16 ENTOMOLOGICAL NEWS [xxxii, '21 



The moths appear in the first half of September. The 

 larvae at first feed within the seeds and at the end of Novem- 

 ber or the beginning of December spin the first case, which is 

 yellowish white, straight and cylindrical, more or less thickly 

 strewn with granules, especially near the mouth, with the apex 

 at this time roughly two-valved. The larvae spin and feed 

 actively when the temperature is well below the freezing point; 

 in fact development takes place more rapidly out-of-doors than 

 in a warm room. The case is gradually enlarged and thick- 

 ened, becoming dark brownish gray except along a slight pro- 

 jecting keel on the ventral side. The larvae feed during the 

 winter becoming full grown early in March, the case is now 

 almost black, stout cylindrical, 8-9 mm. long, three-valved at 

 apex, with the plane of the mouth forming a very acute angle 

 with the long axis. 



The distinguishing characters of this species are the distinct 

 undusted white lines and the dark streak and spot at the end 

 of the cell. From C. ainaranthclla, which also possesses a sim- 

 ilar dark spot, it is separated by the absence of dusting. The 

 very different case separates it from the other Polygonutn- 

 feeding species, C. sJialericlla, which is similarly marked with 

 white streaks, but lacks the dark streak and spot. 



Coleophora duplicis n. sp. 



Face white mixed with pale ocherous ; palpi white above, pale 

 ocherous inwardly, fuscous outwardly ; antennae white, with first seg- 

 ment somewhat thickened with anteriorly projecting pale brownish 

 scales; stalk either white or with distinct ocherous or fuscous annula- 

 tions (the variation independent of sex). 



Fore wings grayish ocherous, sometimes brownish: very rarely pale 

 brownish ocherous ; broad white streaks follow the course of the veins 

 in the costal half of the wing, with the spaces between them dusted 

 with blackish scales and darkening toward margin, the white streak 

 along upper margin of cell also somewhat dusted in its outer half and 

 usually confluent with a short streak through the outer half of the cell ; 

 all these white streaks in the costal half of the wing are often confluent 

 with almost entire absence of dusting except toward apex. A broad 

 white dusted streak follows the fold, with the ground color on either 

 side of it not dusted; dorsal margin white. Cilia pale brownish 

 ocherous with scales at their bases white. Hind wings and cilia pale 

 fuscous. Legs white, fore and middle pair outwardly fuscous, posterior 

 pair with a fuscous line on the outer side. Alar expanse: 11.5-14.5 mm. 



