STIRETRUS. 27 
A. Pronotum more than twice as broad as long. 
1. Stiretrus crucifer. (Tab. III. fig. 9.) 
Stiretrus crucifer, Stal, Stett. ent. Zeit. xxiii. p. 85. 211; En. Hem. i. p. 23. 6. 
Hab. Mexico}. 
This species appears to be peculiar to Mexico; it has not as yet been received in any 
of the collections made in more southern portions of Central America. 
B. Pronotum not. more than twice as broad as long. 
2. Stiretrus cxeruleus. (Tab. III. fig. 10.) 
Stiretrus ceruleus, Dall. List Hem. i. p. 79. 41; Stal, Stett. ent. Zeit. xxiii. p. 85. 172. 
Stiretrus (Oncogaster) ceruleus, Stal, En. Hem. i. p. 24. 10. 
Hab. Muxtco!?2; Guatumata, Tocoy, Vera Paz (Champion). 
Two specimens referred to above differ slightly from the description of Mr. Dallas: 
neither has the base of the head beneath yellow; and in the Mexican specimen the 
basal third of the ventral spine is concolorous with the body. 
3. Stiretrus ruficeps. (Tab. III. fig. 12.) 
Stiretrus ruficeps, Dall. List Hem. i. p. 79. 61; Stal, Stett. ent. Zeit. xxiii. p. 85. 182; En, Hem. 
i. p. 26. 25; Walk. Cat. Het. i. p. 116. 13. 
Stiretrus lythrodes, Walk. (part. 6, c, d) Cat. Het. i. p. 115. 53, 
Hab. Mexico 2, Orizaba, Vera Cruz?; Honpuras 1. 
The specimen figured is from Mexico, and varies from the type in having only the © 
apical halves of the fore tibie bluish black. Other specimens have the legs wholly 
reddish orange, thus bearing a superficial resemblance to S. lythrodes, Germ. 
4, Stiretrus flavipes. (Tab. III. fig. 11.) 
Stiretrus flavipes, Stal, Stett. ent. Zeit. xxiii. p. 85. 19%. 
Stiretrus (Oncogaster) flavipes, Stal, En. Hem. 1. p. 24. 11. 
Hab. Muxico! (Hope coll. Oaford); Guarmmanta, San Geronimo, Vera Paz 
(Champion). 
5. Stiretrus nigritarsis. 
Stiretrus (Oncogaster) nigritarsis, Stal, En. Hem. i. p. 24, 12°. 
Hab. Mexico!, 
