148 RHYNCIIOl'HORA — CURCULIONIDAE. 



and of breast and a spot at shoulder covered with yellowish 

 hairs ; legs scantily covered with gray hairs ; elytra with 

 alternate interstices raised, checkered with black and gray, 

 suture with two velvety black spots, united by a pale spot. 

 Club of antennae spindle-shaped. L. If 1. Common. 



C. verhasci, Fab. 

 2, The two black velvety sutural spots not united 

 by a pale spot. 



A A, Hinder sutural spot smaller than anterior 



one. 



Eed-brown ; covered rather closely throughout with 



greenish -gray hairs ; elytra with alternate interstices 



slightly raised, checkered with badly defined pale and 



brown naked spots, suture with two round, simple, velvety 



black spots, the hinder one smaller. Rostrum of female 



punctured in wrinkles and not narrowed toward apex. 



L. 2 — 2^ 1. Not common. 0. thapsus, Fab. 



J^ H, Sutural spots equal in size. 



Similar to C. thaioms but with sutural spots on elytra 



equal in size ; rostrum of female smooth and narrowed 



toward apex. L. If 1. Common. C. hortulanus, Marsh. 



II, Upper-side evenly covered with greenish-white 

 or greenish-gray matted hairs and also with erect 

 white bristles. 



Brown ; with matted hairs as above ; antennae and legs 

 reddish-yellow-brown ; suture of elytra with a small velvety 

 black spot somewhat before middle and a still smaller one 

 (sometimes absent) before apex. L. 1| — 2 1. Rare. 



C. olens, Fab. 



b. Thorax with brown basal spot. 



Brown ; upper-side closely covered with grayish-white 

 matted hairs, thorax with a large brown spot at base, elytra 

 with some interstices indistinctly raised, checkered with 

 brown and white, suture with a large quadrangular spot 

 (composed of small brown and black spots) on anterior 

 half and a large round velvety black spot, bordered with 

 white, before apex ; sides of thorax and breast thickly 

 covered with yellowish-white matted hairs. L. 1^ — If 1. 

 Rather common. C. llattariae, Fab. 



J5. Prosternum not excavated before coxae, entire in front ; 

 alternate interstices on elytra without rows of largei' 



