]106 FAMIIjY ]>I1I. CJIKVSOJlELlD.i;. 



fully so," but the beginner will evidently class the tips as rounded, 

 and I have therefore placed it in the present group. 



B. pusilla Say, greenish or coppery-bronzed, second and third 

 antenna! joints equal, length 6-S mm., ranges aci-oss the northern 

 United States, has been recorded from Michigan and perhaps oi'- 

 curs in northern Indiana. 



12036 (6541). DONACIA emakginata Kirby, Faun. Bor. Amer., IV, 1837, 224. 

 Elongate, slender, convex. Dark metallic blue, rarely purple or bronzed ; 

 antennce black, the joints often reddish at base, second and third .ioints 

 nearly equal. Thorax longer than wide, median line distinct, sides with a 

 rounded tubercle on apical half; surface minutely rugose, finely and densely 

 punctate. Elytra with an Impression in front of middle, rounded at tip; 

 sutural margin strongly sinuate on apical fourth; intervals feebly convex, 

 transversely rugose. East dorsal segment of male emarginate. Length 6- 

 7 mm. 



Lake County; frequent locally. May IS-June 15. Taken by 

 beating tall sedges along sloughs near Pine. 



2037 (6545). Donaoia metallica Ahrens, Neu. Schrift. Ges. Halle, I, 



1810, 33. 

 Elongate, rather slender, convex. Culor variable, usually greenish nr 

 bronzed, sometimes blackish, strongly shining. Second and. third anteunal 

 joints subequal. Thorax longer than wide, narrnwed near base, tubercles 

 on sides evident but feeble, median line fine ; disk minutely rugulose, finely 

 and rather densely punctate. Elytra convex, tips roimded, punctures rather 

 coarse ; intervals almost flat, nearly smooth. Length 5.5-7 mm. 



Lake County, scarce; Marion County, frequent at Crow's Nest, 

 near Broad Ripple, on the base of the lea\'es of skunk cabbage, 

 Symplocarpus fwhdva Salisb., April 26-l\ray 15. 



2038 (6546). Donaoia flavipes Kirby, Faun. Bor. Amer., IV, 1S37, 223. 

 Elongate, rather slender, convex. Bronzed coppery, rarely dark blue, 



shining; antennas and legs reddish-yellow. Antennte rather robust, third 

 joint one-third longer than second. Thorax one-half longer than wide, me- 

 dian channel wide, rather deep; tubercles on sides large, rounded, sonu^ 

 what prominent; surface finely transversely rugose. de\isely and minutely 

 punctate. Elytra usually with two shallow transverse impressions near 

 middle; punctures coarse, quadrate; intervals strongly transversely rugose; 

 distinctly sinuate near the tips, which are rounded. Slesosteruum nar- 

 rower than coxaj; first ventral segment shorter than metasternum. Lengtli 

 7-8.5 mm. 



Noi'thern half of Stale, common; not takeu south of Vigo and 

 Wayne counties. May 5~June :I5. Cicenrs on reeds, rushes and the 

 arrow-alum, PcUandra ^iiidulain Raf. Mating Mav 21, 



