HYLESIA. By Dr. M. Draudt. 
755 
H. novex Dogn., founded upon but one fresh 2 and a worn is above greyish-brown with a lilac tint novex. 
and lighter transverse lines, the anterior line oblique, at the costal margin 14 mm, at the inner margin 8 mm 
distant from the base, the posterior line parallel to the margin, the median area between them somewhat darker, 
only around the discal spot lighter; at the apex and in the lower marginal half brighter. Hindwing more brownish 
with a dark discal spot and traces of two light transverse lines. Expanse of wings: 74 mm. Amazons and Peru. 
H. olivenca Schs. (113 a). Blackish ashy grey, in the median area darker, enclosing traces of a darker olivenca. 
discal spot; transverse lines broad, very light and almost straight; subterminally, as in novex, in the lower half 
lighter and at the apex a whitish spot. Hindwing much more monotonous, the light lines very indistinct. 
Abdomen greyish ochreous intermixed with long whitish hairs. The larger $ is more scantily scaled, lighter, 
the postmedian line very broad. Amazons, Colombia, Ecuador, Peru. Very similar to novex, larger, the discal 
spot is confluent with the somewhat darker interior border of the postmedian line, whilst in novex it is distantly 
separated. 
H. natex sp. n. (113 a) is quite a different insect, very conspicuous by the almost unmarked creamy- natex. 
white colour of the d 1 , with the same feeble brownish marking as in olivenca-, shape of wings somewhat broader, 
the apex more rounded, slightly smoke-coloured, without the light apical spot. Hindwing without markings, 
almost purely white. Another $ is all white, without any traces of markings. The $ is more scantily scaled 
and more grey, the body feebly yellowish. Described according to 2 S3 and 1 $ from the Rio Pachitea, Porto 
Alegre (Rio Grande do Sul). Types in the Berlin Museum. 
H, terrosex Dogn. Thorax dark brown, abdomen intermixed with lighter hairs. Wings light earth- terrosex. 
brown, with extinct darker brown markings; fore wing in the basal third darker, subcostally as far as the centre 
of the cell strewn with white; at the cell-end a large faded shadowy spot; the anterior transverse line marked 
by white strewing, the posterior Jine is a broad faded band, inwardly strewn with white, distally passing over 
directly into the subterminal shadow; apex somewhat darker. Hindwing with a discal shadow and feeble traces 
of two postmedian lines. Expanse of wings: 55 mm. Ecuador. 
H. pluto Dogn. is very similar to terrosex, but larger and beneath on the hindwing with but one pluto. 
transverse line. Expanse of wings: 62—66 mm. Bolivia (Rio Songo). 
H. paicazua Schs. (113 b). Thorax brown, abdomen somewhat lighter, intermixed with yellowish hairs, palcazua. 
Fore wing of S cinnamon-brownish with a small dark discal spot and a broad postmedian shadow in a slight 
S-curve, touching a costal-marginal shadow on vein 6; marginal area lighter grey with a fine dark subterminal 
line and a darker marginal shadow between 8 and 3. Hindwing with a dark discal spot and traces of two darker 
lines behind it. The larger $ is more monotonous. Eastern Peru; Rio Grande do Sul. 
H» nigridorsata Dogn. (= murmur Dyar) (113 h). Body deep black, intermixed with white hairs, anal nigridor- 
encl light ochreous. Forewing light lilac grey with broad brownish-grey transverse lines, the interior line 
interrupted below the cell, the exterior one feebly bent, touching the intense discal spot; subterminal shadow" 
in the upper half extending obliquely inward, below it with the two usual projections between 2 and 4; marginal 
area very light, only darkened in the upper half. Hind wing somewhat darker w ith two parallel postmedian 
transverse bands. Peru, Bolivia. 
H. roseata Dogn. (113 b) is somewiiat similar to the foregoing species, but the forewing is longer, the roseata. 
apex more produced, the black colour of the body is intermixed with pinkish claret-coloured hairs, the colour 
of the wings is lilac pink, with the same markings, but on the hindwing the two transverse lines are equally 
strong and eqiddistant from each other and from the margin, in nigridorsata the postmedian line is stronger 
and the subterminai line is nearer to the margin. The species is also somewhat larger, the 2 grey, scantily 
scaled. Colombia; Pacho; Monte Tolinia. 
H. bouvereti Dogn. (113 b) is monotonously greyish-brown, the body somewhat darker, the anal hair bouvereti. 
intermixed with a few yellowdsh hairs. Fore wing with two broad whitish transverse bands without a distinct 
discal spot, only the cross-vein being more prominently dark. Hindwing with a broad faded light median band. 
Ecuador and Colombia. 
H. mixtiplex Dogn. (= multiplex Dogn.) (113 c). Anterior body sooty black, abdomen somewhat mixti-plex. 
browner with ochreous anal hair. Wings sooty blackish with darker transverse lines and fine white hairs which 
in some places form dense lines; at the cell-end a large faded spot touching the postmedian line which runs 
slightly concave to the inner margin and is distally strewn with whitish; at the apex, subterminally in the 
centre and terminally at the anal angle whitish spots. Hind wing scarcely lighter with traces of two dark post¬ 
median lines. Peru (Yahuarmayo). 
H, frigida Schs. (113 c). Anterior body blackish-brown, abdomen above black, with lateral and anal frigida. 
ochreous hair. Fore wing purple blackish with darker brown veins, an indistinctly darker basal shadow and a 
blackish median area which may be defined by darker lines which, however, may also be absent; the interior 
border is almost straight, the exterior border obliquely inward, somewhat excurved below the costal margin; 
