DKMKTKIAS. 31 



proniincut; elytra yellow, suture ui'k'U brown beliintl, inter- 

 stices of the punctured striae difiusely punctured ; under- 

 side and legs reddisli-ycUow. L. 2 — 2h 1. Common. 



D. atricaijilhts, Lin. 



IJronUus. 



A. Elytra narrow and elongate. 



(i. Head elongate; thorax longer than broad. 



Head pitch-brown; thorax yellowish-red, posterior angles 

 rounded ; elytra yellow, with a brown spot (dilated behind) 

 along the suture, with faint punctured striae; under-side 

 reddish-yellow, sides of abdomen brown ; legs yellow. 

 L. 2 — 2| 1. Not common. D. longiccps, Dej. 



h. Head oval; thorax as long as broad. 

 Head dark brown ; thorax red, posterior angles right- 

 angles ; elytra light brown, apex darker, with strong punc- 

 tured striae; under-side reddish; legs yellow. L. 1| — "2\ 1. 

 Common. D. linearis, 01. 



J^. Elytra moderately broad. 



a, Elyti'a unicolorous dark-broAvn. 



I, Elytra with a row of larger impressions in sixth 

 interstice only. 

 Head dark red-brown, roundish ; thorax red-brown ; 

 elytra long, almost parallel-sided ; under-side brownish- 

 yelloAV ; legs yellow. L. 2f — 3 1. Tolerably connnon. 



D. ineridionalis, Dej. 



U. Elytra with a row of larger impressions in the 

 third and another in the sixth interstice. 



Head dark red-brown ; thorax red-brown ; elytra, some- 

 what dilated behind ; under-side reddish in front, dark- 

 brown behind ; legs yellow. L. 2h — 3 1. Tolerably com- 

 mon. D. agilis, Fab. 



h. Elytra brown and yellow. 



I. Anterior yellow spots on elytra not reaching side 

 margin. 



1. Body broader; length 2 — '1\ lines. 



Head l)lackisli, with fine striae l)etween eyes; thorax 

 red-brown, frequently blackish in middle, l)roader than long, 

 sides and angles rounded ; elytra dark-brown, with a large 



