230 



RHYNCHOPHORA. 



\_Hypera. 



B. Shoulders much broader than base of thorax. 



a. Vertex of'liead distinctly clothed with scales 



b. Vertex of head with fine pubescence. 



a*. Elytra with a distinct series of small 



square black patches on the first and third, 



and more or less on the other interstices . 



b*. Elytra with alternate longitudinal bands 



of grey and white, but without distinct 



patches 



. Clothing of elytra consisting of finer scales which 

 are bifurcate behind or of hair-like scales or simple 

 hairs. 



1. Anterior tibia? with a tooth or raised angle to- 

 v/ards the middle of the inner margin ; elytra 

 with the alternate interstices raised, with longer 

 and shorter dark and light longitudinal bands, 

 but without small patches or irregular variega- 

 tion 



2. Anterior tibiae without tooth or prominence ou 



their inner margin. 



A. Upper surface with very long raised setae 

 which are also present on the tibiae ; thorax 

 dilated in front and strongly contracted before 

 base ; elytra regularly chequered with small 

 square black patches 



]{. Upper surface without or with compara- 

 tively short, but often distinct, raised setaa, 

 which are not present on the tibia?. 



a. Eyes snbconvex, short oval ; fourth joint of 

 funiculus of antennae longer than those on 

 each sidfi of it 



b. Eyes very flat, irregularly oblong ; fourth 

 joint of luniculus of antennae equal to the 



third. 



a*. Elytra broader and more ample ; size 

 Inrger ; setae on elytra recumbent behind 

 and scarcely visible if viewed sideways . 

 b*. Elytra narrower and less ample ; size 

 smaller ; setae on elytra always distinctly 

 raised and plainly visible if viewed side- 

 ways 



af. Elytra with a common dark spot at 

 base of suture, more or less triangular, 

 and extending beyond middle, but with- 

 out distinct dark patch at sides, 

 aj. Size smaller ; form less robust ; 

 thorax narrower, with the sides less 



strongly rounded 



bj. Size larger ; form more robust ; 

 thorax broader, with the sides more 



strongly rounded 



bf. Elytra without or with a more or less 

 pronounced abraded dark spot at base 

 of suture, never (except in very rubbed 

 specimens) reaching to middle ; sides 

 with a moreorless distinct dark patch. 

 aj. Size larger ; thorax with sides di- 



ll. RUMICIS, L. 



H. POLLUX, F. 



H. ALTEB4ANS, Stefih. 



H. POLTGOKI, L. 



H. TIGKINA, Boll. 



H. ELONGATN, Paylc. 



H. SCSPICIOSA, Herl/st. 



H. VABIABILIS, Herlst. 



H. MURINA, F. 



