MEMOIES OF THE jSTATIOXAL ACADEMY OF SCIENCES. 
137 
Ichthyiira brucei H. Edwards, 
(PI. in, fig-s. 23-25.) 
Ichthyiira hnicei, PI. Edw., Ent. Amer., i, j). 17, April, 1885. 
Dyar, Pint. News, iii. p. (i. Jan., 1892. 
Kirbj^, Syn. Cat. Lep. PIct., i, p. 611, 1892. 
Pack., Ent. News, iy, x>- 79, ilarcli, 1892. 
Dyar, Ent. News, iv, 170, May, 1893; Can. Pint., xsiv, p. ISO, May, 1892. 
Ichihynra midtnoma, Dyar, Can, Ent., xxiv, j). 179, July, 1892. 
Jlelalopha hr licet, Neum. and Dyar, Can. Ent., xxv, xi- 123, ^laj’, 1893; Trans. Ainer. Ent. Soc., xxi, p. 191, 
1894; Jonrn. N. V. Ent. Soc., ii, p, 115, 1894. 
Melalopha Neum. and Dyar, Can. Ent., xxv, p, 122, May, 1893. 
Larva. 
Dyar, T’syche, vi, x>. 403, Feb., 1893. 
Moih . — 1 will lirst ooiiy Mr. Edwards's descrixition of this form, and then add some ohserva- 
tions of my own : 
Ground color of primaries sordid white, with the lines and marks rich hrowu. A basal and snbbasal line, the 
former whitish, edged with hrown, ami dentate in the middle, the latter almost straight. Hehind the middle is a 
broad brown shade through which from costa to internal angle runs a clear white line, which on costa is broadly 
produced into the distinct white mark usual in the genus, Betweeu this aud the margin a row of seven hrowu 8])ots, 
in the middle of which is a brownish cloud resting on posterior margin, which with the fringe is brownish. 
Secondaries wholly mouse-color; thorax sordid white at the sides, the center broadly hrown. .Vbdomen dull sordid 
white: antenme and i)alpi hrown, the shaft of the former whitish. Duderside mouse-color, with darker bent- 
median hand common to both wings, and the white costal mark on X)riuiai*ies indicated by a xuilo dash. 
J. bntcei differs from T, apicalifi (van) in the V being about one balf as wide, the base of the 
inner arm of the V ending just about the middle of the wing, hence tlie four lines are much more 
l)arallel to each other than in L apicalis or I. inchim. In J. hnicei the obliciue costal white mark 
is less simious unil in A’ar. mnltnoma less bent behind the costa than in hriceei. 
Geoffraphical difiiribution. — Franconia, N. IT. (Mrs. Slosson); Brunswick, Me. (Packarxl, Mus. 
Comp. ZooL); Kittery, Me, (R. Thaxter); Blattsburg, X. Y. (Hudson); Colorado (Bruce, lide 
Edwards, French). 
Var. muJtiioma Dyar (Bl. Ill, tig, 20). I regard this as a dark Auiiiety of I. brncei. The 
markings of a male kindly loaned me hy j\[r. Dyar are identical in position with those of a sxjccimen 
of J. brucci from Franconia, 11.; it only differs in the much darker colors. The ba.sal line is. 
widely di.slocated in the same way. In my 7. brucei the fourth or outermost line is situated a little 
nearer the outer edge of the wing, and tlie incomxdete V mark is a little narrower than in niuUnomay 
but this is a common variation. In size, in the marginal dark spots, and the subapical reddish 
orange patch the two forms are identical. 
Firatlari^al stage . — Head round, shining black, with a few hairs; width, 0.5 mm. Body somewhat llattened,. 
with long i>alQ and black hairs rising singly from large cohcolorous tubercle.s ; color sordid grayisli, tinged with dark 
vinous on joints 2, 5, 7, 8, 11, and 12 over the dorsum. Feet normal, the thoracic dark, the abdominal concolorous with 
the body. As the stage advances the whitish sjiaces on the hack become nearly white ami the jiiliferous tubercles 
come out black and tlistinct in three rows oh each side. At the end of this, and of each following stage, the larva 
spins a house of thread and leaves in which it molts, and in which it remains during the succeeding stage, when iiox 
eating. P'he larvse are solitary. 
Second stage , — Head as before; width, 0.9 iiim. Body llattoned, with deep segmental incisures; xuUk^ions 
tubercles large, concolorous at first, but later black; setic short, black. Color blackish vinous, except the dorsum 
of joints 3, 4, 6, 9, 10, and 13, which is greenish white, containing tubercle 1 aud a very narrow dark dorsal lino. The 
anal xilato (i. e., joint 14 or the tenth abdominal segment) is viupus. Lateral aud subventral tubercles t»ale. Thoracie 
feet black. 
Third stage . — Head rounded, median suture deep, shiny black, hairy; width, 1.8 mm. Warts rather large, each 
with a hair, and other Hoinewhat shorter hairs* arise from the body. Color vinous black with yellow dorsal 
patches on joints 3, 4, 6, 9, 10, and 13 anteriorly, inclosing warts i and ii. A dark dorsal line, each side of which 
are a few yellow mottlings on the dark segments; subventral warts largely yellow, the (►thers concolorous with 
the markings, cxccx)t row i, which is dark on the yellow segments. Setie all blackish. Later, joints 5 aud 12 are 
seen to bo a little enlarged dorsally ; a narrow, broken, waved line appears along warts i in the yellow markings; 
the yellow x>atch on joints 9 and 10 extends faintly on joint 11; there is a broken, irregular, yellow, snperstigmatal 
line, distinct only ou the yellow-marked segments, and some rather more continuous yellow mottlings along the 
Bubstigmatal ridge. « 
