BIOLOGIA CENTRALI-AMERICANA. 



ZOOLOGIA. 



Class INSECTA. 

 Order COLEOPTERA. 



Tribe SERRICORNIA. 

 Fam. BUPEESTID^l. 



This family is very well represented in Central America ; and the largest, and at the same 

 time nearly the smallest, species of the family occur there. The presence of the largest 

 Buprestid here is worthy of note, because the larger species of the family are remarkably 

 absent, and between Euchroma (which measures 2 \ or 2 J inches in length) and the next 

 in size, Chalcophora (which is only 1^ inch long), there is a great gap. In, the Old World 

 the large Catoocantha bicolor is accompanied by smaller species of the same genus, and 

 there is a gradual diminution in size through the following genus Chrysochroa. 



The species are chiefly referable to the genera Psiloptera, Aemceodera, Actenodes, 

 Chrysobothris, Agrilus, and JBrachys. The genus Conognatha, so numerous in Brazil 

 and on the Amazons, is only represented at the time we are writing by a few specimens 

 of two or three species. 



CHALCOPHOEA. 

 Chalcophora, Solier, Ann. Soc. Ent. Fr. 1833, p. 278 ; Laporte & Gory, Mon. Bupr. p. 7. 



The species of this genus are recorded from China, Japan, Europe, North America, 

 and Guadeloupe; the following species therefore show an extension in the range of 

 distribution. . • 



1. Chalcophora mexicana. (Tab. I. fig. 1.) 



C.virginiensi affinis; thoracis lateripus ante medium angulatis, postice sinuatis, carina mediana latiore minus 



elevata ; elytris impressionibus rugulosis cupreis notatis, intervallis fortiter punctatis. 

 Long. 13 lin. 



Eab. Mexico, Oaxaca (coll. Brit. Mm.). 



This species is very close to C. virginiensis ; but all the impressions on the thorax and 

 biol. cente.-amee., Coleopt., Vol. III. Pt. 1, February 1882. B 



