Lepidoptera of New York and Neighboring States 277 



miner; later it enters the large veins of tobacco, or the shoots of potato. Eggs are 

 also sometimes laid on the surface of potatoes if left exposed above ground in the 

 field or in storage. In that case the young larvae feed at first just under the skin, 

 and later bore through the potato in all directions. Pupation takes place in a 

 cocoon outside the burrow, as a rule. The larva also works in leaves, stems, and 

 fruits of other Solanaceae. 



The distribution is general southward. 



P. minor Busck is an exactly similar, but much smaller, form, or species, from 

 the far South. 



2. P. striatella Murtfeldt. Antenna blackish. Fore wing light wood-brown, 

 streaked with dark brown and with some powdery gray, especially at apex and in 

 fringe. A black streak from base through upper part of cell to apex, and a broader 

 irregular and diffuse one running above inner margin to anal angle. Genitalia 

 much as in the following species. 12 mm. 



Larva in berries of Solatium nigrum; pale greenish yellow with five irregular 

 and interrupted crimson stripes, the lateral ones formed of series of spots; head, 

 cervical shield, and true legs proportionately small, shining dark brown. 



St. Louis, Missouri; California. 



3. P. glochinella Zeller. Closely similar to P. operculella. Fore wing pale yel- 

 lowish gray to the naked eye; under the lens the color made up of a mixture of 

 black-and-white scales and pale ochreous scales, the latter often very few and 

 usually scattered. Head usually powdery light gray, including palpi. Male 

 genitalia with a short, triangular, dorsal plate, a slightly larger, trough-shaped, 

 ventral one, and two slender, curved valves. Usually distinguishable from oper- 

 culella by the evener coloration, but occasionally indistinguishable in the female. 

 12-14 mm. (solaniella Chambers, in part; similiella Chambers, in part, not 

 Ptycerata similiella ) . 



Larva green, becoming almost blue when mature; in a dense, silken, frass- 

 covered tube, in a mine in leaves of Solarium carolinense. Pupa in a cocoon at 

 surface of ground. 



Missouri; Texas. 



4. P. marmorella Chambers. Light yellowish fuscous, irregularly spotted and 

 mottled with dark brown. 9 mm. 



Types only known. 

 Kentucky. 



5. ANACAMPSI8 Curtis 



(Tachyptilia Heinemann; with Compsolechia Meyrick) 



Palpi with second segment smooth or slightly roughened above the middle; 

 third longer, slender, and pointed; fore wings long with blunt apex, rounded outer 

 margin, and well-marked anal angle above Cu 2 . Venation as in Gelechia. Hind 

 wing much broader (often nearly twice as broad as fore wing), rounded-trapezoidal, 

 not sinuate, with normal venation; R and Mj approximate; a fringe on Cu. 



The moths of A. agri/moniella and A. levipedella, at least, walk in a circle on 

 alighting, like the Choreutidae. 



Key to the species 



1. Fore wings without any markings on basal half; though usually with light 

 outer markings. 

 2. With a white transverse fascia. 



3. Two or three longitudinal white apical dashes, sometimes fusing into a 



white terminal bar 8. tristrigella. 



3. Without white terminal dashes. 



4. Markedly darker beyond fascia 7. agrimoniella. 



4. Ground equally dark both sides of the fascia 6. lupinella in part. 



