THE CLICK BEETLES. T^:-" 



KEY TO INDIANA SPECIES OF GLYPHONYX. 



(I. P'ront of clypeus distinctly augulated. 



I. Head at least, and usually the sutural line, dusky. 



1-. Lnviiel-, more robust; third and fourth tarsal joints lobed beneatli ; 



length 5.5-G mm. 1402. becticollis. 



cc. Smaller, more slender; fourth tarsal joint only lobed beneath: 



length 4.5-5 mm. 140.3. inquinatus. 



Ob. Color uniform dall reddish-yellow or "rufo-testaceous" ; length 4- 



5.5 mm. 1404. testaceds. 



aa. Front of clypeus rounded or very obtusely angulated; color sooty or 



blackish-brown; length 4.5-5 mm. 1405. quietus. 



1402 (4299). Glyphonyx becticollis Say, Journ. Phil. Acad. Nat. Sci., 

 Ill, 182.3, 108; ibid. II, 109, 622. 

 Elongate-oblong, slender. Dull brownish-yellow ; head, disk of thorax 

 and sutural m.irgins dusky ; legs and antennfe paler. Clji^eus strongly de- 

 scending with the apex almost rectangular. Second and third joints of 

 antennae short, subequal, together one-half longer than fourth. Thorax as 

 broad as long, sides straight, rounded on apical fourth ; disk rather sparsely 

 and finely punctulate ; hind angles not carinate, scarcely divergent. Elytral 

 strise punctate ; intervals subconvex, with numerous minute punctures. 

 Length 6 mm. 



Southern two-thirds of State ; frequent. ;\Iarch 8-Xovember 1. 

 Readily known from the next three by its larger size. 



140.3 (4.302). Glypiio^'yx inqitnatus Say, Trans. Amer. Phil. Soc, VI, 

 1836, 175 ; ibid. II, 611. 



Elongate-oblong, slender. I'ale brownish-yellow, rather densely pubes- 

 cent with long yellowish hair.-^; head and often a narrow sutural line dusky. 

 Thorax slightly broader than long; sides nearly straight, slightly rounded 

 on apical fourth, hind angles acute, not carinate, feebly divergent; surface 

 finely and densely punctate, l-^lytra with finely punctured striic; intervals 

 nearly flat with minute punctures. Length 4.5-5.5 mm. 



Southern half of State; frequent. January 5-December 25. 

 Hibernates beneath rubbish along fence mws and in dry, open 

 woods; most frequent in June on vegetation. 



1404 (4300). Glyphonyx testaceis Melsh., Proc. Phil. Acad. Nat. Sci., 

 II, 1845, 219. 

 Resembles recticolUs but smaller and entirely dull reddish-yellow in 

 color. Thorax with sides straight except immediately at apex, where they 

 are rounded; hind angles not divergent. Clypeus acutely angulated at 

 apex. Length 4-5.5 mm. 



Throughout the State; frequent. April 6-December 2:i. Oc- 

 curs in spring beneath chunks and stones in sandy localities; in 

 summer on foliage. 



