184 PKOCEKDiNGS OP^ THE ACADEMY OF [Feb., 



the shape of the pronotum, a condition found in most of the species of 

 the genus. 



Specimens Examined. — Five males; Jalapa, \'era Cruz, Mex. (Bar- 

 rett). (Acad. Nat. Sciences Phila.) 



Homoeogamia azteca Saiissure. 



1893. [Homceogamia] azteca Saussure, Revue Suisse de Zoologie, I, fasc. 2, 

 p. 296. [Mexico.f 



1894. Homceogamia azteca Saussure and Zehntner, Biol. Cent.-Amer., Or- 

 thopt., I, p. 106. [Omilteme, Guerrero, Mexico.] 



1903. Homoeogamia mexicana Rehn, Trans. Amer. Ent. Soc, XXIX, p. 5 

 (Part). [Uruapan, Michoacan, Mexico.] 



c^. "Antennae rufescent. Pronotum fuscous or rufous, a httle 

 heavier granulate than in //. mexicana. Eyes sub-contiguous. Elytra 

 castaneous at the base, sparsely tuberculate, from here densely 

 sprinkled with small white maculations, tips griseous; veins of the 

 discoiclal area arcuate. Wings hyaline, humeral and discoidal veins 

 partly fuscous; costal i-egion beyond the middle infuscate, margin 

 narrowly yellow; apical margin and part of the posterior very narrowly 

 infuscate. Feet rufo-castaneous, coxse and femora more or less testa- 

 ceous. Posterior metatarsus of the c? equal in length to the other 

 joints combined, longer than a fourth of the tibia. Abdomen castane- 

 ous, pallid at base, margins with fulvous fimbrise, which are shining 

 rufous. Cerci rufescent. Supra-anal plate testaceous, apex with a 

 minute triangular incision, bilobate; sub-genital plate with the margin 

 rufescent, broadly subsinuate, styles lateral. 



"Length 21-23; elytra 32-34.5; pronotum 6.5-7.5, width of pro- 

 notum 10.75-12 milhm." 



9. Size large; form elliptical; surface sub-scabrous. Head with 

 the interspace between the eyes less than that between the ocelli; 

 antennse short, slightly more than half the length of the body. Pro- 

 notum elliptico-fusiform ; anterior margin strongly arcuate, posterior 

 gently ai'cuate; lateral angles slightly produced posteriorly. Tegmina 

 with the lateral margins parallel in the joroximal half; apex sub- 

 acuminate, narrowly rounded; veins and nervures indistinct and 

 slightly marked. Scutellum considerably exposed. Abdomen broad, 

 flat. Supra-anal plate produced, rotundate, narrowly emarginate cen- 

 trally. Sub-genital plate compressed, rostrate, divided; penultimate 

 segment with the apical margin triangular!}' arcuate. Metatarsi in 

 no case exceeding half the length of their respective tarsi. 



General color dull blackish-brown, obscurely blotched with yellow- 

 ish-brown. These blotches are larger toward the apex of the teg- 

 mina. Under surface dull red-brown ; coxie, limbs, abdomen, terminal 



