LONGICORNIA. 385 
Differs. from other species in its almost uniform purplish-brown colour, the whitish 
wavy lines of the elytra in the majority of examples being quite obsolete (except a 
narrow posterior white border to the conspicuous dark purple-brown lateral spot). 
CCENOPCKUS (to follow the genus Lagochirus, p. 146). 
Cenopeus, Horn, Trans. Amer. Ent. Soe. viii. (1880), p. 117. 
One species only of this distinct genus, allied to Lagochirus, is at present known. It 
seems confined to Arizona and the neighbouring Mexican border-land. 
1. Coenopeus palmeri. 
Leptostylus palmeri, Leconte, New Species N. Am. Col. p. 238 (1878). 
Cenopeus palmeri, Horn, loc. cit. p. 118, t. 2. fig. 1”. 
Hab. Norta America, Arizona!.—Mexico, Northern Sonora (Morrison). 
LEPTOSTYLUS (p. 146). 
Leptostylus hilaris (p. 147). 
To the locality given, add :—Muxico, Cordova (Sallé); Panama, Volcan de Chiriqui, 
Bugaba, David (Champion). 
Leptostylus viridescens* (p. 148). 
To the locality given, add :—MeExico, Jalapa (Hoge), Cordova, Juquila (Salié). 
Leptostylus cineraceus (p. 148). _ 
To the locality given, add :—GuatEMaLa, San Isidro (Champion). 
Probably only a variety of L. gibbulosus, from which it differs in the much depressed 
centro-basal tubers, which are not darker in colour than the rest of the elytra, as in 
L. gibbulosus. 
Leptostylus hispidulus (p. 150). 
To the localities given, add :—Guatema.a, Torola (Champion). 
In fresh examples there is on the elytra, preceding the curved fascia, an oblique 
dusky bar ; both are margined anteriorly with lighter fuscous. 
Leptostylus gibbulosus (p. 150). 
To the localities given, add :—GuatremaLa, Chacoj in Vera Paz (Champion); Panama, 
Volcan de Chiriqui, Bugaba (Champion). 
The large series of examples show scarcely any trace of the usual large, brown, lateral 
* The name of this species is misprinted L. viridescen on p. 148. 
BIOL. CENTR.-AMER., Coleopt., Vol. V., August 1885. 8d 
