498 



U. S. NATIONAL MUSEUM BULLETIN 216 



basal 0.15 of tibiae whitish, the front and middle tibiae somewhat 

 infuscate subbasally; tarsi light brown, the fifth segment blackish; 

 wings medium brown, the front wing a little paler basad of stigma. 



Specimens: 9, Dade Co., Fla., May 26, 1950 (Townes). 9 (type), 

 Dade Co., Fla., E. A. Schwarz (Washington). 9, Gainesville, Fla., 

 Mar. 17, 1934, H. T. T. (Townes). 9, Gainesville, Fla., Apr. 7, 1947, 



Figures 224-226. — Localities: 224 (left), Xorides humeralis mexicanus; 223 

 (center), X. h. piceatits; 226 (right), X. h. humeralis. 



G. B. Merrill (Washington). 9, Orange Co., Fla., June 29, 1919, W. 

 Storrs (Washington). 9, Orlando, Fla., April 1920, E. T. Cotton 

 (Washington). 9, Paradise Key, Fla., Apr. 12, 1951, H. and M. 

 Townes (Townes). 9, Welaka, Fla., July 20, 1950, D. Downes (Wash- 

 ington). 9, Winter Park, Fla., June 14, 1940, H. T. Fernald (Wash- 

 ington). 



This subspecies is restricted to Florida. 



lc. Xorides (Exomus) humeralis humeralis (Say), new combination 



Anomaloii humeralis Say, 1829, Contr. Maclurian Lyceum Arts Sci., vol. 1, p. 74 

 (Leconte ed., vol. 1, p. 378); 9 • Type: 9 , Indiana (destroyed). 



? Xylonomus australis Cresson, 1870, Trans. Amer. Ent. Soc, vol. 3, p. 167; 9 . 

 Lectotype: $, Louisiana (Philadelphia). 



Xylonomus Lavallensis Provancher, 1874, Naturaliste Canadien, vol. 6, p. 59; 9 . 

 Type: 9 Quebec Province (Quebec). 



Blackish, the head and hind margins of pronotum stained with 

 ferruginous. Flagellum of female with a white band; palpi of male 

 stramineous, of female brown; tegula fulvous; front and middle coxae, 

 trochanters, femora, and tibiae fulvous, the apex of femora and basal 

 0.15 of tibiae whitish; narrow apex of front and middle tibiae pale 

 fulvous; front and middle tarsi pale fulvous, the fifth segment fuscous; 



