470 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. 
below ; tin* anal end with a small black spine extending back, which is used by the 
larva in poshing Itself forward. Body quite Hot and the segments deeply notched. 
Length ( J""». (Gillette.) 
.VJ. Chry8omeIa pallida Say. 
Mr. Coquillet has found the larva* living in communities on the 
leaves. Several were observed in Illinois to enter the earth to pupate 
June 1, the beetles issuing about June 19. 
Zeros.— Body black, elongated, much wrinkled and roughened; the sutures of the 
tegmenta and the under side of the body sometimes tinged with brown; head and 
cervical shield polished black. Length 8 mm . (French.) 
Beetle.— Fulv rufous; elytra pale testaceous, immaculate. Body very pale rufous, 
head obsoletely punctured; an indented, abbreviated line or spot on the vertex; 
thorax with small punctures which are sometimes obsolete ; elytra pale testaceous, 
with stria? of punctures which become obsolete before the tip ; beneath pale. Length 
15 mm . (Say ). 
Fig. 169.— Mine in a poplar leaf.— Bridghaui del. 
53. Crtpidodera helxines (Linn.). 
This beetle is very plentiful in New York, according to Mr. Dev- 
ereaux, feeding on the foliage of the poplar. 
