IIVDKOl'OUUS. 103 



fj. Elytra black, wiLli outer luargiii and ioiir 



irrei;ular, iiioro or less interrupted longitudinal 



lines yellow. 



Head and thorax black, sides of latter rather l)roadly 



red-yellow ; imder-side black ; legs red-yellow. L. 1 .} 1. 



Common. H. flavipes, 01. 



4, Elytra black, with outer margin, a toothed 



oblique band at l)ase and some oblicpie cur\'ed 



lines on the hinder half (attached to margin) 



yellow. 



Head and thorax black ; under-side black ; legs yellow. 



L. 1^ 1. llather common. H. Icpidus, 01. 



III. Thorax with an abbreviated stria on each side 

 and a feeble transverse impression at base. 



1, Body short oval. 



Upper-side yellow ; thorax with a dark transverse l)and 

 on disc ; elytra with four broad black lines (often touching 

 one another), and two short outer lines in middle, first line 

 thinner in middle, fourth line abbreviated behind. L. l\ 1. 

 Common. H. rivalis, Gyll. 



2, Body long oval. 



A A. Head light Ijrown near eyes and at base 

 only. 

 Upper-side pale brownish-yellow ; thorax with two dark 

 transverse lines, usually interrupted ; elytra with suture 

 and seven lines black, of these lines the third reaches 

 farthest forward, the fifth, sixth, and seventh are ablne- 

 viated behind, the seventh (or sixth and seventh) twice 

 interrupted. L. If 1. Common. 



H. sejjtentrionalis, Gyll. 



B B. Head with a large dark brown V-shaped 

 spot on forehead. 

 Upper-side brownish-yellow ; thorax transversely im- 

 pressed on each side before base, the impressions black 

 and connected by a black line; elytra with seven longi- 

 tudinal black lines, the seventh interrupted. L. 2 1. 

 Common. ^. Davisi, Curt. 



IV. Thorax without impressed lines. 



1. Upper-side very finely reticulated and also more 

 or less closely covered with larger, shallow punc- 

 tures. 



