CERAMBYCID.E 37 J 



Clytoleptus n. gen. 



This genus differs from Clytanthus in the slender, subparallel and 

 more depressed form of the body, in the two subbasal pronotal 

 swellings, which are however obsolescent in the female and in the 

 long, very slender and filiform antennae; it also differs, so far as our 

 fauna is concerned, in the unmodified legs and anterior tarsi of 

 the male and in the narrower met-episterna. The only forms at 

 present in my cabinet are the following : 



Clytoleptus gracilicornis n. sp. Slender, parallel, very moderately 

 convex, dull, the elytra somewhat shining, piceous-black, the entire 

 elytra before the post-medial fascia, the prosternal coxal region and entire 

 sterna of the hind body pale testaceous, the legs and antennae infuscate, 

 the femora throughout testaceous; antennae (cf ) about as long as the 

 body, very slender, not incrassate distally, the second joint two-fifths 

 as long as the third, which is much longer than the first or fourth; pro- 

 thorax longer than wide, parallel, with evenly and broadly rounded sides 

 and feebly arcuate apex; surface with very short, fine, sparse and in- 

 distinct decumbent hairs and very finely, densely, confusedly punctate, 

 a little more strongly and granularly on the subbasal swellings; scutellum 

 pale, feebly pubescent; elytra as wide as the prothorax and between two 

 and three times as long, with a very fine line of condensed white hairs 

 from outer and basal third, curving rapidly forward to the suture just 

 behind the scutellum, and another a little wider from the side at posterior 

 third anteriorly and anteriorly arcuate to the suture just behind the 

 middle, the apex with loose and longer white hairs; middle and hind legs 

 (cf ) more equal than in Clytanthus and both very much longer than the 

 anterior, the middle femora but slightly clavate, the tibiae slender and 

 simple, the basal joint of the hind tarsi about a third longer than the 

 remainder. Length (cf, 9 ) 7.0-7.7 mm.; width 1.75-1.9 mm. Indiana. 



The hind femora of the male are but minutely bispiculate at tip 

 and extend slightly behind the elytra; in the female the legs gradu- 

 ally increase in length antero-posteriorly and the antennae are three- 

 fourths as long as the body. It differs from albofasciatus Lap. -Gory, 

 in the partially pale upper surface, but principally in the form of 

 the post-median elytral fascia, which in that species broadens 

 greatly toward the suture, so that its hind margin is almost trans- 

 verse. 



Clytoleptus tristis n. sp. -Body shorter and stouter than in the pre- 

 ceding and very deep black throughout, the tarsi piceo-rufous; head some- 

 what shining, finely and closely punctate; antennae ( 9 ) much less slender 

 than in gracilicornis, deep black, gradually picescent, very feebly tapering 

 and subfiliform distally, clothed with minute ashy hairs, a fringe of 

 longer hairs beneath basally, four-fifths as long as the body, the second 



