LEPIDOPTERA OF NEW YORK AND NEIGHBORING STATES 337 



12. Palpi with third joint as long as first two togethei 



(steel blue) ' G 1. Abrenthia. 



10. Palpus with a triangular tuft; hind wing with R and Mj 



stalked Y 7. Cerostoma. 



7. M 3 and CUj stalked; ocelli present. 

 8. R and Mj parallel (figs. 214, 215). 



9. Hind wing oblong, only about half as wide as fore wing. 



G 4. Glyphipteryx. 

 9. Hind wing broader and rounded or triangular; nearly as wide 



as fore wing (fig. 213). 

 10. Second joint of palpus with long hair below (fig. 216). 



G 3. Choreutis Millieria. 

 10. Palpus smooth or somewhat rough. 



11. R 4 and R 5 of fore wing stalked halfway to apex 



(fig. 242) G 2. Simaethis Allononyma. 



11. R 4 and R 5 separate. 



12. Palpus with blunt truncate apex. 



Or 2. Simaethis, typical. 

 12. Palpus with acute apex..G 2. Simaethis Brenthia. 



8. R and Mj of hind wing stalked (Xylorictidae, Setiostoma). 



6. Hind wing with a vein lost. 



7. Hind wing ample, with broadly rounded apex. 



8. Ocelli large and conspicuous G 3. Choreutis, typical. 



8. No ocelli. 



9. Palpi smooth-scaled; (ground white or gray). 

 10. Fore wing with all veins preserved (fig. 199). 



11. A transparent spot at base of Cu of hind wing. 



Y 2. Yponomeuta. 



11. No transparent spot Y 1. Prays. 



10. Fore wing with one vein lost Y 3. Swammerdamia. 



9. Palpi very rough; (two-thirds of fore wing black). 



(Psychidffi, Kearfottia). 



7. Hind wing lanceolate; ocelli present but not always large (fig. 

 215). 



8. Apex rounded ; palpi smooth G 4. Glyphipteryx. 



8. Apex of membrane falcate; palpi rough, ending in a loose, trun- 

 cate tuft. Y 11. Zelleria. 



1. Wings linear with three or four obscure veins (fig. 221); palpi with terminal 

 bristles H 5. Cycloplasis. 



Family 24. YPONOMEUTHXffi 



(With Plutellidce, Argyresthiidce, Acrolepiidw, Scythrididoe, etc.) 



Head smooth, except sometimes on vertex; ocelli small or absent; 

 antennae moderate, without eye-cap ; scape moderate ; each segment of 

 shaft with two rows of scales, of which the outer is usually a complete 

 whorl; the inner interrupted more or less broadly below, exposing an 

 area of sensory setae (in Argyresthia with both whorls complete as in 

 some Tineidae; in some specialized genera with both interrupted, and 

 the sensory area continuous; as in Scythris etc.) ; but with the outer 

 row always distinctly better developed than the inner, and the inner 

 always present and well-exposed dorsally. Maxillary palpi various; 



