520 SEER1COENIA. 



Hab. Nicaragua, Chontales (Belt) ; Panama, Volcan de Chiriqui 2500 to 4000 feet 

 (Champion). 



Seven examples from Chiriqui and one from Chontales. Differs from most of the 

 other Central-American species in its fusiform shape ; the elytra are pointed behind ; 

 the thorax is transverse, strongly narrowed in front and constricted behind, with long, 

 narrow, and acute hind angles. A. acutus is nearest allied to A. lateralis, but easily 

 separable from it by the pointed elytra and the anteriorly narrowed thorax, the sides 

 of which are more rounded in front and more constricted behind. The insect varies 

 greatly in colour. In one specimen the thorax is black and the elytra are brown ; in 

 another the thorax is rufous and the elytra are black. A Chiriqui specimen is figured. 



14. Agriotes lateralis. (Tab. XXIII. fig. 2.) 



Agrioles lateralis, Cand. Conipt. Rend. Soc. Ent. Belg. 1878, p. cxciii (Elat. Nouv. ii. p. 48) \ 

 Hab. Costa Eica l ; Panama, Bugaba, Volcan de Chiriqui (Champion). 



Var. a. Black, the elytra with the suture and a submarginal stripe cinereo-puhescent. 



Hab. Costa Rica (coll. Janson). 



Found in plenty in Chiriqui. This insect, in its vittate form, somewhat resembles 

 A. quadrivittatus, except that the usual discoidal black patch on the thorax is oval or 

 oblong (instead of transverse) and the elytra are considerably more elongate; the punc- 

 tuation of the thorax and elytra is also less dense. The colour is variable : the thorax 

 in some specimens is black, and in others ferruginous ; the elytra in typical examples 

 are piceous or fuscous, with a submarginal flavous vitta (this and the suture being 

 clothed with yellowish-cinereous pubescence), sometimes entirely brownish testaceous 

 or black. We are indebted to Dr. Candeze for one of his types. The variety a is 

 represented by a single example ( S ) in the Janson collection. A specimen from 

 Bugaba is figured. 



15. Agriotes trivittatus. (Tab. xxill. fig. 3.) 



Moderately elongate, fusiform, rather shining ; black, the prothorax and propleurae ferrugineo-testaceous, the 

 prothorax with two curved brown or reddish-brown vittse on the disc, the vittse extending from the base 

 to near the apex and narrowing in front and behind, the elytra with a rather broad testaceous vitta on 

 the outer part of the disc extending from the shoulder to near the middle, the metasternum and abdomen 

 brownish at the sides, the antennas blackish-brown, with the basal one or two joints testaceous, the legs 

 testaceous ; thickly pubescent, the pubescence yellowish-cinereous on the head, prothorax, except on the 

 dorsal vittae, where it partakes of the ground-colour, scutellum, and under surface ; the elytra with the 

 suture and a sharply defined stripe on the outer part of the disc (covering the shorter vitta, narrowing 

 behind, and extending to near the apex) clothed with yellowish-cinereous pubescence, that on the rest of 

 tbeir surface blackish-brown. Head densely, finely punctate ; antennae about reaching the hind angles 

 of the prothorax, joints 2 and 3 equal in length, 3 slightly shorter than 4. Prothorax convex, slightly 

 broader than long, rounded at the sides, the latter converging from the middle forwards, and slightly 

 converging and feebly sinuate behind ; the hind angles moderately long, not divergent, and very finely 



