COLEOPTEUA. — CURCULIONID^E. 339 



and comprises the greater number of the species of which the sub- 

 section Ilhyncophora is composed. The antennce are distinctly 

 elbowed (^^^. 41. 8.) ; the basal joint being more or less elongated, 

 with the following joint inserted obliquely at its extremity, several of 

 the terminal joints forming a club occasionally of a very solid con- 

 struction ; the legs are of a moderate length ; the upper lip is 

 obsolete ; the femora often thickened in the middle, and spined 

 beneath; the palpi are minute and conical {fig. 41. 13, 14.) ; the max- 

 illas flattened, and having a series of strong seta; on the internal 

 margin ; the jaws are obtusely dentate, and arc placed, as well as the 

 other parts of the mouth, at the extremity of the rostrum, or produced, 

 part of the head (as in fig. 41. 12. extremity of rostrum of Hylobius 

 abietis from beneath ; 41. 13. maxilla ; and 41. 14. labium of the same 

 insect), which in some species is longer than the entire body; in others, 

 it is short and thick (Pachyrhinus, &c.), and is often lodged, when at 

 rest, in a pectoral groove (Cryptorhynchus, &c.) ; its sides are furnished, 

 moreover, with two deeply lateral impressions, in which the basal 

 joint of the antennae is inserted [fig. 41. 5.*). Germar and Latreille 

 have observed that, in the short rostrated species, the mentum arises 

 in a line with the basal part of the oral orifice; but in the species with 

 an elongated rostrum, the mentum arises from a produced horny 

 part of the rostrum, forming a narrow footstalk, between which and 

 the lateral margins of the oral cavity the maxilla; are affixed. The 

 body is generally of an oval or rounded form, and narrowed in front. 

 The third tarsal joint is generally deeply bilobed (^fig. 41. 15.), and the 

 fourth and fifth joints (^fig. 41. 16.) inserted at the base of the 

 incised part of the third joint (these figures being taken from the 



Ahrens. Monogr. Deutchs. Kohrkaferartcn (Ncue Schrlft. Natur. Gcsellsch. 



Halle, vol. i. 1811. 

 Ratzeburg. Die Forst-Insccten. Berlin, 1837. 

 Perty. Del. An. art. Eraz. 

 Hope, in Trans. Soc. Ent. London, vol. i. 

 Zouhhof. Bullet. Soc. Imp. Nat. Mosc. torn. i. 1829. 

 Gxi6rin and Percheron. Gen. ties Ins. Col. pi. 1.3. 

 Boisduval, in Voyage de l' Astrolabe. 

 Zouhkoff, in Bull. Soc. Hist. Nat. Moscou, 1829. 

 Kluff, in Descr. Coleopt. Madagascar. 



Walton, in Ent. Mag. vol. v. p. 1. (G. Sitona, Polydrusus, I'liyllobus, and Aplon.) 

 Olivier, Stephens, Gyllcnhall, Pai/Iadl, §t. 



Z 2 



