49 



"Larva, Late in the Fall. Length, 2.5 mm. Head 

 jet black ; thoracic shield a deep brown ; body brown, with 

 deep-brown tubercles. The fifth to thirteenth segments in- 

 clusive are divided into cephalic and caudal portions by a 

 short transverse constriction." (Fig. 2, a.) (Felt.) 



"Cocoon. Average length, .9 inch; diameter at the 

 broadest part, .24 inch. The shape is subcylindrical, but 

 varying from an almost uniform diameter to an enlargement 

 of the lower portion to twice the diameter of the upper 

 part." (Fig. 2, c.) (Lintner.) 



" Pupa. Average length, about .4 inch ; average great- 

 est diameter, .1 inch. Color, pale brown. Head case pro- 

 jected at the tip, and eye cases prominent. Tip of wing 

 covers rounding over the segment, the inner wing cover 

 showing its margin over more than three segments. The 

 stigmata appear as minute tubercles. Anal tip dark brown, 

 blunt, and slightly excavated beneath." (Lintner.) 



CRAMBUS BIOTHANATALIS. (Plate IV., fig. 1.) 



Crcmbus biothanatalis Hulst, Tr. Am. Ent. Soc., Vol. XIII., 



p. 166 (1886). 

 Crambus behrensellus Fern., Ent. Am., Vol. III., p. 37 (1887). 



Expanse of wings, 17-20 mm. Palpi, head and thorax 

 ochre-yellow. Fore wings light ochreous, thickly sprinkled 

 with fuscous ; median space lighter, with two broken ochre 

 cross-lines forming scallops on the costal half of the wing, 

 each with a tooth inwardly below the middle. A terminal 

 row of seven black points, resting on an ochre-yellow band. 

 Fringes dull golden, with metallic lustre. Hind wings and 

 abdomen fuscous. 



Habitat. California. Early stages and food plant un- 

 known. 



CRAMBUS RURICOLELLUS. (Plate II., fig. 14.) 



Crambus ruricolellus Zell., Chil. et Cram., p. 40 (1863). 

 Crambus ruricolellus Felt, Grass-eating Ins., pp. 67, 84 (1894). 



Expanse of wings, 18-20 mm. Palpi pale ochreous, 

 tinged with fuscous on the outside ; head and thorax pale 



