COLEOPTEKA. 447 



side. The menlum is encased (encadrc) inferiorly, and covers the 

 base of the maxillae. The third joint of the antennae is hardly longer 

 than the second, and the ninth and tenth are almost turbiniform(l). 

 Those of the third, or the 



Nyctelia, Lat. Zophosis, Germ. 



Are almost similar to the Zophoses, but the third joint of their 

 antennae is much longer than the preceding one; the following, as 

 well as the ninth and tenth, is nearly globular. The base of the 

 maxillae is exposed. Besides this, these Insects are peculiar to 

 South America, whilst the Zophoses and Erodii are exclusively con- 

 fined to the western and southern parts of Asia, and the south of 

 Europe and Africa(2). 



Other Pimelariae, terminating the subdivision of those in which 

 the labrum is not received into a deep emargination of the anterior 

 border of the head, and in which this last part of the body is neither 

 truncated before nor narrowed behind, are distinguished from the 

 preceding by the following characters. The middle of the anterior 

 margin of this part projects in the manner of an angle or tooth. 

 The labrum does not appear when the mandibles are closed, or but 

 very little. The thorax is sometimes trapezoidal, almost as long as 

 it is broad, and at others almost orbicular or nearly semicircular. 

 The antennae are filiform, and the eleventh and last joint is always 

 very distinct from the preceding one. The mentum is incased infe- 

 riorly and covers the base of the maxillae. The praesternum is 

 slightly prolonged into a point in several. These Insects, like those 

 of the two following subdivisions, are exclusively peculiar to the 

 hot and western countries of the eastern continent. 



Hegeter, Lat. 



The thorax forming a trapezium, almost as wide at the posterior 

 margin as the base of the elytra, and in contact with it throughout^ 

 the last joint of the antennae somewhat smaller than the preceding 

 one(3). 



Tentyria, Lat. Ikis, Fab. 



The thorax almost orbicular, sometimes narrower than the ab- 

 domen, and at others of equal width, but rounded at the posterior 



(1) See Lat, Gener. Crust, et Insect, II, p, 146. 



(2) Zophosis nodosa, Germ., Insect. Spec. Nov., p. 133. 



(3) Lat, Gener. Crust, et Insect., II, p. 157; I, ix^ 2; Pimelia silphoidet? 

 Oliv.; dnathosia glabra, Fischer, Entom. Russ., II, xx, 8. 



