238 INSECTS INJURIOUS TO FOREST AND SHADE TREES. 
with dark brown. On the side of nearly each segment a pair of dark acute tubercles 
and below the bright straw-yellow lateral ridge (the line is broken in fully grown 
larvee) is a black irregular flattened broad eminence. Supra-anal plate large, project- 
ing far behind and, like the pair of anal legs, flesh red. Body beneath deep flesh- 
colored, with dark linear stripes. Length of body 20™™, 
This caterpillar, which may be recognized by its slender body, with 
8-10 dark lines, the broken lateral straw-yellow line, and the larger 
rounded deeply incised head, is common not only on the fir, but also on 
the spruce and hemlock late in August and early in September in 
Maine. In fully grown eaterpillars on each segment of the body are two 
high rounded subdorsal and two larger lateral tubercles, which are 
reddish flesh-colored tipped with black, and there are two rounded 
supra-anal tubereles. This caterpillar is infested by a Microgaster, a 
single one of these small ichneumon larve issuing from the body and 
spinning a cocoon during the last week of August. The same cater- 
pillar is described under Pine insects No. 78, p. 206. 
11. THE RED-HEADED GREEN INCH-WORM. 
Order LEPIDOPTERA; family PHALENIDA. 
Feeding on the leaves in July and August in Maine, a green inch-worm, whose body 
is of the width and length of a fir leaf. Body rather thick and uniformly so. Head 
green in the middle, bright reddish on the sides, mottled with red-brown, and with 
two converging, narrow oval, pale red spots in front just below the vertex; clypeus 
tinged with red. Body pale green; a broad dorsal whitish green band of the same 
color as the under side of a fir leaf, and containing a median darker dorsal stripe. 
The band is whitish on the edges, next below which are two very narrow dark Lrown 
hair lines. A whitish line below the stigmata, and still farther below a narrow 
whitish line, and two parallel dark subventral lines. The thoracic legs reddish; the 
abdominal legs green. Ji also lives on the pitch pine and will feed on the white pine. 
12. THE 14-FLAPPED FIR INCH-WORM. 
Order LEPIDOPTERA; family PHAL.-ENID#. 
Feeding on the leaves of the fir late in August in Maine, a geometric caterpillar 
bearing a striking resemblance to the small reddish twigs of the fir with the leaf-scars. 
Body dull brick-red, with seven pairs of broad flat flaps on each side, those in the 
middle of the body being the largest. Head angular on the sides, deeply incised ; 
when at rest retracted partly under the projecting prothoracie segment. The last 
segment witha large triangular thick lateral flap. Two dorsal dull yellowish sinuous 
lines, separated by a narrow median reddish line. Body beneath with dull obscure 
sinuous somewhat broken coarse yellowish lines. On the last segment are two high 
sharp tubercles. Supra anal plate rounded. Body roughly granulated. <A light dull 
whitish yellow lateral stripe, extending down on the anal legs. Length 15™™,  Per- 
haps a species of Aplodes or allied genus. 
13. A NOCTUID LARVA. 
Order LEPIDOPERA; family Nocruip®. 
Feeding on the leaves in August in Maine, a cylindrical noctuid larva with 10 pairs 
of abdominal legs. Head of moderate size, as wide as the prothorax ; body thicker just 
infront of the middle. Segments of the body rather convex; prevailing color pale horn- 
