142 



THE ORDER OF OOLEOPTERA. 



the Ehynchitides, more elongate and depressed, with unarmed tibiae, 

 and free, usually bifid claws. 



The females roll up leav^es and deposit their eggs singly in the cavi- 

 ties thus made. The larva inhabits this cavity, and, when fully grown, 

 leaves it and goes into the ground to transform. N. A. genera : Attcla- 

 hus, Linn., 5 species j lihj/uehites, Herbst, 8 ; EugnamiHus^ Sch., 2. 



Sub-family APIONIDES. 



From a:r£rtv, a pear. Kostrum long, curved, cylindric or subulate ; 

 scrobes foreiform or pit-shaped. AutennsE not elbowed. Size small or 

 very small ; body iDcar-shaped, usually glabrous, and without wings. 

 Habits of the larva? various. Some live in seeds, especially those of the 

 leguminosiE. Some form galls on the stems and leaves of plants. Some 

 bore into the pith of certain plants and form a kind of cocoon of the 

 detritus or gnawed particles. Finally, some inhabit knots which they 

 form upon the roots of plants. Twenty-one N. A. species of the genus 

 Apion, Herbst, have been described. 



Sub-family CONOTRACHELEDES. 



Meaning having a conical thorax. With this sub-family we pass to 

 the sub-section of Apomerides (Apostasimerides, Lacordaire,) a term 

 (i''ig-68] derived from the Greek apo — apart, and 



\^^~^\>^- "'^^'^* — ^^^ thigh, in allusion to the greater 

 "iiJ-H-^ or less separation from each other of the 

 anterior coxa? ; whereas in all the preced- 

 ing sub-families these parts stand nearly 

 or quite in contact. The present is a 

 T :^^^$¥- transitional grou]) in this respect, the au- 

 i niffi'iiir terior coxa? being but slightly separated. 

 The rostrum is various as to length ; the 

 scrobes turn rapidly beneath, and are con- 

 coxoTRACHELus NENiTHAR, Herbst :— flucut behind, being imperfectly visible on 



Plnm aud peach cmculio — a, larva; b, ... 



pupa; c, beetle; d, a plum, showing the the sidcs. The ocuuir lobcs are advauced 



crescent slit made bv the female after 



depositing )ier egg— after Kiiey. SO as to nearly Or quitc covcr the eyes 



w^hen the rostrum is bent down. Thighs usually with a tooth on the 

 under side. Size small, or medium ; colors generally obscure. The 

 subfamily is exclusively American. Fourteen X. A. species have 

 been described. The notorious Plum-curculio, Conotrachelus normphar, 

 Herbst (Fig. G8), may be taken as an example of the genus aud its larva?. 



Subfamily CRYPTOKHYl^CHEDES. 



Eostrum varying in length, usually somewhat enlarged both at base 

 and tip (attenuated in Analcis.) Scrobes obhque. Autennie far from 



