Lepidoptera of New York and Neighboring States 



149 



doubtfully belongs to this family. Ocelli absent. Antenna? with scape 

 enlarged and flattened; with eye-cap except in a couple of species of 

 Phyllocnistis. Shaft with two nearly equal whorls of scales to a seg- 

 ment. Hind tibia? with long bristly hair above, becoming a row of 

 strong bristles in Phyllocnistis ; upper spurs attached well above the 

 middle. Fore wing lanceolate, often caudate (with a slender pro- 

 longation of the apical membrane), R s running to costa ; radials often 

 reduced to three ; R x leaving cell well toward base of wing, except in 



Figs. 108-112. lyoxetiid^e 



108, Paraleucoptera' albella, venation (after Heinrich) ; 109, Bedellia 

 somnulentella, venation; 110, Bucculatrix, venation; 111, Lyonetia, 

 venation of fore wing; 112, Phyllocnistis, venation 



Phyllocnistis, or lost. Not more than four dorsal veins. Vein 1st A 

 weak, free ; 2d A variable, even within the genus Cemiostoma. Hind 

 wing linear or lanceolate, its fringe much wider than itself, the mem- 

 brane abruptly narrowed near or before middle of costa. Sc short, 

 running close to costal edge, or even fused with it ; sharply diverg- 

 ent from the K-stem from the base as in the Elachistoidea ; R-stem 

 running to apex, with one or two medials given off from its lower 

 side ; Cu separate, simple except in Philonome ; anal region extremely 

 reduced, often without distinct veins. 



Egg flat. Larva with both true legs and prolegs present; 16 legs, 

 except in Phyllocnistis. Body nearly cylindrical. Head much flat- 

 tened in the normal series, with strong lateral keels and reduced mouth 

 parts. Ocelli, six, in two groups; some seta? lost. Front quadrangular; 

 hypostoma as in the Tischeriida?. Seta? iv and v on abdomen remote, 

 i nearer the middle line than ii; seta? of prothoracic wart widely 

 separated; seta? of prolegs uniordinal in a complete ellipse; rarely with 

 traces of a second row. 



Pupa with all appendages soldered together and no free segments ; 

 labial and maxillary palpi not visible ; labrum a separate sclerite ; 

 appendages nearly as long as the body; antenna? longer than wings; 

 prothorax narrow, especially on the middle line, the dorsal head piece 



