Pee aS r $ 
F ; 
. 
INSECTS INJURIOUS- TO THE HICKORY. 
47, THE HICKORY SPINY GALL. 
Phylloxera spinosa (Shimer). 
Forming large, irregular galls, covered with spines, on the petiole of the leaf of 
Carya amara, the galls opening beneath in an irregular, sinuate slit. (Shimer. ) 
48. Phylloxera carye-septa (Shimer). 
Forming flattened galls with a septum, on the leaves of Carya alba, the galls open- 
ing both above and below. (Shimer.) Probably, according to Riley, only an abnor- 
mal form of P. carye-globulis. , 
49. Phylloxera forcata (Shimer). 
Forming galls much like those of P. caryw-semen. 
50. Phylloxera depressa (Shimer). 
Forming depressed galls on leaves of Carya alba, the galls opening below with a 
constricted mouth fringed with filaments. Daktylosphera coniferum Shimer is, in all 
probability, Riley claims, the same. (7th Rep. Ins. Mo., p. 118.) 
51. Phylloxera conica (Shimer). 
Forming galls similar to those of P. depressa, but without the fringe. (Probably the 
same, Riley claims. ) 
. Phylloxera carye-gummosa Riley. 
Forming pedunculated ovoid or globular galls on the under side of Carya alba; the 
gall white, pubescent, and gummy or sticky, opening below in a fibrous point. 
The eggs are almost spherical, pale, and translucent. Larva, mother-louse, and pupa 
quite pale, the red eyes and eyelets strongly contrasting. (Riley, 7th Rep. Ins. Mo., 
p- 118.) . 
53. Phylloxera carye-ren Riley. 
Forming numerous more or less confluent mostly reniform galls on the petiole and 
leaf-stems of Carya glabra; the galls varying from 0.2 to 0.7 inch in diameter, pale green 
and densely pubescent, and opening in a slit the whole of their length, transversely 
with the axis of the petiole. (Riley.) 
54. Phylloxera carye-fallax Riley. 
Forming conical galls thickly crowded on the upper surface of the leaves of the 
Carya alba. Strongly resembling P. carye-foliw, but the height one-third greater 
than the basal diameter, and opening below, instead of above, in a circular fuzzy 
mouth. (Riley.) 
55. THE HICKORY GAY-LOUSE. 
Callipterus? caryellus Fitch. 
Scattered upon the under side of the leaves, a small pale-yellow plant-louse with 
white antenn# alternated with black rings and pellucid wings laid flat upon its back, 
its abdomen egg-shaped, somewhat flattened, and with only minute rudimentary 
heney-tubes. (Fitch. ) 
56. THE DOTTED-WINGED GAY-LOUSE. 
Callipterus? vunctatellus Fitch. 
A plant-louse like the preceding, but with black feet and a black dot on the base 
and another on the apex of each of the veins of its fore wings. The stigma is salt- 
