THE LEGUME POD MOTH. 



91 



Bogue * found the larvae in the seed pods of the common rattlebox 



(Crotolaria sagittalis) at Stillwater, Okla., and Mr. E. A. Schwarz 2 



found them in the pods of a tropical species of 



this genus (Crotolaria incana) at Cocoanut Grove, 



Fla. Mr. C. L. Marlatt 3 records finding the 



larva? in the seed pods of milk vetch (Astragalus 



sp. ) . They are also recorded by Herrich-SchafTer 4 



as feeding in the seed pods of Spartium junceum 



near Vienna, Austria. 



During 1910 and 1911 the author reared the 

 species from the pods of common lupines (Lupinus spp.) and Canada 

 field peas at Pullman, Wash. 



DESCRIPTION. 



THE EGG. 



(Fig. 28.) 



Egg glistening white, bluntly elliptical in outline ( and circular in cross section, 

 measuring 0.58 mm. in length and 0.31 mm. in diameter. Chorion very delicate, 

 colorless, and with fine irregular corrugations on the surface. 



Fig. 28.— The legume pod 

 moth (Etiella zinckenella 

 schisticolor): Egg. Great- 

 1 y enlarged . ( O r iginal . ) 



Fig. 29.— The legume pod moth. Larva: a, Side view; b, lateral aspect of head; c, caudal segments; 

 d, pronotal shield, a, Enlarged; b, c, d, greatly enlarged. (Original.' 



THE LARVA. 



(Fig. 29.) 



Full-grown larva from 12 to 17 mm. in length and from 2.5 to 3.5 mm. in diameter. 

 Head yellow, black patch over ocellar area; mandibles and tip of labrum black; 

 five ocelli arranged in an anteriorly directed semicircle at base of antennse. Dor- 



1 Bureau of Entomology Notes, No. 7173. 



2 Bureau of Entomology Notes, No. 4129. 



3 Bureau of Entomology Notes, No. 7044. 



* Syst. Bearb. der Schmett. von Europa, vol. 4, p. 72, 1849. 



