88 BULLETIN 85, UNITED STATES NATIONAL MUSEUM. 



Described from several males and females from: Washington, 

 District of Columbia (Koebele), February to May, 1884; Virginia 

 (no data) ; Holderness, New Hampshire (Koebele) ; Jamaica, Long 

 Island (Sirrine), October 11. Reported (Patch '12b: 230) at Orono 

 and Sebago Lake, Maine, on blackberry bushes, August, 1904 and 

 1911; said to be abundant on this host plant. Reported also from 

 several localities in New York State. 



The nympThS and pupse are yellowish and pellucid, the head and 

 thorax being a deeper yellow than the rest of the body; eyes are 

 dark red; meso- and metathorax sometimes pale green. They are 

 surrounded by flocculent, white fluff on the ventral surface of the 

 blackberry leaves (Patch '12b: 230). Both nymphs and imagines 

 found in August. 



TRIOZA ARIZONA Aulmann, 



Figs. 189, 357, 363, 515. 



Tnozo Tnar^mato Crawford '10a: 232; '10b: 356. —Patch '12b: 228. 

 Trioza arizonse Aulmann '13:39 (new name). 



Length of body 2 mm ; length of f orewing about 3 ; width of head 

 0.70. General color light brown, mesoscutellum often with two 

 darker stripes; antennae and legs lighter colored; abdomen pale 

 ventrad. 



Head narrower than thorax, much broader than prothorax ; vertex 

 slightly impressed discally and postocellar areas well elevated, about 

 twice as broad as long, scarcely emarginate in front at median line. 

 Genal cones about two-thirds as long as vertex, sUghtly divergent, 

 subacute, sparsely pubescent. Antennae about one and a half times 

 as long as width of head. 



Thorax strongly arched, moderately broad ; pronotum very short, 

 much longer than praescutum. Hind tibiae with two small spines 

 at apex witliin and one outside. Wings slender, nearly three times 

 as long as broad, subacute at apex, with a more or less pronounced 

 brown band along posterior margin. 



Genitalia. — Male. — Anal valve with a relatively large lobate pro- 

 jection caudad on each side, somewhat as in maura; forceps slender, 

 simple, acute, and slightly toothed on inner margin apically. 

 Female. — Genital segment short, scarcely longer than preceding 

 segment, very acutely pointed; dorsal valve slightly longer than 

 ventral. 



Described from one male and several females from Arizona (no 

 data), and one from Fort Yuma, Arizona (Hubbard), January 20. 



Type.— Cat. No. 18087, U. S. Nat. Mus. (Type of T. marginata.) 



This species shows a marked resemblance to T. maura, but is 

 sharply differentiated from it by the maculation of the wings. 



