THE LEAP BEETLER. 11 S7 



c. Elyti'a with a submarginal black stripe. 

 d. Abdomen densely and finely punctured, subopaque and elotbed 

 with distinct pubescence. 

 e. Head coarsely punctured from side to side ; occiput piceous or 

 brown. 2192. quixquevittata. 



ce. Head smooth at middle. 



/. Discal black stripes of elytra narrower than yellow one each 

 side; head and body beneath always pale yellow; labrum 

 pale. 219.3. cabouxi.vx.v. 



//. Discal black stripes of el.\-tra as wide or wider than the yel- 

 low one each side; head and metasternum usually more 

 (iv less fuscous or plceous; labrum pieeous. 



2194. CKENICOLLIS. 



rid. Abdomen very sparsely punctured and shining, its pubescence 

 scarcely visible; thorax smooth; head rough; epipleuroe black. 



2195. GLAEEATA. 



fc. Elytra without a submarginal black stripe, the median stripe 

 broad ; thorax without spots. 21!ii;. abbeeviata. 



1th. Elytra without black and yellow stripes. 



ff. Elytra reddish, with a large discal black sjiot. 2107. discoidea., 

 00- Elytra blackish-blue or green. 



//. Body beneath and legs entirely black; thorax with three spots 

 arranged in a triangle; elytra punctate. 210s;. triangulaeis. 

 hh. Body beneath and legs, in part at least, yellow. 



i. Hind femora entirely or in part plceous; abdomen alone wholly 

 yellow ; elytra blue-black ; head wholly pieeous. 



2199. xanthosielena. 



//. Hind femora entirely yellow ; abdomen pieeous. its apex and 



sides yellow ; head bicolored. 



;. Elytra blue or violet; body oval. 2200. meixtcolus. 



jj. Elytra bright green; form more oblong. 2201. coliata. 



2101 f(iO."ii>). DisoxYCHA PEKXSYLVAXICA Illig., Mag. fur Insect. VI. 1S07. 

 146. 

 Oblong, nearly jiarallel. Head black, front yellow; thorax pale yellow, 

 usually with three black spots, the central one larger, truncate in front. 

 gradually narrowed behind; elytra whitish-yellow with the suture, a sub- 

 marginal stripe and a median stripe not reaching the apex, black: anteunre 

 and under surface, except the presternum and sides of abdomen, black ; 

 femora reddish-yellow, tibiie and tarsi usually black or pieeous. Thorax 

 more than twice as wide as long, side margins rather wide, surface shining, 

 nearly smooth. Elytra alutaceous. sparsely and finely but distinctly punc- 

 tate, and in the female often feebly sulcate between the discal stripes. 

 Length G.u-7.5 mm. 



Throughout the State, eommon; more so in the northern coun- 

 ties. February 11-Oetoher 29. Oc'curs on secl<;es and mints in 

 moist meadows. Hibernates beneath eover along the borders of 

 marshes and lakes. 



The eommon form, as above described, was named unigidtata 



