IMS FAMILY L1II. CHRYSOMELHX-E. 



shorter than cither the fifth or seventh. All four of the forms 

 )c"o.'.nixe.d by Horn cecur in Indiana. They were formerly in- 

 cluded under the genus Colaspis. 



KKV TO Sl'KCIKS OF ?\ 7 OnONOTA. 



<i. Clypeus much contracted between the bases of the antenn:e; surface 

 above finely punctate, beneath not or but little punctate. 



2 11' 7. CLYPEALIS. 



/(/. (Mypeus broad between the antenna 1 . 



/;. Form short, oval: punctuation of thorax simple; elytra without a 



cost a behind the umbone. 

 r. I'pper surface shining; metasternum not punctate on sides. 



212X. TRISTIS. 



<<: I'pper surface dull: metasternum coarsely punctate on sides. 



212!). CONVEXA. 



hit. Form oblong, subparallel : punctuation of thorax substrigose ; elytra 

 with distinct custa behind the umbone. this sometimes absent in fe- 

 male. 2130. PUNCTICOLLIS. 



2127 ( K>.:'.71 ). NODOXOTA CLYPEALIS Horn, Trans. Ainer. Entom. Soc.. XIX. 



is! 12. 231. 



Resembles ///*//* closely in form, size and general appearance. Color 

 usually bron/ed. shining. Keadily separated by the form of the clypeus. 

 which is distinctly narrowed between the insertion of antenna'. Punctures 

 of upper surface less distinct and more sparse. Length .8.5-4 mm. 



Southern half of State- frequent. June 17-Angust 9. Occurs 

 with tnxti*. 



212s (C.77S). NonoNOTA TRI.STIS Oliv.. Ent.. VI. isor,. Ss'.l. 



Oval, convex. Color variable, dull broii/.e. bluish or bluish-green; an- 

 Icnnie ]iale at base, the -five outer joints and legs piceous. Thorax more 

 Ilian twice as wide as long, front angles prominent, sides regularly curved, 

 finely and rather sparsely punctate. Elytra oval, convex, the umbone dis- 

 linct ; surface more coarsely punctate I ban thorax, the punctures in irregu- 

 lar rows, two or three of which occur between each interval. Males with 

 lirst joints of front and middle tarsi distinctly dilated. Length o-4 mm. 



Throughout the State; common. May 24-Auimst 8. Occurs en 

 various herbs and shrubs in dry upland localities. The le.^s are 

 some-tiii'c-i dull yellow. 



2120 >77Sa). XODOXOTA CO.XVKXA Say. .loiirn. I'hil. Acad. Nat. Sci., Ill, 



1S24. 443; ibid. II, 212. 



Oval, convex. Color bronzed, rarely blue, or slightly greenish. Thorax 

 as in ///.S-//.S-. the punctures mure sparse, the median line usually smoother. 

 Elytra much more coarsely punctate than thorax, the punctures everywhere 

 confused except near apex. Length 4-4..". mm. 



