478 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 113 
Material examined: New Hampshire, Twin Mountain, Ammonoo- 
suc River at Zealand Campground, May 18, 1957, 1 larva—June 11, 
1957, 1 larva, 1 pupa—Aug. 25, 1957, llarva. New York, Rockland, 
Beaverkill, Apr. 4, 1959, 1 larva; near DeBruce, Willewemoc River, 
12 larvae, 7 prepupae; East Meredith, Kortright Creek, June 6, 
1959, 1 o& 4 2 pupae. 
Remarks: The larvae of this species were found primarily in the 
large streams that alternate in long pools and riffles, similar to the 
habitat of the larvae of manistee. Although Kortright Creek is only 
about 2-3 yards wide, it flows in open pastures and has a much lower 
gradient than is typical for streams of this size. In these respects 
it is similar to the larger streams. 
The adults of melita are on the wing in late June and early July. 
The smallest larva was found in late August. Another found in 
early April was but slightly larger, and indicated that growth takes 
place primarily in the spring. 
Rhyacophila amicis Ross 
Rhyacophila amicis Ross, 1956, p. 120 (male). 
This species is known only from North Carolina. 
The only material of amicis studied were two mature male pupae 
collected on May 19, 1959, in Deep Creek, near Bryson City. In 
addition, one male was collected along the Oconoluftee at Smokemont 
on July 2, 1958. 
A full description is not given because only larval sclerites of this 
species are available aud these seem identical with those of melita 
Ross. The one difference seen is in the coloration of the pupa. There 
are no dark bands visible on the pupa as are to be seen even on the 
mature pupa of melita. It is assumed that these bands are absent on 
the larva also. 
The two collections I made of this species were in a similar 
habitat. The stream is 5-10 yards wide with alternating long riffles 
and pools. The habitat seems to be the same as that of the northern 
melita. 
Adults have been taken in early summer; otherwise, the life cycle is 
unknown. 
Rhyacophila species 1 
FIGuRE 6,c,d 
Immature specimens of this species have been collected a few times 
on Mount Washington in New Hampshire. This form I believe to be 
the larva of angelita Banks, a male of which was collected in the same 
locality and time as the female pupa. f. angelita and acropedes are 
the only species known to occur in both eastern and western North 
