36 William T. M. Forbes 



are mixed with the eggs; almost always wingless, and often maggot -like with all 

 appendages rudimentary. Male with rudimentary moiith parts. 



Family 11. Tischeriidae. Larvae leaf -miners; the thoracic legs absent, and each 

 ventral proleg with two transverse rows of hooks. Moths with a loose tuft of 

 scales on vertex, a small scape, short porrect palpi without bristles, small maxil- 

 lary palpi, and very hairy hind tibiae; fore wing with Cu running through the 

 center of the wing, with all radials running to costa. 



Family 12. Lyonetiidae. Larvae leaf -miners; structurally much like the Tineidse, 

 flattened, with setae iv and v more widely separated. Moths with head smooth, 

 at least on front, with a well-marked eye -cap, the hind wing with R running through 

 the axis of the wing, which is often linear. 



Family 13. Opostegidee. Larvae very slender, cylindrical, without legs; bast- 

 miners; moths with folded maxillary palpi; with very large eye -caps; fore wing 

 with three or four unbranched veins, hind wing linear. (Position of family 

 uncertain.) 



Family 14. Gracilariidae. Larvae when young very much flattened, with blade- 

 like mandibles, and rudimentary maxillae and labium; living as leaf -miners and 

 bast -miners and eatiug the sap only; when grown usually with normal mouth- 

 parts, eating the parenchyma, and often living as leaf rollers. No prolegs on 

 sixth segment of abdomen; the other legs variable. Moth with maxillary palpi 

 porrect or obsolete, our species without eye-cap; fore wing lanceolate, normal 

 or with somewhat reduced venation; hind wing often linear, with principal vein 

 through the center of the wing; sometimes with R x free. (Position of family 

 uncertain.) 



Family 15. Coleophoridse. Larvae with iv and v closer than usual; with very 

 strong true legs, and prolegs reduced, each with two transverse bands of hooks 

 or none; usually leaf -miners when young, or feeding within seeds; almost always 

 becoming case-bearers when grown. Moths with smooth head; palpi moderate, 

 usually tufted, with the third joint often set on at an angle ; fore wing with cell set 

 obliquely, the cubitals extremely short and running directly to inner margin. 

 Epiphysis rudimentary, at apex of fore tibia, or absent. Antennae turned forward 

 in repose. (Position of family uncertain.) 



Superfamily Cycnodioidea. Larvae and pupae not well known; 

 apparently the larvae with setae iv and v close together; leaf -miners 

 when young and case-bearers when grown. Pupae without maxillary 

 palpi, with nearly all segments of abdomen free, or, in Elachista, 

 which pupates exposed, with all soldered. Moth with R 2+3 of hind 

 wing preserved, running to costa, maxillary palpi minute and straight 

 or lost, and with characteristic genitalia; R 5 running to costa, lost 

 in all our species; Sc and R of hind wing widely separated, in our 

 species with R running through middle of wing. 



Family 16. Cycnodiidae. Palpi moderate, upturned; hind wing lanceolate, with 

 well-formed cell, and nearly complete venation. Larva sixteen-legged, a blotch- 

 miner; pupa suspended, exposed, immobile. 



Family 17. Douglasiidae. Palpi short, drooping; ocelli very large; hind wing 

 without cell; with R, +3 separating off from radial stem before Mj. Larvae leaf- 

 miners, hardly known. (Position of family uncertain.) 



Family 18. Heliozelidas. Palpi short, drooping; hind wing without cell; one or 

 two medials arising from R-stem, which forks into R ;+3 and R, +5 near apex. Larvae 

 legless, with two pairs of ocelli; blotch-miners; cutting out a case just before 

 pupation. 



