\'ol. xxii] ENTOMOLOGICAL NEWS 20T 



narrow, outer margin oblique, apex pointed. The male is brownish 

 ochre in color, the female straw yellow ; the two rows of brown dots 

 are distinct in both sexes. 



Range : Mexico, numerous localities. Gulf States and lower 

 Mississippi A'alley. 



Grote's crambid aides was described from Kansas, so there 

 can hardly be any doubt of the application of the name. 

 Walker's lineosellus was described from Honduras, whence 

 I have no material. If the names shall be found to refer to the 

 same form. Walker's name would have priority. 



Diatraea pedidocta, new species. 



Similar to D. saccharalis crambidoidcs. The females are even nar- 

 rower-winged, brownish ochre instead of straw yellow, while the 

 outer row of dots runs closer to the margin and anal angle and is 

 darker in color. The fore wings resemble those of male crambi- 

 doides rather than those of the female. The hind wings are white. 



Two females, Cordoba, Mexico, January 27, February 27, 

 1908 (F. Knab). 



Type, No. 13612, U. S. National ]\Iuseum. 



This is perhaps only a dark variety of the female of crambi- 

 doidcs Grt. 



Diatraea instructella, new species. 



A large species resembling crambidoidcs. much larger, the mark- 

 ings coarser, the lines of dots distinct, diffused, almost continuous, 

 the inner line drawn in at its termination almost to the base of the 

 wing. Discal dot distinct, black; terminal dots minute. Hind wing 

 white. The front is smooth, rounded, gently convex. 



One female, Popocatepetl Park, Mexico, July, 1906 (W. 

 Schaus). 

 Type, No. 13613, U. S. National Museum. 



Diatraea magnifactella, new species. 



Another large species of the crambidoidcs type. Male brownish 

 ochreous, the hind wing dusky, almost blackish ; lines of dots on the 

 fore wings distinct, approximated. The wings are rather broad, 

 square at the apices. Female pale straw yellow, the markings much 

 less distinct than in the male. Hind wings soiled yellowish, slightly 

 shaded with fuscous toward anal region. The front is prominent and 

 has a small central cone, the tip of which projects through the vesti- 

 ture. 



