SCARABiEIDAE. 13? 



commonly known as rose-bugs, and are very destructive to roses 

 ■when ;n bloom. They are elongate, brownish insects, densely 

 covered with ochreous scales, so as to appear yellow ; the tarsi 

 are very long ; the claws long, slender, diverging, cleft at tip ; 

 the fifth ventral segment and propygidium are counate, forming a 

 solid ring, and the last spiracle is placed on the suture. The 

 labrum is not connate with the clypeus ; the mentum is narrow, 

 and channelled ; the anterior coxae are conical and prominent ; 

 the ventral segments are not connate, and the legs are slender. 



Sub-Tribe 5.— Sericoidini. 



This sub-tribe, as defined by Lacordaire, differs from the others 

 having conical, prominent anterior coxae, by the labrum being 

 distinct, and the mentum not elongate and channelled, as in Ma- 

 crodactyli. I have separated a portion having chelate ungues 

 to form the sub-tribe Dichelonychini, and refer to the genuine 

 Sericoides, a curious genus found in Florida, although I am not 

 able to determine to what foreign genera it is allied. 



The ligula is connate with the mentum, which is concave ; the 

 labrum is short and emarginate; the mandibles not prominent; 

 the clypeus very thick, margined in front; the antennae 10-jointed, 

 the third, fourth, and fifth joints closely connected; the club 3- 

 jointed, elongated in the males ; the last spiracle is placed on the 

 suture between the connate fifth ventral and the propygidium ; 

 the ventral segments are six, not connate ; the legs are stout, the 

 hind femora and tibiae much thickened ; the inner claw of the 

 anterior tarsi, and the outer claw of the middle tarsi (at least of 

 the male), is suddenly and broadly dilated at base into a large 

 rounded prominence. 



I have named this genus Hypotrichia. It is an oval, elongate 

 insect, half an inch long, of a piceous color, finely punctured 

 above, with the thorax transverse, rounded, covered with short 

 grayish hair ; body beneath densely clothed with long hair ; ely- 

 tra finely punctured and pubescent. The species is H. sjnssijjes. 



Sub-Tribe 6.— Wiplotaxini. 



Small, oblong, slightly convex species, usually brown, with the 

 elytra most frequently marked with rows of punctures alternately 

 approximate, with the wider spaces irregularly punctured. They 



