234 
MEMOIRS OF THE KATIO]S"AL ACADExMY OF SCIE^^CES. 
Fig. 81.— Pupa of H. (S. End of 
body. 
a large oval whitish spot on the second and fourth abdominal .segments, and ending on the hinder 
■edge of the fourth, and beginning again on the fifth, then separating ag-aru so as to inclose a long 
oval dorsal space on abdominal segments 5 to 8; then contract- 
ing and ending on the suraual plate between the bases of the 
anal legs. 
The oval white spots inclose two parallel faint reddish median 
lines. The body is somewhat compressed, tapering to the end; 
the anal legs are long, outstretched, slender, with a reddish line 
on the outside and cherry-red at tips. Sides of the body flesli- 
colored, with reddish dots and short lines. Thoracic legs pale, 
with a cherry-red stripe on the outside. The middle abdominal 
legs pale llesh, with a few short wavy reddish-pink lines and 
specks on the outside. ‘ 
PI. XX XI II, figs, 2, 2a., represent a larva from which I reared 
the moth, a female of normal appearance. 
Fupa . — Body rather stout and thick, the head rounded, much 
as usual, coarsely corrugated, with two very faintly indicated low 
parallel vertical ridges between the eyes. The abdominal segments arc sparsely and not very 
coarsely punctured; the last three segments as insual, smooth and imlished. Behind the ineso- 
scutum are six square, flattened, dull, uniiolished, black tubercles, not having any median impres- 
sion to give them a double appearance (like that of Schlzura The cremaster ends in 
two stout spines, which are larger and stouter than in U, hhmdaia^ 
and of quite different shape, the terminal spine being broad and some- 
what foot-like, the end being square, with the heel pointing inward 
and the toe upward at right angles to the main spine. Vestiges of 
the anal legs rather prominent, rounded, smaller than in H. hiundata. 
Vestiges of the sexual opening longer than in H, hiundata. Length, 
19 mm. 
Habits , — The eggs were found at Brunswick, Me., as early as 
July 3, and it hatched July 11 or 12. Other larvm, as obseiwed iu 
Maine, hatched about the Sth to 10th of July, feeding on the irnderside 
of the leaf, at first eating away a little irregular patch. Stage I lasts 
nine days, Stage II probably four or five days. The last stage is 
reached a month later, August 9-10; my belated individual occurred on the oak at Providence 
as late as September 20 to 24. The larva has the habit of jerking its head rapidly from side to 
side, as if vexed or to scare away some assailant. 
Fig. 82.— Pupa of Heterocampa gutti- 
vitta. 9- Sp. spiracle. 
^ Dr. Dyar sends luo the folio mug account of a variety of C. (jnitivitta larva (mature) : 
“I have tyice fouud a peculiar variety of gntlivilta (one at Woods Holl, Mass., one at Jefferson, X. II.), in 
which a large hroAxu dorsal patch was retained iu the last stage. The following is a full description of it; 
“Head oval, higher than wide, llattencd in front, smooth, green ; a purplish band on a whitish ground, preceded 
by a narrow black lino from base of jaw to. vertex, joining the one or the other side; a short, similar baud on the 
posterior lateral angle of the bead at ventral side: ocelli and jaws black; palpi yellowish; width about 3.5 nun. 
Body smooth, the minute, black, normal sotte arising from whitish spots; anal feet slender, slightly used. Body 
slightly smaller at the extremities, appearing enlarged centrally in the usual position of the larva. A broad white 
subdorsal hand, narrowly bIack-hordei*ed above, broken on joints 2 and 11, Dorsal area yellowish green, lateral 
area leaf-grocn, brown-dotted, spiracles salmon color. On anterior edge of joint 2 a narrow yellow lino, containing 
two i)iirple-bi*own spots. A narrow white dorsal line edged with black, linear to Joint 4; on joint 5 it divides into 
three, all coming together again on joint 8, forming an elliptical area; on joint 9 it again divides, each side branch 
joining the Bubdor.sal lino on joint 11 posteriorily to the break, the central line running to joint 13. These lines are 
yellowish white, scarcely black-bordered posteriorly to joint 4. Besides these normal markings are the following 
dark purple brown patches: (1) a narrow obliijne linear snh ventral patch on joint 4 from base of foot upward and , 
backward; (2) a subdorsal pyriform patch on joint 7 between the dorsal and siibdorsal lines; (3) u single dorsal 
cordate patch, the depression anteriorly, situated on joint 8, dividing the dorsal line and hardy reaching the 
eubdorsal. Iu front of this heart-shaped spot the junction of the dorsal linos foi'ms a white spot. In the second 
example these brown patches were somewhat larger, and there was in addition a subventral patch above the foot on 
joints 7 and 10, the latter sloping the other way from the one on joint 4.^^ 
