124 Journal New York Entomological Society. [Voi. vi. 
Cocoon elliptical dark brown, single, formed at the surface of the 
ground. Single brooded. This is the commonest of the oak feeding 
nematids on Long Island, N. Y. 
Hemichroa fraternalis Norton. 
$ described by Norton (Trans. Am. Ent. Soc., IV, 81). 
9 black and rufous. Head black ; prothorax pale, whitish, interior 
lobe of mesothorax and upper half of pleura shaded with brown ; abdo¬ 
men largely pale brown. All the segments above broadly banded with 
black and narrowly so below. Legs luteous, femora and tibia lined with 
black. Wings hyaline, nervures black, costa and stigma luteous. 
Length, 9 mm. Texas, New York, Massachusetts. A perfectly dis¬ 
tinct species, not nearly allied to H. albidovariata. The larva lives on 
the young leaves of the white oak in May and early June, solitary. 
Each larva eats away the leaf from the midrib or a large vein and uses 
the vein as a perch somewhat in the manner of the young Liminitis , 
They hold on by the thoracic feet and thresh the body around violently 
when disturbed. There are probably five larval stages. 
Stage I .—Head rounded, dull, dusky, eye black; width .4 mm. 
Body annulate, sordid grayish green, uniform with short black points. 
A dark line at base of thoracic feet. 
Stage II. —Head .6 mm., sordid whitish, gray posteriorly, eye black;. 
body slate gray, whitish below the spiracles. 
Stage ///.—Head small, leaden black, width .9 mm. Segments 
6-annulate, with black points on the second and fourth. Body slate 
gray, more or less whitish subventraily below the spiracles, a dusky 
shade along subventral folds. Thoracic feet largely black, abdominal 
ones small, on joints 6-12, 13. Venter waxy grayish white. 
Stage IV. —Head sordid leaden, clypeus and back of head nearly 
black; antennae and eye black ; width 1.3 mm. Dorsum leaden black, 
somewhat broadly greenish centrally except in the incisures, below the 
spiracles nearly white, the subventral folds marked in blackish, forming 
a double row of dashes. Thoracic feet largely black, abdominal ones 
pale. Black points on second and fourth annulets small. Later the 
larva becomes more greenish with growth. 
Stage V .—Head black, the face pale and vertex gray ; or a light 
fleshy brown; width 1.6-1.8 mm. (2 9 ). Body sordid greenish gray, 
white subventraily, a lateral leaden gray shade band touching the stig- 
matal line; dusky marks on the subventral folds; points small, black. 
Thoracic feet pale, black at base; a trace of white bloom on head. In 
some the subventral region is scarcely contrasted and the larva appears 
