660 
LACOSOMA. By Dr. W. Schaus. 
ludolpha. 
raydela. 
diederica. 
; philastria. 
turnina. 
julieita. 
on discocellular; outer line very fine diffuse, dark from a fuscous point on costa, outangled below vein 8 
and slightly sinuous; terminal space ecru drab with faint pinkish suffusion at tornus. Hindwing: basal half 
whitish limited by a fine dark postmedial line, the termen ecru drab mostly suffused with pinkish; a few scattered 
black scales on both wings. Forewing below with medial area bittersweet pink: both wings with black lines 
on discocellulars. Expanse: 31 mm. St. Laurent Maroni, French Guiana. 
L. ludolpha sp. n. (88 e). Male: Differs from otalla in the genitalia and larger size. Forewing: the postmedial 
line not outangled, but slightly outcurved, almost vertical. Hindwing: termen without pinkish suffusions. 
Wings below with the line better defined. Expanse: 34 mm. San Esteban Valley, Venezuela. 
L. raydela sp. n. (88 e). Male: Head and front of collar bittersweet orange, body otherwise white, the 
abdomen dorsallv suffused with light drab. Forewing: base whitish limited by a fine vertical vinaceous fawn 
line; medial area pinkish cinnamon; a thick white streak on discocellular mottled with black scales inwardly; 
a fine dark, but faint, postmedial line, minutely wavy, incurved opposite cell, followed by a similar faint line 
from below vein 8, expanding into a vinaceous fawn shade from vein 4 to tornus; terminal space from vein 3 to 
costa pale vinaceous fawn, except narrowly on termen from vein 8 to vein 4 which is vinaceous fawn; cilia 
clay colour tipped with white and pinkish. Hindwing tilleul buff; a faint vinaceous fawn, outcurved, postmedial 
line; some vinaceous fawn on termen from apex to vein 4; cilia as on forewing; both wings with a few black 
scales. Forewing below to line, except on inner margin light coral red; line fine, sinuous, drab defined by pale 
drab grey; termen vinaceous fawn. Hindwing below whitish; the line postmedial, outcurved; termen broadly 
vinaceous fawn: some black scales on discocellular; both wings irrorated with black. Expanse: male, 30—34 mm; 
female, 38 mm. Cayuga, Guatemala: Juan Vinas, Costa Rica. Type in the National Museum. 
L, diederica sp. w. Male: Head and front of collar bittersweet orange; collar behind and thorax whitish; 
abdomen tilleul buff dorsally suffused with vinaceous buff. Forewing: costal edge cinnamon red; base whitish 
limited by an antemedial fawn colour line outcurved below cell: medial area vinaceous cinnamon; a black spot 
at discocellular; postmedial line red at costa then fine, black, wavy and lunular, vertical; terminal space 
vinaceous fawn with an incurved pale greyish vinaceous shade from apex to termen at vein 3: cilia sa 3 T al brown 
t ipped with white. Hindwing to line above median light vinaceous cinnamon: inner margin broadly to near termen 
pale vinaceous fawn; a whitish spot with black scales on discocellular; line fine, postmedial, slightly curved, 
lunular: termen broadly amber brown. Both wings with a few black scales above and below. Forewing below, 
except on inner margin light coral red; line faint, slightly outcurved, well marked and black at inner margin; 
termen as above. Hindwing below paler, the termen suffused with vinaceous cinnamon. Expanse: male, 27 
to 33 mm. Amazons, Bolivia, Paraguay. 
L. philastria sp. n. (88 e). Male: Wings shaped as in cantia. Body and wings white with scattered black 
scales. Frons pinkish buff. Forewing: costal edge pinkish cinnamon; a black spot on discocellular; a faint drab 
postmedial line, better defined on costa and outbent, then sinuous and inbent, followed by a drab shade outbent 
from vein 4 to tornus; cilia tawny olive tipped with white. Hindwing: the line only perceptible neai inner 
margin. Forewing below: cell and beyond above vein 6 to line suffused with pinkish cinnamon. Hindwing 
below with a faint spot on discocellular; the line postmedial faintly traceable throughout; termen to near anal 
angle suffused with drab. Expanse: 32 mm. Amazons above Teffe. 
L. tuinina sp. n. Male: Forewing bluntly produced, excised, inbent from vein 3 and crenulate. Hindwing 
with termen crenulate. Body vinaceous drab mottled with cinnamon brown. Frons and palpi tawny. Wings 
pale brownish drab; cilia brownish drab tipped with white on interspaces. Forewing: an antemedial wavy 
russet shade; a black spot on discocellular; costal edge cinnamon brown; postmedial line vertical, sinuous,deep 
brownish drab followed by a similar parallel shade not reaching costa; termen narrowly deep brownish drab 
from above vein 7 to vein 3. Hindwing: a faint dark discal point; postmedial line faintly indicated; termen 
rather broadly cinnamon brown. Wings below rather paler, the forewing with base except on inner margin, 
cell and beyond cell above vein 5 to postmedial line suffused with tawny. Hindwing below as above. Expanse: 
24 mm. Sao Paulo de Olivenga, Amazons. 
L. Julietta Dyar. Male: Darker than otalla. Forewing with costal edge cinnamon, the wing to 
outer line vinaceous tawny; outer line more sinuous, the termen darker. Hindwing uniformly drab grey with 
very faint reddish suffusions; the black scales on wings more numerous. Hindwing below without a black 
streak on discocellular, the cell pinkish. Expanse: 27 mm. Misantla, Mexico. Vein 9 present in type. Termen 
of hindwing very faintly crenulate. 
