524 WILLIAM T. M. FORBES 



Key to subfamilies; imago 



1. Vein 1st A preserved in fore wing (fig. 298) ; tongue weak or absent; fringe 



on Cu weak or absent, p. 525 Schoenobiinae. 



1. Vein 1st A absent in fore wing. 



2. Vein 3d A of fore wing running into 2d A near base of wing (figs. 306 to 



308, 312, 315). 



3. Tongue and ocelli absent ; male with third segment of palpi rudimentary. 

 4. Front with a conical tuft; general vestiture deep and mixed, p. 532. 



Galleriinse. 



4. Front .and thorax smooth-scaled, p. 535 Macrothecinae. 



3. Tongue and ocelli present, palpi normal. 



4. Maxillary palpi rather well developed; Sc of hind wing free (fig. 362). 



p. 584 Pyralidinae 



4. Maxiliary palpi absent; Sc and R of hind wing anastomosing, p. 528. 



Chrysauginae. 

 2. Vein 3d A of fore wing free, or curving into 2d A near middle of wing (fig. 



320), forming a wide loop, often rudimentary. 



3. MI in hind wing arising from closing vein of cell, widely separated 

 from Sc (fig. 367) ; R more or less weakened; cell finely closed. Labial 



palpi beak-like and maxillaries triangular, p. 588 Ancylolomiinae. 



3. M, closely approximate to R. 



4. R B stalked with R 3+4 ; one free vein only, below the forked vein running 



to the apex from the radial stem. 

 5. R 3 and R 4 of fore wing completely united; fringe on Cu of hind wing 



strong. 

 6. Cell of hind wing closed by a fine but nearly complete vein; 



frenulum of female simple. 

 7. Tongue strong, separating the palpi toward the base. p. 608. 



Phycitinae. 

 7. Tongue rudimentary, concealed by the palpi when coiled, p. 637. 



Anerastiinae. 



6. Cell of hind wing" widely open, frenulum of female multiple, p. 604. 



Crambinae ( Raphiptera ) . 

 5. R 3 and R 4 stalked. 



6. A heavy fringe on base of Cu of hing wing; labial palpi beak-like 



and maxillary palpi triangular, p. 589 Crambinae. 



6. Fringe on base of Cu very light or wanting; maxillary palpi 

 plumose, or small and concealed. 



7. Fore wing with raised scale-tufts, p. 604 Epipaschiinse. 



7. Fore wing smooth, p. 584 Pyralidinae. 



4. R 5 free; two free veins from radial stem below the forked one (fig. 



320) ; Sc and R of hind wing almost always anastomosing. 

 5. Fringe on Cu heavy; palpi beak-like, with trangular maxillary palpi. 



p. 589 CrambinjB. 



5. Fringe light or absent; palpi rarely beak-like; maxillary palpi usually 



moderate or small and not triangular. 

 6. No loose spatulate scales on dorsal part of hind wing. 

 6. 'Some loose hair near inner margin of hind wing, part of it 

 forming a weak fringe on Cu which runs into a group of spatu- 

 late hairs or scales below Cu. p. 536 Glaphyriinae. 



7. Rj stalked with R,, and R, (fig. 346) p. 574 Nymphulinae. 



7. Rj free. 



8. Labial palpi beaklike; maxillary palpi large and triangular 



(fig. 354) ; fore wing usually slightly r ough- scaled ; with 



Mj well separated from R 3 at origin, about as far from 



base of R 3+4 as from M 2 . p. 581 Scopariinae. 



