REVISION MALACOSOMA HUBNER IN NORTH AMERICA 111 



Mountains, Apache Indian Reservation; White Mountains; Yavapai Co.; 

 "Ariz.". COLORADO: Breckenridge; Glenwood Springs; Maybell; Mesa Verde 

 National Park; Platte Canyon, near Denver; Rock Creek Canyon (near 

 Alamosa); Valley View Lodge, 10 mi. S. Steamboat Springs, new^ Mexico: 

 Calaveras Creek Camp, Jemez Mountains (Sandoval Co.); Cedar Creek 

 Camp, 2 mi. N. Ruidoso; near Hot Springs, Las Vegas; Jemez Mountains; 

 Ruidoso; Santa Cruz; Simpson's Ranch, 5 mi. E. La Jara. texas: Boerne; 

 Hondo; Rio Frio; "Texas." utah: Buckboard Flat Camp, 7 mi. W. Monticello. 

 Mexico. — chihuahua: Matachic; San Jose Babicora. durango: Otinapa; 

 Palos Colorados; 5 mi. W. Durango; 10 mi. W. El Salto. hidalgo: Guerrero 

 Mill, morelos?: Zacualpan. distrito federal: S. Angel; Zacualpam. 

 Chiapas: San Cristobal las Casas. 



Malacosoma americanum (Fabricius) 

 Common name: EASTERN TENT CATERPILLAR 



Bombyx americana Fabricius, 1793, p. 433, species 81. 



Phalaena castrensis Linnaeus sensu Smith and Abbot, 1797, p. 119, pi. GO. Mis- 

 identified. 



Clisiocampa americana Harris, 1841, pp. 265-271. — Stretch, 1881, p 68. — 

 Edwards, 1889, pp. 77-78.— Dyar, 1893, p. 39.— Packard, 1893, pp. 182- 

 184. Types: Unknown, but possibly unlabeled in the Harris Collection, 

 Museum of Comparative Zoology, Harvard. 



Clisiocampa decipiens Walker, 1855, p. 1488. — Packard, 1864, p. 387. Type: 

 Trenton Falls, New York, male, British Museum of Natural History. 



Clisiocampa americana (Fabricius) Walker, 1855, p. 1488. — Neumoegen and 

 Dyar, 1894, p. 155. 



Bombyx frutetorum Boisduval, 1868-69, p. 82. Type: Lectotype, here designated, 

 male, locality — probably eastern Canada. United States National Museum 

 Type No. 34885. 



Malacosoma americana (Fabricius), Dyar, 1898, p. 6. — Dyar, 1903, p. 262. — 

 Holland, 1903, pp. 312-313, pi. 10, fig. 12.— Essig, 1926, pp. 696-697 

 (in part).— Collier, 1936, p. 98.— McDunnough, 1938, p. 138.— Keen, 

 1952, p. 95 (in part, eastern states). 



Malacosoma americana (Harris), Dyar, 1928, p. 622, pi. 86a. 



? Malacosoma pensylvanica [sic] Guer., McDunnough, 1938, p. 138. (manuscript 

 name?) 



Malacosoma americanum (Fabricius), Langston, 1957, p. 5. 



ADULT MALES (males in figs. 312-320, 206, 311).— Color varying 

 from light to dark chocolate-brown. Wings lightly dusted with white 

 scales ; forewings crossed by a pair of oblique white or yellowish-white 

 lines, sometimes bowed toward outer margin, but often nearly straight; 

 median area variable in width, frequently lighter than inner and outer 

 areas. Hindwing uniform chocolate-brown, occasionally crossed with 

 a faint white area. Lower surface of forewings and hindwings chocolate- 

 brown (fig. 311), often flecked with white scales; both forewings and 



