THE CLICK BEETLES. 74'J 



KEY TO INDIANA SPECIES OF GLYPHONYX. 



a. Front of clypeus distinctly augulatecl. 



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



r. Larger, more robust; third and fourth tarsal joints lulled beneath; 



length 5.5-0 mm. 1402. RECTICOLLTS. 



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



length 4.5-5 mm. 1403. INQUINATUS. 



hh. Color uniform dull reddish-yellow or "ruto-testaceous" ; length 4- 



5.5 mm. 1404. TESTACEUS. 



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



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



1402 (4209). GLYPHONYX KECTICOLLIS Say, Journ. Phil. Acad. Nat. Sci., 



Ill, 1823. 108; ibid. II, 100, 022. 



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

 and sutural margins dusky; legs and antenna.- paler. Clypeus strongly de- 

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

 antenna? 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 

 striae punctate; intervals subconvex, with numerous minute punctures. 

 Length mm. 



Southern two-thirds of State; frequent. March 8-November 1. 

 Readily known from the next three by its larger size. 



1403 (4302). GLYPHONYX INQUINATUS Say, Trans. Amer. Phil. Soc., VI. 



1830, 175; ibid. II, Oil. 



Elongate-oblong, slender. Pale brownish-yellow, rather densely pubes- 

 cent with long yellowish hairs; 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. Elytra with finely punctured stri;e; intervals 

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



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

 Hibernates beneath rubbish along fence rows and in dry, open 

 woods; most frequent in June on vegetation. 



1404 (4300). GLYPHONYX TESTACEUS Melsh., Proc. Phil. Acad. Nat. Sci., 



II, 1S45, 219. 



Resembles rcetieollifi 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. (Mypeus acutely angulated at 

 apex. Length 4-5.5 mm. 



Throughout the State; frequent. April 6-December 23. Oc- 

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

 summer on foliage. 



