422 SEEEICOENIA. 



Hab. Guatemala, near the city, and Chinautla (Salvin), Duenas (Salvin, Champion), 

 Zapote, San Geronimo (Champion), Tecpan (Conradt). 



Found in plenty at Duenas and Zapote. This insect is perhaps nothing more than 

 a local form of A. chiriquensis, from which it differs in being less robust and narrower. 

 The males have the thorax nearly as long as broad and very little wider at the base 

 than at the apex, and the antenna? very elongate. Some of the Zapote specimens have 

 the thorax more closely punctured. The variety is represented by three examples 

 from San Geronimo, where also the typical form was obtained. A. vicinus may be 

 known from pallid examples of A. lateralis, var. concolor, by the more elongate 

 antenna? in the male, as well as by the ferruginous legs and antenna?. 



A typical male from Duenas is figured. 



8. AptopilS lateralis. (Tab. XVIII. figg. 23; 24, var./3; 25, var. 7 , basalts; 

 26, var. e ; 27, var. £.) 



Cardiophorus lateralis, Erichs. in Germar's Zeitschr. fur Ent. ii. p. 330 (1840) . 

 Aptopus lateralis, Cand. Monogr. Elat. iii. p. 233, t. 4. figg. 4,4a 2 . 



a. The prothorax rufous, with a black median vitta; the elytra black, each with a testaceous or rufo- 

 testaceous mark at the base ; the legs piceous or black. (Fig. 23.) 



Hab. Mexico 1 2 (coll. Janson), Puebla and Cuemavaca (Salle), Cholula, Matamoros 

 Izucar, and Atlixco in Puebla, Mexico city (Hoge). 



(3. The prothorax entirely rufous ; the elytra as in a ; the legs varying in colour from black to testaceous. 

 (Fig. 24.) 



Aptopus lateralis, Cand., var. a, loc. cit. 3 



Hab. Mexico 3 (coll. Janson), Durango city, Matamoros Izucar in Puebla, Tacambaro 



in Michoacan (Hoge), Puebla, Cuernavaca, Guanajuato (Salle), Chilpancingo in 



Guerrero (Hoge, H. H. Smith), Tepetlapa in Guerrero (H. H. Smith). 



y. The prothorax black ; the elytra as in a ; the legs piceous or black. (Fig. 25.) 

 Cardiophorus basalis, Erichs. in Germar's Zeitschr. fur Ent. ii. p. 330 4 . 



Hab. Mexico 4 (coll. Janson), Cuernavaca (Salle, H. H. Smith), Chilpancingo [Hoge). 



1. The prothorax black ; the elytra testaceous, with the suture broadly, and sometimes the sides also, black : 

 the legs brownish or black. 



Hab. Mexico, Guanajuato (Salle). 



e. The prothorax black ; the elytra reddish-brown or testaceous, the suture sometimes very narrowly black ; 

 the legs brownish or black. (Fig. 26.) 



Hab. Mexico, Durango city (Hoge), Puebla, Cuernavaca, and Cordova (Salle), 

 Chilpancingo (Hoge, H H. Smith). 



£. The prothorax rufous ; the elytra as in 3 ; the legs brownish or black. (Fig. 27.) 



Hab. Mexico, Guanajuato (Salle). 



