TRACHEA. By Dr. M. Draudt. 
215 
T. finitima Gn. (31 d). Forewing reddish-grey, in the central area more red-brown, with a black 
basal ray, indistinctly double transverse lines filled up with a greyer colour, large maculae in whitish rings 
and surrounded by black, and with a light undulate line proximally shaded with brown. Hindwing greyish- 
brown, with darker veins and margin. Canada to Colorado. •— eerivana Sm. (31 d) differs in its purer grey 
ground-colour with scarcely reddish admixture. From Manitoba and Alberta in Canada. 
T. fumosa Grt. (31 d). Forewing blackish-brown, strewn with grey, without a basal ray, with double 
dentate transverse lines, a large coniform macula surrounded by black, and large upper maculae; behind the 
lighter undulate line there are dark streaks in the marginal area. Hindwing greyish-brown. Colorado. 
T. fumeola Hmps. (= probata B. & McD.) (31 d) is very similar to fumosa, on an average somewhat 
smaller, submedianly as far as the posterior transverse line with a slight flesh-coloured reddish tint, the same 
before and behind the reniform macula; the posterior transverse line is on the discal fold bent inwards towards 
the base, in fumosa not. Hindwing much darker. California, Arizona. 
T. perfumosa Hmps. (= fumeola Hmps. $ nec <$) is so very similar to fumeola that Hampson 
described it as the female of fumeola. The anterior body is darker, the collar with a black median line; the 
forewing is likewise darker, more blackish-brown and less grey, the hindwing is darker blackish-brown with 
grey irroration, the male being likewise similar. Expanse of wings: 40 mm. California. 
T. binotata Wkr. (= extersa Wkr., rubiginosa Wkr.) (31 e). Forewing dark blackish irrorated with 
purple brown on the grey ground, with a feeble basal ray. double transverse lines filled up with grey, the maculae 
in grey rings and surrounded by black, the ring-macula above open, behind the reniform macula with a light 
lunar spot, the whitish undulate line in the upper half traversed by black streaks. Hindwing greyish-brown. 
Canada to California. -— The form curvata Grt. has a stronger, more bent basal ray. — The larva is green with 
yellowish-white longitudinal lines, the stigmata! above on the last ring bordered with red; it lives on Ribes. 
T. adnixa Grt. (31 e) has greyish-brown forewings in some places irrorated with reddish, particularly 
before and behind the central area with a black basal ray, single transverse lines being on the averted sides 
bordered with grey, with grey, dark-centred maculae surrounded by black, between them a brown median 
line, and a light spot behind the reniform macula; the undulate line like in binotata traversed by black streaks. 
Hindwing greyish-brown with a dark central luna and postmedian line. United States as far as California. 
T. paviae Behr (= inconspicua Sm.) (31 e). Forewing reddish brownish-grey, strewn with a darker 
colour, with a black basal ray, double transverse lines filled up with grey; the maculae are above and below 
open, behind the reniform macula with a lighter spot, without a median line, before the light undulate line 
with small black sagittae. Hindwing brownish-grey. From California. 
T. pausis Sm. (31 e) is a smaller greyish-brown species with a strong black basal ray, indistinct 
transverse lines being on the averted sides bordered with grey, and whitish, dark-centred maculae, the reniform 
macula on the median inwardly produced, behind it a light grey spot; behind the indistinct grey undulate line 
black internerval streaks. Hindwing light brownish with a dark central spot. California. 
T. genetrix Grt. (31 e). Forewing yellowish-grey, strewn with dark and in some jdaces irrorated with 
brown with a faint black basal ray, single transverse lines bordered with grey, indistinctly surrounded maculae 
with a light spot behind the reniform macula and a whitish undulate line. Hindwing yellowish greyish-brown. 
The $ is greyer without a yellowish tint. Colorado, Nevada. — The olive-green larva is provided with white 
longitudinal lines which are partly bordered with reddish, and lives on Adenostoma fasciculatum. 
T. dilara Streck. (31 d) is very similar to genetrix, larger, lighter, of a more flesh-coloured tint, strewn 
with yellowish brown, the transverse lines bordered with whitish, the maculae surrounded with brownish, and 
with a light undulate line proximally shaded with brown. Hindwing yellowish brown. Colorado. 
T. cara B. <£• McD. (31 e) by its marking very much resembles adnixa (31 d). but the black anal 
ray is absent, the colour is a darker purple red-brown, irrorated with ochreous-yellow, the double transverse 
lines filled up with ochreous, also the maculae in ochreous rings, with an ochreous spot behind the reniform 
macula, in the subterminal area of a purer purple reddish. Hinclwing smoke-coloured grey, the fringes somewhat- 
reddish. Utah. 
T. indirecta Grt. (31 f) is characterized by light reddish-brown forewings particularly darkened purple 
reddish in the central area, the transverse lines bordered with whitish, connected by white on the hindmarginal 
vein, above it on the submedian fold with a black connecting streak, with lighter-ringed maculae and a white 
undulate line proximally shaded with red-brown, and a black wedge-shaped spot on the submedian fold, in the 
marginal area irrorated with black. Hindwing yellowish greyish •brown. Canada to Washington. 
T. catalina Sm. (31 f) is marked like the preceding, but without the black ray on the submedian 
fold in the central area; the ground-colour is more yellowish flesh-coloured, in the central area rather lighter, 
the maculae darker, centred blackish. Hindwing lighter brown, at the margin slightly darkened. California, 
Arizona. 
finitima. 
cerivana. 
fumosa. 
fumeola. 
perfumosa. 
binotata. 
curvata. 
adnixa. 
paviae. 
pausis. 
genetrix. 
dilara. 
cara. 
indirecta. 
catalina. 
