406 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
provide an entfance for canker and blight. In old trees the eggs 
are placed chiefly in the bark at the bases of fruit-spurs or in that 
of the larger branches; in small trees that of the trunk also is 
attacked. The protuberances of the egg-cap are cylindrical, 
two to three times as long as their diameter, with rounded tip. 
This Cricket is common throughout southern New England, 
and I have seen it from the vicinity of Portland, Me. (Me. Exp. 
Sta.). How far north and east its range extends is not known, 
but should not be difficult to determine through the agency of its 
characteristic song. 
Narrow-winged Tree-cricket. 
Oecanthus angustipennis Fitch. 
Figs. 66 B, 69; Plate 18, fig. C. 
Oecanthus angustipennis Fitch, Trans. N. Y. State Agric. Soc, vol. 16, p. 411 
(1856).— Walden, Bull. Geol. Nat. Hist. Surv. Ct., no. 16, p. 158 (1911). 
Slender, greenish-white, the male with narrow tegmina. 
Antennae with but one black mark on under side of each of first 
two joints, that on the basal joint linear, its proximal portion 
bent sharply inward; that on the second joint shorter, about 
Fio. 69. — Narrow-winged Tree-cricket, Oecanthus angustipennis. A, Egg-punctures in apple 
wood (x 3) ; B, egg (x 15) ; C, D, long and short egg-caps (x 50) ; E, projection of egg-cap (x 500). 
(After Fulton.) 
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