ISO ^^^rII,Y ii. — rARABiD.T,, 



KEY TO GKOUPS OF INDIANA HARPALl S. 



a. Elvtia without a dorsal puncture on the third interval. Gioup .1. 



aa. Elytra with a small dorsal puncture on the third interval behind the 



middle and near the second stria. Group R. 



Group A. 



To this group as defined above belong our largest and most 

 common species. In the keys which follow the "accessory set;p" 

 refer to long bristles located about midway bet^^'een the ambula- 

 torial set'.v and the side of the abdomen. 



KEY TO I^'DIAXA SPECIES OF GEOUP A. 



a. Blyti'a distinctly, sometimes deeply, sinuate at tip ; abdomen without 



accessory setje. 



6. Color above not (or very rarely) black or piceous; thorax distinctly 



narrower behind the middle; elytra deeply sinuate, outer angle 



acute in female. 



(\ Pale reddish-brown above, elyti'a often darker; body elongate; 



length 14 or more. 330. erbaticis. 



vc. Jletallic green or coppery (very rarely black) ; length 9.5-10 mm. 



\"ikidl.e?;evs, 

 66. Uniform black, piceous or dark reddish-brown above ; elytra much 

 less deeply sinuate, the outer angle not acute in female. 

 (?. Mentum not toothed: legs black; length 21-2.5 mm. 



.")'^1. CALIGINilSlS. 



dd. Jlentum toothed; legs and antennse reddish-brown. 



e. Uniform piceous or dark brownish-red above ; thorax nearly 

 square, its side margins depressed, scarcely wider behind. 



f. Intervals of elytra more or less convex ; sides of tJiorax feebly 



rounded; length 12.5 mm. 332. fainus. 



ff. Intervals flat ; sides of thorax more rounded in front ; length 

 10.5-12 mm. 333. convivus. 



ce. Uniform black above. 



g. All the intervals of elytra of female densely ;nintate; in male 



those on sides only ; length 13.5-15 mm. :'i34. vagaxs. 



gg. Dlscal intervals of elytra of female not or sparingly punctate. 

 h. Thorax slightly narrowed in front, not narrowed behind; 

 region of the basal angles strongly depressed, densely punc- 

 tate. 335. PEXNSTLVAXICUS. 



lili. Thorax slightly narrowed behind, not narrowed in front; 



region of the basal angles feebly depressed. 



/. Larger. 13.5-16 mm. 



/. Thorax one-third or more broader than loui; ; sides of 



elytra not punetulate. :;:!G. compar. 



.;',/. Thorax nearly as long as broad; sides of elytra finely 



punetulate. .S3T. lonmor. 



ii. Smaller, 10.5-12 mm.; margin ol' thorax narrowly reddisli- 



bfdwn, translucent. S3S. erythropvs. 



