452 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. 
distinct broad deep orange Bpiraenlar line, edged slightly above, and broadly below, 
with whitish. The head is blacktefa iii front, witli a whitish V-shaped mark and a 
whitish dash in th<- middle of the V or elypeosj labrnm whitish. 
Full-fed larva, molted Anguti 16 to 20. — Same characters a^ before the last molt, 
only differing in being much larger, Body cylindrical, with stout spinnlated Bpinee 
arising in irhorlsrrom small conical fcabereles, arranged in seren rows on the thoracic 
and five rows on the sbdominal segments; the spinnlee at tip very sharp and 
none, often ending in a stiff hair; about twelve spinnles on eaofa tubercle; some 
of the lateral abdominal and thoracic spinules tipped with black. Head of the usual 
sine, rather large, pea-green; the eyes, except the posterior one, situated on a black 
spot : labrnm pale amber. Body and spines pea-green. On the abdominal segments 
is a lateral broad bright reddish spiracnlar band, broadly edged with white below: 
this line extends to the end of the outer side of the anal legs. Spiracles whitish, 
narrowly edged with black; ends of the abdominal legs and entire thoracic legs red- 
dish. Length. 60 inm . 
21. Gluphisia trilineata Pack 
Mr. Howard L. Clark has reared this moth from caterpillars found on 
the balm of Gilead at Warwick, R. I. The moth appeared July SI, 
having been in the chrysalis state about ten days. 
22. Icthyura inclusa Hiibn. (Clostera americana Harr.) 
The caterpillar of this moth occurred on the poplar (P. grand identata t) 
at Providence, September 11 to 15. They were living within a tent 
made by drawing two or three leaves together, several smaller branches 
of the tree having been defoliated by them. It pupated a few days 
after, the moth appearing in the breeding cage June 1 of the next year. 
The following account is copied from Harris, who observed them on 
the balm of Gilead : 
August and September, 1835 : Gregarious caterpillars on the balm of Gilead tree; 
folding up the leaf aud lining it with silk as a common web, the petiole being also 
fastened to the trunk by silk. 
Larva. — Color of the larva yellow ; head, geminate tubercles on the fourth and 
eleventh segments, tip of last segment, and true feet, black ; three narrow dorsal aud 
three broader lateral vitta?, and spiracles, black. The larva is much like that of 
Clostera anachoreta (Ernst, 165, fig. 214) and C. reclusa (Ernst, 165, fig, 216) and 
closely resembled C. anastomosis. Thin cocoon formed in a box October 4, 1835. 
Another cocoon formed in October, 1837, disclosed the imago June 15, 183-. 
August 10, 1838: Found the larvie in great abundance on the balm of Gilead tree. 
These caterpillars are gregarious, and form a common shelter consisting of a leaf 
folded longitudinally and lined with a thick web of silk, beneath which the insects 
are sheltered when not feediug. They eat the whole of the leaves except the veins, 
which remain untouched. The petioles of the small leaves used as habitations are 
fastened with silk. The larger leaves subsequently used for shelter are not thus 
secured. They do not eat the leaves which serve for habitations, but sometimes fold 
one-half of the leaf and eat the corresponding side. When fully grown the cater- 
pillar measures one inch and a half or more in length. They do not vary in color or 
markings at different ages. Body slightly hairy, light yellow, the head, true t 
double wart ou the fourth, another on the eleventh anal valve, three slender dorsal 
stripes and three broader lateral ones on a dusky ground, aud the spiracles, black. 
In the oldest caterpillars there is au orange-colored line, at the sides of the body 
below the spiracles. The upper lateral black stripe is the broadest and becomes 
