DICHROMAPTERYX; PSEUDOVIPSANIA; VIPSANIA. By H. G. Dyar t- 
1133 
T. nora sp. n. (166 i). Rather light rosy tan-coloured with quite indistinct markings. Hindwing dark nora. 
reddish brown. Expanse of wings: q 16 mm; Q unknown. West Colombia (at the junction of the Rio Tamana 
and Rio San Juan, 405 ft., February 1909). Types: 2 in the Coll. Dognin, U. S. Nat. Museum. 
T. peruviana Her. & Hopp resembles mas Dyar, but with quite obliterated markings on the forewing, per u dam. 
Exjianse of wings: $ 16 mm; $ unknown. South-Eastern Peru; Brazil (Amazons). 
T. marginepunctata Her. & Hopp has wood-brown forewings and slightly darker hindwings; forewing maryim- 
with distinct undulating lines and a series of small black marginal dots. Expanse of wings: J 17 mm; ^ un¬ 
known. Colombia. 
T. neutra Dyar (166 i) is a rather large species, tan-coloured with distinct undulatingly dentate lines, nculra. 
Expanse of wings: £ 14—17, $ 20 mm. Guatemala, Costa Rica. 
T. rubra Her. A Hopp. Forewing dark ochreous with distinct dark lines, the hindwing and the under rubra. 
surface carmine. Expanse of wings: 18 mm; $ unknown. Brazil (Rio Madeira). 
T. mas Dyar (166 i) has violettish red forewings with very distinct dentate lines. Hindwing somewhat mas. 
browner. Expanse of wings: $ 16—17, $ 19—20 mm. French and British Guiana. 
T. foemina Dyar (166 i) is somewhat smaller than mas and of a more rosy tinge, perhaps not specifically focmina. 
different. The expanse of wings stated in the original description (10 mm) is a mistake; it is 14 —15 mm in 
the §; the <§ is unknown. French Guiana. 
36. Genus: IMcliromapteryx Dyar. 
Like the preceding ones, but with unilaterally dentate antennae of the <$. 
Type: D. dimidiata Dyar. 
D. dimidiata Dyar (166 k). Forewing dark brown at the base, bordered by an oblique line from the dimidiata. 
centre of the costal margin to the anal angle, the space behind it lilac whitish, shaded with brownish to 
wards the apex; small double discal dots at the cell-end. Hindwing dark greyish brown. Expanse of wings: 
J 21—24, $ 30 mm. French Guiana. 
D. ultima Dyar (166 k) has a dark chocolate brown basal half of the forewing, then a straight whitish ultima. 
line, behind it purple brown, rather dark, dusted with the basal colour at the apex. Expanse of wings: cY 18 
to 20 mm; $ unknown. The habitat of the type is not mentioned, but a specimen from Sao Paulo de Olivenga 
(Amazons) agrees well with it. 
D. obscura Dyar (166 k). Basal area dark brown, apical part lighter, the two colours separated by obscura. 
an oblique light line. Expanse of wings: 17 — 20 mm; $ unknown. Guiana. 
D. didyma Dyar. Like ultima , but with more violettish brown wings. Expanse of wings: $ IS—20 mm; didyma. 
$ unknown. Guatemala, Costa Rica. 
37. Genus: Psendovipsania %r. 
Antennae of plain, somewhat flattened; palpi thrice as long as the head, erect in the 3b straightly 
porrect in the $, with an obtuse terminal joint. The $ is without the middle spurs on the hind tibiae. 
Type: P. jrigida Schs. 
P. frigida Schs. (166 k) has dull lilac forewings with an undulating olive brown line from near the apex frkjida. 
to the base at the submedian vein, the line more or less bordered with yellow. Hindwing dark lilac brown, 
with a pink basal tinge. Expanse of wings: 28—29 mm; $ not known. Mexico. 
P. invera Dijar (166 k). The <$ has 2 spurs on the hind tibiae, the $ 4. Forewing of narrow and point- invcra. 
ed, broad and rounded in the $. Wings rather scantily scaled, yellowish flesh-coloured, strewn with black, 
pinkish brown at the base, shaded dark along the costal margin; the fine submarginal line is distinct, another 
one inwardly of it is traceable. Hindwing yellowish, pinkish red at the inner margin in the q , entirely pinkish 
red in the $. The total impression is that of a Megalopygida, such as Podadia xinga Dogn. or omayena , but 
the neuration of the hindwing proves it to be certainly a Limacodida. Expanse of wings: 25—27, $ 32- 34 mm. 
French Guiana. 
38. Genus: Yipsania ffrc. 
Separated from the preceding genus by the presence of both pairs of spurs on the hind tibiae also in 
the <$. 
Type: V. anticlea Drc. 
V. bicolor Her. A Hopp. Margin of forewing from before the apex to the anal angle bright yellowish, bicolor. 
the rest of the wing brown. Hindwing yellowish brown. Expanse of wings: $ 25 mm; $ unknown. Ecuador. 
