46 Dr. Sharp on the RJii/ncJiophoroiis 



II. Antenn<B without acuminate appendage ; hind tihire 

 nearly straight at the extrcmitg behind; elytra 

 simply punctate-striate, witliout humeral denticles or 

 discoidal tubercles ; head slender, almost conical, 

 but little different in the two sexes. 



These characters are chiefly negative, but the group 

 is a quite natural one. 



Apoderus prteceVens, n. s. 



Niger, politiis, nitidus, antennis tibiis tarsis femoruinque pos- 

 terioruni basubus flavis, corpore supra et infra variabiliter flavo- 

 variegato ; prothorace conico, elytris seriatim subtiliter puuctatis. 

 Long. 7 mm. 



Mas ; pectore prominulo, mesosterno anterius in medio fisso et 

 utrinque tuberculo conico instructo ; segmento ultimo ventrali 

 medio pi'ofunde impresso, impressione utrique cristato, crista 

 setosa. 



Head similar in the sexes, conical, gradually narrowed from the 

 eyes to the articulation with the thorax, polished and shining. 

 Thorax very smooth and shining, almost conical, with the disc rather 

 more inflated and convex in the female than it is in the male. 

 Elytra very shining, with regular series of punctures that become 

 very fine behind, the interstices flat and without sculpture. 



The remarkable male characters make the identifi- 

 cation of this species easy. Usually there is a series of 

 transverse yellow marks across the elytra, a flavescent 

 mark behind the eye and on the base of the thorax, and 

 the ventral segments are more or less flavescent in the 

 middle ; but these yellow markings are variable : in 

 none of the specimens before me do they assume, how- 

 ever, the i^osition they occupy in A. carbonieolor, Motsch. 

 According to Faust, in Deutsche. Ent. Zeit., xxvi., 

 p. 293, A. carbonieolor must be a species allied to 

 A. prcBcelleus, and its male likewise presents a curious 

 conformation of the last ventral plate. 



Oyama and Nikko, in shady places in the forests. 



Apoderus balteatus. 



Ajwderus balteatus, Eoelofs, Ann. Soc. Ent. Belg., 

 xvii., p. 135. 



I have seen but few specimens of this species, and 

 cannot speak as to its variation. 

 Found in Kiushiu. 



