134 RHYNCHOPHORA — CURCULIONIDAE. 



Short ovate, somewhat convex. Brownish-black, dull 

 antennae, tibiae and tarsi yellow-brown ; disc of thorax 

 with three parallel lines of grayish scales, various spots on 

 elytra (sutural one interrupted), and under-side of body 

 covered with whitish scales. Thorax short, with lateral 

 tubercles. Not uncommon. C. rugulosus, Herbst. 



2? 1. Thorax slightly constricted before 

 apex, anterior margin only slightly 

 raised. 



Oblong-ovate, somewhat convex. Black, dull ; antennae, 

 tibiae and tarsi yellow-brown ; under-side, central line and 

 sides of thorax, on elytra front half of suture, an oblique 

 spot reaching from shoulder to middle of disc and the apex 

 covered with white scales, interstices on elytra checkered 

 with brown and gray. Thorax much broader than long, its 

 lateral tubercles distinct ; elytra with fine striae, interstices 

 even, with small black tubercles before apex. L. 1^ 1. 

 Eare. C. arcuatus, Herbst. 



J5 h. Antennae black. 



A 1, Elytra with distinct markings. 

 a 1. Tibiae yellow-brown. 



Oblong-ovate, somewhat convex. Black, dull ; antennae, 

 tibiae and tarsi yellow-brown ; under-side closely covered 

 with white scales ; thorax with sides and a central line, 

 elytra with an oblique spot at shoulder, the apex and the 

 suture (except middle) covered with white scales. Thorax 

 scarcely broader than long, slightly constricted toward apex, 

 anterior margin only slightly raised, with central furrow and 

 lateral tubercles ; elytra with punctured striae. L. 1\ 1. 

 Eather common. C. melanostictus, Marsh. 



6 1. Tibiae black. 



A 2. Tarsi black. 



Black, slightly shiny ; thorax with lateral tubercles, and 

 with a whitish central line ; elytra with strong punctured 

 striae, strewn with white scales, condensed into a spot 

 below scutellum, on sides toward middle and at apex. L. 

 1| 1. Scarce. C. ettphorhiae, Bris. 



B 2, Tarsi red. 



Black ; tarsi red ; under-side rather closely, upper-side 

 rather scantily covered with whitish scales, forming spots 



