STATE AGRICULTURAL SOCIETY. 
331 
APPLE. LIMBS. 
the apple and so common on the oak that the description of it 
will be given under the latter. 
Wounding the twigs externally, causing them to break and fall. 
13. Neiy-York weevil, Jthycerus Novceboracensis, Forster. (Coleoptera 
Attelabidse.) 
A beetle in May and June, eating the buds and gnawing into 
the twig at their base, cutting it often to the pith. 
A gray weevil, the largest one in this country, each of its wing 
covers with four white lines, which are interrupted by black dots, 
the thorax with three whitish lines. Length 0.35 to 0.60. See 
Horticulturist, vol. viii, p. 386. 
14. Seventeen-year locust, Cicada septemdecim, Linn. (Homcoptera. 
Cicadidse.) 
Appearing in June, in immense numbers, at intervals of seven¬ 
teen years; making slits in the small limbs of the trees, in which 
to deposit its eggs, causing a profuse flow of sap from the wounds, 
the limb commonly perishing. A very large black fly with red 
eyes and four large glassy wings, the ribs of which are bright 
orange yellow. Width across the wings when spread, 2.50 to 
3.25. See Trans. N. Y. State Agric. Soc. 1854, p. 742. 
This locust will next appear in this State in 1860 along the 
Hudson river and on Long Island; in 1S66 in the west end of 
the State; and again on Long Island in 1868 and 1872. S. Cal- 
verly, Esq., of Brooklyn, assures me that some of these locusts 
can be met with on Long Island every year. 
dog-day cicada, see No. 72. 
Puncturing the smooth bark of the limbs and extracting their juices. 
15. Apple bark-louse, Aspidiotus conchiformis, Gmelin. (Homoptora. 
Coccidse.) 
An oblong flattish brown scale, one-eighth of an inch long, 
shaped like an oyster shell, fixed to the smooth bark and resem¬ 
bling a little blister; sometimes crowded together in such num¬ 
bers as to wholly cover the bark. Beneath each of these scales 
from a dozen to a hundred minute white eggs, which hatch the 
latter part of May, giving out tiny lice, resembling minute white 
