OF WASHINGTON, VOLUME XVII, 1915 113 



-Boreal of the northern Appalachian region extending through 

 the transition to the dilute edge of the upper austral prairie 2 

 subspecies indicated. 



Ennyommopsis nigrifrons (Syn. Clista americana T. female) 

 1 male, Miami, Florida (Mrs. C. H. T. Townsend); 2 males, 

 South Carolina (Townsend) ; 5 males, Maryland and Virginia 

 (Crawford and Shannon); 1 male (TD4394) Holyoke Gap, 

 Massachusetts (Townsend); 2 females, Florida and Missouri 

 (Riley) ; 1 female, Missouri (Bureau Entomology) labeled "Par. 

 on hickory nut Curculio, 7.22.95;" 1 female, Huston, Louisiana 

 (Hunter No. 1456) Described from 1 male and 1 female, Carlin- 

 ville, Ills. Humid semitropical to austral and sparingly transi- 

 tion lowlands; lower austral in the main. 



Eulmvia globosa 1 male, Inverness, Florida (Robertson No. 

 12417), 4 males, Missouri (Riley), 2 labeled "3090. x" and 1 

 "3090.o;" 1 male and 1 female, Opelousas, Louisiana; 1 female, 

 Louisiana (H. A. Morgan) labeled "From Chalcodermus;" 11 

 males and 5 females, Clemson, South Carolina (G. G. Ainslie) 

 reared from Chalcodermus ceneus (TD511 female, 1710 puparia); 

 9 males and 9 females, Louisiana, Arkansas and Ada, Oklahoma 

 (Hunter Nos. 1326, 1331, 1390, and 1934), mostly reared from 

 Anthonomus grandis but also from other weevils; 2 males, Rio 

 Piedras Verdes in the Sierra Madre of Chihuahua (Townsend) 

 and Chinandega, Nicaragua (Baker); 2 females, Tifton, Georgia 

 (Morrison) and Maryland (Coquillett) ; 1 female (TD4291), 

 Oak Grove, Virginia (Townsend) Described from 1 male, Flor- 

 ida; also 1 female (TD509) recorded, White Springs, Fla. (Town- 

 send) Humid semitropical to middle austral, reaching edge of 

 transition of Sierra Madre region north and south. 



Eulcewia madrensis 3 males, Colonia Garcia, Rio Piedras 

 Verdes and San Pedro de Madera in the Sierra Madre of Chi- 

 huahua, 7,000 to 8,000 ft. (Townsend); 2 females, Las Visayas 

 in the Sierra Madre of Chihuahua, 7,000 ft. (Townsend) and Mex- 

 ico City (0. W. Barrett) Transition of the northern to central 

 Sierra Madre region. 



Type: Cat. No. 19670 U. S. N. M. (Male, S. Pedro de 

 Madera.) 



NOTE ON BIOGEOGRAPHIC ZONES. 



For purposes of geographic ecology, the following main life 

 zones will be found most convenient and have been used in the 

 present paper: 



1. BOREAL Humid mountain areas of cool coniferous forest, 

 mainly spruce, fir, aspen, dc. 



2. TRANSITION Humid mountain areas of open pine forest. 



