June, 1898 ] DYAR: NEW SPECIES AND LARViE OF SaWFLIES. 
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eye black; a distinct shaded black line posteriorly from behind the 
ocellus to vertex. Body sordid greenish, annulets dull, incisures folded. 
Anal plate and marks at base of thoracic feet as before. Tracheae and 
folds of incisures white. 
Single brooded ; cocoon in the ground. 
This larva closely resembles Nematus chloreus but is not so green 
and has a black shade on the head in the last stage. Brookhaven, 
Long Island, in June. 
Nematus chloreus Norton. 
On the black oak ( Q . coccined ) at Bellport, Long Island, in June, a 
solitary edge-eating Nematid. 
Egg slits in the edge of the leaf just before the point of the apex, 
1 mm. long,.5 mm. deep, semi-circular, swollen, yellowish. 
Stage I .—Head sordid whitish, eye black, a dusky shade behind 
and over clypeus; width .4 mm. Body whitish translucent, green from 
the food, smooth, slender, curved, annulate; feet on joints 6-11; a 
ventral elevation on joint 5 ; no setae. Black marks at the base of 
thoracic feet. 
Stage II. —Head whitish, dull, eye black, the vertical shade behind 
it reaching nearly to apex ; width .6 mm. Body rather finely annulate, 
whitish, green only from the food, bases of thoracic feet marked with 
black. Anal plate truncate, concave, the posterior rim dusky bordered. 
Stage ///.—Head rounded, whitish, eye black, a dark shade behind; 
width .8 mm. Body translucent sordid greenish, no marks except at 
bases of thoracic feet; spiracles blackish. 
Stage IV. —As before, the dusky shade behind the eye has become 
small; width 1.15 mm. Anal plate projecting, truncate-concave; no 
prongs. Translucent whitish green with black marks at base of thor¬ 
acic feet. 
Stage V.— Head green, eye black, mouth brown, no marks; width 
1.4-1.6 mm. ( $ 9 ) clearer green than before, incisures folded ; black 
marks at bases of thoracic feet clouded, small. Anal plate truncate, 
slightly cordately notched, no prongs. A little green fat in joint 13, 
the frass not contrasted; dorsal vessel obscure. Head shagreened, 
dull; body also dull. Thoracic feet colorless, abdominal ones small, 
slender on joints 6—11 and 13, functional. Segments irregularly 
wrinkly 6-annulate, last annulet very narrow, the others subequal; no 
seteven under a J^-inch objective. Sometimes the body is faintly 
yellowish subdorsally from the obscure fat granules; spiracles dusky. 
