Life Histories of North American Geometridae—XI
International Journal of
lect ed at Auburn, .tb., in Septeml>er by myself. The,e three specimens are uniform in the abo'e characters. I find no gradatio n towards thetn in my entire ~cries of rubuslus, ntnnberingsome ninety specimens, some uf which are from Alabam:1.
-
D escribed ft um three fenwles in the
H e rb ert I I. Smith collection, takL·n at
Chap:1da, Br:tzil, in October and :'-Jo
vemhcr.
LIFE
Ill~TORIES
OF ;-\ORT£1 Ai\IERIC.A~
GEO:-lETRIDAE. - ;\I.
llY HATIRISO:'» (.;. DYAH, \\'ASII!l':GTO~, D. C.
(;_t'}.•udtrua !t.rcsitala Guen.
Egg. Elliptical, a lit tle flattened abo"e
and below. one end larger than the other.
but full and well rounded; micropylar ( large)
end not tiatlened. Sntooth, finely shag1ccned,
the t·etkulations obsolete, just the faintest
trace perc e ptible in the >hell. Not shinin~,
ocher yellow. Size 6 X-55 X-5· mm. Laid
singly on spider's webs or other delicate
tiHcad on the leaves or branches of il5 food
plant.
St.t!(•" !. !lead round, bilobed, cl_vpeus
llloderate , rather flat ~efore; ,·ery p:de
hro\\ n , a narrow dark line on po:-.lcrior
ed:.:e ofche<:k'; ocelli and mouth dark; not
,111ning; width ·+ mm. llody not very
slendt'r, cylindrical, smooth, norntal, dull
green ish, >Ordid dark and opaque, no dcfi
n ite I i ue~, hut nu1nerou5 longitudinal 11ne
p:t!er "trcak,, 'omewhal confused. Feet
pale; lnb e rcles 'mall, brown; setae black
with slightly swollen tip s; no subprimari<.:s;
tubercle iii '<tperstigmatal anterior, iv post
>tigmatnl, a trine above the whitish tracheal
line, v well anterior, ,·ii with separated hairs:
on thorax ia, iia, iv and d visible.
Stag-e fl. 1-l ead rounded, ll:tttencd before.
held out Aat , mouth projecting, anten11ae di~
tinct; sordid brown, speckled with d:nker, a
faint, grayi'h v-,haped shade bordering the
clypeus; width ·7 mm. Body not very slen
der; le gle5s segments elongated. Green, the
ends, joint' ~ to S and 10 to 13 shaded with
brown, anteriorly darkly !>haded e'pecially
subdorsally, posteriorly lighter, faintly longi
tuclinally lined , but "ithout distinct bands.
Feet pale; tnbercles obsolete, i"etae fine 'hort
and pale. Shields concolorous and ob,cure.
Stag<' Ill. !l ead round, llattened before.
not bilobed and free f1om joi11t z; whitish ,
densely mottled with pale brown, more
spar,e ly about the c lypens; ocelli black;
width t.l 111111. Body moder.l!e, cylindrical,
uniform, translucent whitish green, green
from the food, with irregular longitudinal
ro\n ot" small white 'pecks; at the extremi
ties faintly tinged with brown and the
speck' become dark. Tracheal line 1·isible;
spiracles narrowly black rimmed; tubercles
smal l, white; setae 1·ery short, pale.
Stage fl · . !l ead rcunded, 1·ery sli~ht ly
bilobed, whitish green, thkkly mottled with
r.o
" Put• of dull olive green; a ntennae r:lt h e r
long, last jo int >almon color; width ~ mm.
Body cylindrical, normal. anal plate larg e ,
s lightly pointed; no cervical shield, all con
eo lurou>. Green, mottled with irregular
longitudinal l1nes and spots o f more o paque
yellowish g reen and a few b ro wn dots and
s pecks; tubercles white, s m:11l . Spimcles
white, narro\\ ly bl ack rimmed. A g roup o f
dorsal black s peeks be tween tubercles i and
ii on the dorsal line on joints -1 to 10, heaviest
o n 9 aud to, b lack s pots o n s ub,·entra l fold
pos tel"iol"ly, heaviest on ') a nd 10. F'eet
g reen, b rown speckled. Setae sho rt , pale.
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