132 Journal New York Entomological Society [Vol. vi. 



patch in clypeus ; eye and antennae black. Body light yellowish green, 

 the furcate spines paler except the thoracic ones which are black tipped. 

 Feet on joints 6-12, 13, the thoracic ones short, scarcely visible from 

 above. 



Stage V. — Patch in clypeus brown; body green, dorsal vessel less 

 contrasting. 



Stage VI — Head green, clypeus brownish, eye black. Body rather 

 opaque green, a little whitish dorsally from diffuse fat, dorsal vessel 

 darker green. Furcate spines whitish, dusky tipped on joints 2 and 3 

 and faintly on anal flap. 



Stage VII — (Ultimate.) Smooth, waxy greenish, eye black ; shin- 

 ing, indistinctly annulate, dorsal vessel green. Cocoon in the ground; 

 single brooded. 



Found on the black oak (Q. coccinea) in Van Cortlandt Park, N. 

 Y., in May. 



Periclista chionanthi Murtfeldt, (M.S.). 



9 . Shining black ; tips of femora and tibiae du 1 luteous, tarsi dusky ; angles of 

 prothorax narrowly and teguloe whitish. Wings h) aline, nervures brown- black ; second 

 recurrent nervure received at basal third of third submarginal cell. One middle cell in 

 hind wings. Length, 5.5 mm. 



Two 9 9, Coll. U. S. Nat. Mus. (Miss Murtfeldt), no. 296 M. 

 Larva. — Head shining black, mouth parts only pale. Segments in- 

 distinctly 5-annulate, spines furcate, moderate, two on second (spirac- 

 ular) annulet, three on fourth, two on each subventral fold, all furcate 

 except the pair on lower subventral fold. Body yellowish with numer- 

 ous fat granules, a broken subdorsal black shade, distinct at the bases 

 of the second spines. Dorsal spines black-ringed at base. Thoracic 

 feet small, abdominal moderate on joints 6-12, 13; rests on venter on 

 surface of leaf. "Slug on white fringe " (Chionanthus'), Kirkwood, 

 Mo., Dept. Agriculture no. 4048 bis. 



Periclista media Norton. 



Sitting on the venter on the surface of young leaves of white oak 

 (<2- alba), eating circular holes, solidary. 



Stage I. — Head very pale brown, eye black; width .3 mm. Body 

 translucent whitish, food brownish ; covered with short colorless Y- 

 shaped spines, thick and with short shaft, the limbs blunt, apparently 

 arranged as in the later stages. 



S/age II — Head and body translucent, colorless, eye black ; width 

 .4 mm. Spines with long shaft and sharp recurved branches extending 



