. I, p. 262. 



Grav ; median space blackish, secondaries brownisli. T. a. 

 and t. p. lines obscure, whitish, sub-dentate, defined by blackish 

 scales. A sub-terminal row of venular dots; fringe black spotted. 

 Expanse, 27 — ^2 mm. 



Habitat, Mississippi Valley. 



[The description by Harvey of the venation of secondaries is 



erroneous] 



Sub-family Lasiocampin.e. 

 \/ 



Genus Clisiocampa Curtis. 



\%22>—C/isu'cai)ipa Curtis, Brit. Ent., Vol. V, pi. 229. 



Synopsis of species. 



Se.xes concolorous or nearly so; wings crossed by a pair of darker lines, 

 rarely obsolete, not dentate, or by a broad brown band, 



disstria race erosa. 

 .^exes concolorous or not; the wings crossed by palei" lines except when 

 the ground color is pale. 

 Sexes alike; wings chocolate brown with straight white bands, americana. 

 Sexes alike or tlie (^^pale; wings gray or chocolate brown, rarely 



luteous; bands often denticulate .... fragilis. 

 Sexes discolorous, the 9 normally paler than the r^, but (^' some- 

 limes also pale; lines dark in the pale forms, moie or 

 less denticulate pluvialis, californica, ambisimilis. 



Sexes discolorous ; (^ very pale, 9 dark, but both with darker lines on 



fore wings constricta. 



C. disstria Eubne^-. 



\i22l - Ma/acosoma disstria HUbner, Verz. bek. Schmett., p. 122. 



1868 -Bomhyx dnipacearumV>0\'aV)\i\'K\., Ann.Ent.Soc.Belg., Vol. XII, p. 82. 



var. sylvatica Harris. 



\?)^\-~Clisi<H-aiiipa sylvatica HARRIS, Rep. Ins. Mass., p. 271. 



var. thoracicoides NeiwKxgen &= Dyar. 



ii()'i — Clisiocampa disstria var. thoracicoides NEUMffiGEN & DvAR, Journ. 



N. Y. Ent. Soc , Vol. I, p. 30. 



Light yellowish brown, the Q paler; fore wings crossed by 



two dark brown bands. In the var. sylvatica, the space between 



these bands is uniformly filled in with brown, and in the var. 



thoracicoides, the bands are very obscure. A form with irrorate 



wings and dark secondaries occurs in 'I'exas. Expanse, 18 —40 mm. 



Habitat, Atlantic States to Mississippi Valley. 



