326 C. STÄL, 
16. CHRYSOMELA INORNATA  ROGERS. 
Oblong. oval, bronzed: thorax with margin thiekened and a few co- 
arse punctures at the side; elytra bronzed black; legs and under surface 
dark blue. Length. 25. 
Chrysomela inornata Rogers. Proc. Acad. Philad. VII. p. 36. 
23. (1857.) 
5 si Suffr. Ent. Zeit. XIX. p. 384. 23. (1858.) 
Loeality: Western States. 
This insect is closely allied to C. cribraria, but differs in the color of the 
thorax and elytra; there are also more punetures on the thorax, and the lateral im- 
pression is less deep than in C. cribraria. (sec. Rogers. I. c.) 
17. CHRYSOMELA SUBOPACA ROGERS. 
Oblong oval, black, bronze, tinged with green; thorax with thickened 
margin, with a few punctures at the sides; elytra finely punctured, with the 
punctures forming indistinct rows; antennæ dark blue, with the four last 
joints hairy, legs and under surface black, bronzed. Length. 25. 
Chrysomela subopaca Rogers. Proc. Acad Philad. VII. p. 36. 
24. (1857.) 
5 nf Suffr. Ent. Zeit. XIX. p. 385. 24. (1858.) 
Locality: Middle States. 
Thorax less punctured; elytra more finely punctured and less lustrous than 
in C. inornata; the punctures are arranged in rows. (sec. Rogers. l. c.) 
18. CHRYSOMELA AURIPENNIS Say. 
Violaceous; margin of the thorax thickened; elytra golden. 
Chrysomela auripennis Say. Journ. Acad. Philad. IL p. 452. 6. 
(1824.) 
» 5 Say. Compl. writ. ed. Le Conte. II. p. 218. 
6. (1859.) 
T ^ Rogers. Proc. Acad. Philad. VIII. p. 36. 25. 
(1851.) 
Suffr. Ent. Zeit. XIX. p. 386. 25. (1858.) 
» ” 
Inhabits Arkansa. 
Body violaceous: antennæ black, dark violaeeous at base: thorax with slight, 
distant punctures: lateral margin much thickened; scutel violaceous, rotunded: elytra 
golden-cupreous, brilliant; exterior edge green, punctured; punctures placed in some- 
what regular rows. 
Length more than one-fourth of an inch. (sec. Say. l. e.) 
