332 C. STÅL, 
Locality. — Oregon, one specimen. 
Closely allied to C. obsoleta of Say, but differs from it in the form of the 
body, being wider in proportion, also in having the elytra more finely punetured. (sec. 
Rogers. l. e.) 
2. PLAGIODERA OBSOLETA SAY. 
Black; thorax and elytra margined with yellowish. 
Helodes obsoleta Say. Journ. Acad. Philad. III. p. 453. (1824.) 
Chrysomela obsoleta Rogers. Proc. Acad. Philad. VII p. 37. 31. 
(1851.) 
a i Suffr. Ent. Zeit. XIX. p. 391. 31. (1858.) 
Inhabits Missouri. 
Body blackish, punctured; head and thorax tinged with green, margin of the 
latter yellowish, thickened, with a black, insulated point: elytra tinged with violace- 
ous, irregularly punetured; margin, tip, and obsolete lines before and behind the 
middle, yellowish: beneath black, immaculate. 
Length three-tenths of an inch. 
var. a. — Obsoletes lines none. (sec. Say. |. c.) 
3. PLAGIODERA CALIFORNICA ROGERS. 
Oblong oval, dark green, thorax sparsely punctured, elytra dark 
green, eoarsily punctured, antennz and legs black, under surface blackish 
green. Length 18. 
Chrysomela californica Rogers. Proc. Acad. Philad. VIII. p. 38. 
32. (1857.) 
5 a Suffr. Ent. Zeit. XIX. p. 392. 32. (1858.) 
This insect was sent by Col. Motschulsky, under the name of Plagiodera 
californica, as coming from California, but I have been unable to find any description 
of it. (sec. Rogers. 1. c.) 
PHÆDON Lar. 
1. PHAEDON VIRIDE MELSH. 
Greenish, or dark fuscous-brassy; feet piceous. 11 1. long. — Penn- 
sylvania. 
Phaedon viride Melsh. Proc. Acad. Philad. III. p. 175. (1846.) 
Chrysomela viridis Rogers. Proc. Acad. Philad. VIIL p. 38. 35. 
(1857.) 
