Sept.-Dec, 1920.] FORHE.S : XOTES ON THE CrAMBIX-E. 219 



Ginus Crambus Fabricius. 



In this genus the group with Sc anastomosing with R^ in the fore 

 wing is larger than would be expected from Hampson's grouping. 

 The eastern species with anastomosis include C. alhclliis, hortucUus, 

 triscctns, caligiiwscUits. zcclhis and lutcolcllus as well as doubtless 

 lacinicllus. A number of western species also show the character. 



C. quinquareatus Zcll. Biloxi, Miss., Tunc 13, 1917; Needles, Cal., April, 1918. 

 It is obvious from Walker's description and type locality, that 

 Walker's species hastiferellus is not this. I believe kastiferclltts is 

 a synonym of Icachclhis, with which its description agrees more 

 closely. 



C. leachellus Zinck. 



Specimens from ^lesquite, near ]\Iesilla Park, and Deming, X. M., 

 July 12, 1917, and Lampia Canyon, Davis Mts., Tex., July 7, appear 

 to be a very pale race of this species. The fore wing is shaded with 

 yellow and light brown, almost like C. alhoclavellus, but the markings 

 are about as in leachellus and carpenterelliis. Unlike leachellus there 

 is a distinct white marginal patch, over veins 3-5, contrasting with 

 yellow areas above and below. I have also seen the form in the 

 Barnes collection. 



Crambus biguttellus new species. 



General structure and habits of C. albellus Clem. Fore wing with R, fret 

 from Sc, Rr, stalked more than half way to apex (a third way in C. albellus). 

 .'\pex blunt, not at all produced, outer margin distinctly excavate at middle, 

 the bottom of the indentation at M3. 



Head and thorax white above, collar with a broad diti'use pale gray-brown 

 band on each lobe. • Abdomen dirty white. Antennae light fuscous. Sides of 

 palpi white above, fuscous below ; maxillary palpi white, with a narrow black 

 ring. Fore legs fuscous, distally gradually shading into white on coxa; ; mid- 

 dle and hind legs white, with dirty white tarsi. 



Fore wing silver white; base of costa pale yellowish brown ; extreme costal 

 edge blackish toward base ; no other basal markings. Post-medial line yellow- 

 ish, oblique outward from middle of costa to end of cell, where it bends an 

 acute angle and runs into a rounded black spot on lower edge of cell at middle 

 of wing. Thence it continues obliquely inward to a similar spot on middle of 

 inner margin, but is very faint and broken. The upper spot is lightly edged 

 with ochrcous, the lower with hardly a trace of ochre edging. Subterminal 

 line light yellow, running across apex, then sharply curving at Mj (vein 5) and 



