COLEOPTERA. 387 



the thorax. The presternum is always dilated or projected for- 

 wards in the manner of a chin-cloth. 



Here, the antennal club is perfoliaceous and not solid. In 



Atta genus, Lat. Megatoma, Lat. Dermestes, Fab. 



The club is very large, almost serriform, and composed of three 

 joints, of which the first and last, particularly in the males, are the 

 longest. The body is ovoid, short, aud but slightly convex. The last 

 joint of the maxillary palpi is larger and ovoid(l). 



Trogoderma, Lat., Dej. Jlnthrenus, Fab. 



Antennal club quadriarticulated at least; body ovoid and oblongj 

 palpi filiform(2). 



The antennal club is now solid or formed of crowded joints. The 

 body is ovoid, short, and completely covered with little deciduous 

 scales. The thorax is lobate posteriorly. In 



Anthrenus, Geoff. Fab. By rrhus, Lin. 



The antennae, terminated by a club in the form of a reversed cone, 

 are received into short cavities under the anterior angles of the 

 thorax. 



These Insects are very small, living on flowers in their perfect 

 state and in that of larvae devouring desiccated animal matters, in- 

 sects particularly. The larvae are oval and furnished with hairs, 

 some of which are dentated, forming tufts; the last are prolonged 

 posteriorly into a kind of tail. Their final exuvium serves as a 

 cocoon for the chrysalis. 



Ji. verbasci; Byrrhus verbasci, L.; Oliv., Col. II, 10, 1, 2, 

 Grey above, reddish-yellow beneath; the two angles of the 

 thorax, two transverse bands on the elytra, and a spot near their 

 extremity, grey(3). 



Globicornis, Lat. 



The antennae terminating in a globular club, and received into 

 fossulae extending to near the posterior angles of the thorax(4). 



(1) Dermestes serra, Fab.; Attagenus serra, Lat., Hist. Nat. des Crust, et des In- 

 sect , IX, p. 44; Megatoma serra, Id., Gener. Crust, et Insect., I, viii, 10; Anthre- 

 nus viennensis, Herbst., Col. VII, cxv, 10, k. 



(2) Anthrenus elongatus, Fab.; A. ruficornis, Lat. Gen. Crust, et Insect., II, p. 

 59; A. versicolor, Creutz., Ent. Vers., I, ii, 21, a; Dermestes subfasciatus, Gyll., 

 Insect. Suec, I, p. 155. 



(3) See Oliv., lb., and Fabricius, Syst. Eleut, I, p. 106. 



(4) Megatoma rujitarsis, Lat., Gener. Crust, el Insect,, II, p. 35; Dermestes riifi- 

 tarsis, Panz., Faun. Insect. Germ., xxxv, 6. 



