Longicornia of Mexico and Central America. 267 



and posterior part of the elj'tra are of a dark olivaceous colour, 

 varied with greyish and fuscous ; near the apex is a fuscous 

 olivaceous spot with a margin of pale fulvous. Body underneath 

 with a greyish pubescence. Dorsal plate of the last abdominal 

 segment of the male narrowly but very deeply emarginate, ventral 

 plate feebly emarginate. Last abdominal segment of the female 

 produced as in Asfi/nomns, the dorsal valve attenuated and sharp- 

 ened at the extremity, the ventral valve narrowly emarginate. 



Phcea jihthisica, Bates. 



Biologia C. A., Col., vol. v., p. 197. 



To the localities previously recorded may be added 

 Mexico, Tapacbula in Chiapas, and Jalapa in Vera 

 Cruz {Hor/e). 



A number of examples of the variety described by 

 Bates {I. c, p. 425) have also been taken by Mr. H. H. 

 Smith at Teapa in Tabasco. In this variety there is a 

 fulvous vitta on each side of the disk of the prothorax, 

 and the anterior margin of the disk is also fulvous. In 

 the normal form the anterior margin only is fulvous, 

 though sometimes there are traces of the lateral vittse. 



Phcca unicolor, sp. n. 



P. tenuatcB afiinis sed major et omuino nigra. Long. 8'5 mm. 



Hah. Mexico, Omilteme in Guerrero, alt. 8000 ft. 

 (//. TI. Smith). One example. 



Entirely black and nitid ; slightly obscured only by some faint 

 greyish setae. Strongly and closely punctured. Prothorax cylin- 

 drical, slightly constricted at the base, where there is a tolerably 

 distinct transverse groove ; with a much feebler transverse groove 

 close to the anterior margin ; the disk without any trace of an 

 umbone. 



This species has a similar elongate and slender form 

 to P. tenuata, Bates, and agrees very closely with this 

 species in most other respects. It is, however, some- 

 what greater in size, and is entirely black. 



Tetraopes feynoratus, Lee. 



Journ. Acad. Philadelphia, ser. 2, vol. i. (1847), p. 93 ; 

 vol. ii., p. 157 ; Horn, Trans. Amer. Ent. Soc, vol. vii. 

 (1878), pp. 48 and 49. 



y2 



