64 Mr. G. C. Champion's Revision of the Mexican 



base of the prothorax excepted), the elytra in the type fusco- 

 bivittate on the disc and for the rest pale testaceous. Eyes moder- 

 ately large. Antennae very long, slender, and sparsely pilose in 

 both sexes. Prothorax transverse ; the sides in cJ subparallel, and 

 with a narrow, deep, oblique notch at about the basal third, in $ 

 broadly explanate, and sinuate or, at most, feebly rounded. Elytra 

 very long, moderately explanate from a little below the shoulder. 

 Inner claw of anterior and outer claw of intermediate tarsi broadly 

 lobed, and outer claw of posterior tarsi deeply cleft, in c^*- 



(J. Eighth ventral segment short, rapidly narrowed, arcuato- 

 carinate down the middle at the apex, the apex itself rounded; 

 internal sac, as seen evaginated, with a long, greatly developed, 

 wing-like, acuminate process on each side, a pair of stout, laterally- 

 projecting hooks at the base, and two long spines on each side of 

 the central tube. (Fig. 22.) 



Hab. Guatemala, Las Mercedes [(^] and Cerro Zunil, 

 Pacific slope ; Costa Eica; Panama, Chiri qui. 



One male and eight females seen, the two from Chiriqui 

 almost wholly testaceous, and one of those from Cerro 

 Zunil with the legs and elytra black. The tarsal claws 

 of the male are formed as in D. normale, perplexum, and 

 luridum. This is one of the largest known species of 

 Discodon. The genital armature of the male, as seen with 

 the internal sac evaginated, is very remarkable. 



60. Discodon albolateris, n. sp. 



Cantharis albolateris, Sturm, in litt. 



Discodon sp. ? (No. 2a), Gorh., Biol. Centr.-Am., Coleopt. 

 iii, 2, p. 285 ($). 



$. Elongate, broad, opaque, finely pubescent; brownish-black, 

 the anterior portion of the head and the prothorax (a broad median 

 vitta excepted) i^ale flavous. Head broad; antennae rather 

 slender, not reaching the middle of the elytra. Prothorax strongly 

 transverse, wider than the base of the elytra, truncate at the apex 

 (as seen from in front), explanate at the sides, the latter sinuate, 

 rounded anteriorly, and gradually converging from near the base. 

 Elytra extremely elongate, moderately explanate from a little 

 below the shoulder. 



Length (excl. head) 15|, breadth 6^ mm. 



Hab. Mexico {Sturm, ex coll. Salle). 

 Gorham having quoted Sturm's MS. name for this 

 species, a description is appended, though a single female 



