1903. J NATURAL SCIENCES OF PHILADELPHIA. 185 



plates, labruin and basal joints of the antennae sprinkled with dull 

 golden hairs. Head except labrum and lower half of clypeus black; 

 ocelli reddish-orange; eyes brown. 



Length of body 22.7 mm. ; length of tegmina 21 mm. ; greatest width 

 of tegmina 9.5 mm.; length of pronotum 8.5 mm.; width of pronotvmi 

 14 mm. 



Distribution. — ^This species has been previously recorded only from 

 Omilteme, GuerrerO; Mex. The female from Uruapan. Michoacan, 

 which is here described, extends the range somewhat to the north. 



Specimens Examined. — One female; Uruapan, Michoacan, Mex. 

 (Rhoads.) (Acad. Nat. Sciences Phila.) 



Subgenus ARENIVAGA n. subg. 



Subgeneric Characters. — c'\ Size medium to rather small. Teg- 

 mina with the lateral margins gently arcuate; marginal field narrow, 

 equal to one-fourth of the sub-basal ^^ddth of the tegmina; veins in 

 the distal portion of the discoidal field obhquely transverse, straight. 

 Tarsi very slender and elongate; metatarsi of median limbs about as 

 long as the tibiee. 



9 . Adult unknown. 



Type. — Homceogamia bolliana Saussure. 



Homoeogamia bolliana Saussure. 



1893. [Homoeogamia] Bolliana Saussure, Revue Suisse de Zoologie, I, fasc. 2, 

 p. 296. [Texas.] 



1894. Homoeogamia bolliana Saussure and Zehntner, Biol. Cent.-Amer., 

 Orthop., I, p. 107. [New Mexico; Texas.] 



1900. [Homoeogamia] bolliana Scudder, Proc. Davenport Acad. Nat. Sci., 



VIII, p. 11. [Texas; New Mexico.] 

 1902. HomoEogamia bolliana Rehn, Trans. Amer. Ent. Soc, XXVII, p. 331. 



[Ptound Mountain, Texas.] 

 1902. Homoeogamia bolliana Scudder and Cockerell, Proc. Davenport Acad. 



Sci., IX, p. 19. [New Mexico; Las Cruces, N. M.] 



d^. Size medium; form elongate-elliptical; surface finely punctulate 

 on the pronotum, tegmina sub-coriaceous. Head with the interspace 

 between the eyes not more than one-half of that between the ocelli; 

 ocelli large, their upper surface in contact with the eyes; antennae 

 about equaling the body in length, basal joint comparatively large. 

 Pronotum fusiform or elongate pentagonous, the two extremes con- 

 nected by numerous intermediates ; the anterior margin is generally 

 more arcuate than the posterior, though in the elongate pentagonous 

 type they are sub-equal; median section with two narrow sub-parallel, 

 centrally ])laced impressed Hues, which are supplemented posteriorly 

 by two laterally i^laced, curved impressed areas; surface of the pro- 

 notum and anterior margin hirsute. Tegmina elongate, apex rounded; 



