REVISION MALACOSOMA HUBNER IN NORTH AMERICA 85 



Clisiocampa disstria race erosa var. sylvaticoides Neumoegen and Dyar, Neumoegcn 



andDyar, 1894, p. 155. 

 Clisiocampa disstria race erosa var. thoracica Stretch, sensu Neumoegen and Dyar, 



1894, p. 155. 

 Malacosoma disstria erosa (Stretch), Dyar, 1903, p. 263. — McDunnough, 1938, 



p. 138. 

 Malacosoma disstria perversa (Neumoegen and Dyar), Dyar, 1903, p. 263. 

 Malacosoma disstria sylvatica (Harris), Dyar, 1903, p. 263. 

 Malacosoma disstria sylvaticoides (Neumoegen and Dyar), Dyar, 1903, p. 263. 

 Malacosoma disstria thoracica (Stretch), sensu Dyar, 1903, p. 263. 

 Malacosoma disstria thoracicoides (Neumoegen and Dyar), Dyar, 1903, p. 263. 

 Malacosoma disstria form anita Reiff, 1913, pp. 307-308. Type: Holotype, male. 



Concord, Massachusetts, 2 July 1912. United States National Museum 



Type No. 34895. 

 Malacosoma disstria form astriata Reiff, 1913, pp. 306-307. Type: Lectotype, 



here designated, male, Lincoln, Massachusetts, 13 July 1912. United States 



National Museum Type No. 34894. 

 Malacosoma disstria form sylvatica (Harris), McDunnough, 1938, p. 138. 

 Malacosoma disstria form thoracicoides (Neumoegen and Dyar), McDunnough, 



1938, p. 138. 

 Malacosoma disstria aberration anita Reiff, McDunnough, 1938, p. 138. 

 Malacosoma disstria aberration astriata Reiff, McDunnough, 1938, p. 138. 

 Malacosoma disstria erosa form perversa (Neumoegen and Dyar), McDunnough, 



1938, p. 138. 

 Malacosoma disstria erosa form sylvaticoides (Neumoegen and Dyar), McDunnough, 



1938, p. 138. 

 Malacosoma disstria erosa form thoracica (Stretch), sensu McDunnough, 1938, 



p. 138. 

 J Malacosoma nubilis Guer., McDunnough, 1938, p. 138. (manuscript name?) 

 Malacosoma disstria erosum (Stretch), Langston, 1957, pp. 10-11. 

 Malacosoma disstria erosum form thoracica (Stretch), sensu Langston 1957, pp. 1 1- 



12. 



ADULT MALES (males in figs. 119-139).— Coloration highly vari- 

 able, the ground color ranging from light yellow (fig. 129) to dark brown 

 (fig. 1 34) ; lines on forewings distinct, faint, or rarely absent, or median 

 area between the lines same color as lines, resulting in a band across 

 the wing (figs. 120 and 126) ; lines or bands always darker than ground 

 color. Hindwings same color as forewings or slightly darker, often 

 crossed by a faint dark area as in figure 131. Lower surface of wings 

 variable, but similar in color to upper surface; both forewings and 

 hindwings often crossed by a darker line or darker inner area. Epiphysis 

 very large, curved, about as long as tibia (fig. 75) . 



MALE TERMINALIA. — Posterior edge of seventh sternite usually 

 with many distinct "teeth" (fig. 57), but sometimes with only a few or 

 none. Genitalia small compared with other species (compare the relative 



