474 
ANNUAL REPORT OF NEW-YORK 
HAZELNUT. LEAVES. 
a hump upon the middle of its back of the same shape as in the 
following species, with a rust-colored band occupying the ante¬ 
rior end of this hump and a curved one margined with black 
crossing its posterior end, the hind end of the thorax being also 
rust-colored, and the tips of the fore wings with oval blackish 
spots in the intervals between the ends of the veins. Length 
0.32. Rare. 
203. Sad tree-hopper, Telamona tristis, Fitch. 
Extracting the juices of the leaves and succulent twigs in 
August, a tree-hopper of the same shape with the foregoing but 
of a much darker dull yellow or blackish color sprinkled over 
with pale dots and without any transverse bands; the elevated 
hump upon the middle of the back almost as high posteriorly as 
at its forward end, its upper edge straight and at the anterior end 
abruptly rounded, its hind end forming almost a right angle and its 
posterior base deeply excavated and forming the third part of a 
regular circle; an elevated polished black line along the middle 
of the thorax its whole length, with a few pale alternations, and 
widely interrupted with white in the excavation at the posterior 
base of the hump; one or two small hyaline spots in the upper 
edge of the hump; three black dots above each eye; a black spot 
on the tip of the wings; under side pale dull yellow. Length 
0.35. 
The Obtuse Clastoptera No. 192, and the Bound tree bug 
No. 100, also occur on the hazelnut, and its leaves are sometimes 
consumed by a large pale green worm, the larva of the Luna 
moth No. 180. 
204. Elongated forked-claw, Dichelonycha elongatula, Gyllcnhal. (Co 
leoptera. Melolonthida;.) 
Eating the leaves the latter part of May and in June, a narrow- 
ish cylindrical black beetle margined with chestnut brown, its 
wing covers shining yellowish-green margined with pale yellow, 
its under side pale yellow covered with short white incumbent 
hairs, and its legs pale yellow with the hind shanks except at 
their bases and the hind leet blackish. Length 0.33. 
This is a common insect, usually found upon hazelnut bushes. 
It was first described by Fabricius in the year 1791, under the 
