56 



BULLETi:>^ 108, UNITED STATES NATIONAL MUSEUM. 



seven branches, median forked beyond middle. Body and legs rather 



densely short haired. 



Length to tip of wings, 9 mm. (Fig 41.) 



From Uvalde, Texas, June 25. Head and pronotum blacker than 



m A. arizonensis, which has a more or less yellowish head. 



Soldier. — ^Abdomen gray, legs white, mandibles red brown from 



beyond basal third; antennae brownish beyond middle, rest yellov/- 



ish, Head but little longer than 

 broad, a trifle broader behmd than in 

 front, sides faintly rounded; labrum 

 with rounded tip, broader than in A. 

 arizonensis; mandibles fully as long as 

 head, nearly straight for two-thirds 

 their length then evenly curved m- 

 ward, more slender than in A. arizon- 

 ensis; a little before the middle there 

 is a hooklike tooth, projecting from the 

 mandible only on inner edge. Gula 

 gradually narrowing from behind for- 

 ward. Antennae as m other species. 

 Body and legs with fine whitish hairs. 

 Length of head plus mandibles, 2.4 

 mm. (Fig. 42, 1.) 



From Mexico, Camargo (Busck) , and 

 collected by Snyder at various places 

 in Texas as follows: Browaisville, 

 Lloma Alto, Cameron Comity; Co tulla, 

 Lasalle County; Victoria, Victoria 

 County; San Antonio, Bexar County; Uvalde, Chalk Bluff, and 

 Laguna, Uvalde County; and El Paso, El Paso County; also Arizona, 

 Mesa (Morrill). (Fig. 40.) 



AMITERMES ARIZONENSIS, new species. 



Winged. — Shining light brown; clypeus, mouthparts, legs, pleura, 

 sternum, and venter pale; wings evenly brownish. Body clothed 

 with fine short yellowish hair; that on the head dark. Eyes cu'cu- 

 lar; about one-half their diameter from the lower margin of head, 

 ocelli rather large, slightly longer than broad, and about its short 

 diameter from eye; fontanelle scarcely above a line connecting tops 

 of eyes; antennae about one and a third times as long as width of 

 head, plainly thicker toward tip. Pronotum fully twice as broad as 

 long, broadest in front; sides sloping behind and broadly rounded 

 into hind margin. Wings fully twice as long as entire body; median 

 vein usually forked little beyond middle of wing, each branch divided, 

 and the upper usually twice divided ; the cubitus ends a little beyond 

 second third of wing, with five or six branches. 



Length, 9 mm. 



Fig. 40.— Distribution of Amitermes 

 tubiformans. 



