LACOSOMA. By Dr. W. Schaus. 
661 
L. ladema Dogn. Male: Head, throat, and forelegs pinkish cinnamon. Body pale cinnamon pink, ladcma. 
Wings with a few black scales, and black lines on discocellulars. Forewing: base, inner margin medially and 
costa, except edge, pale pinkish cinnamon, the base limited by a cinnamon buff vertical line; costal edge and 
median area cinnamon buff; discal line outwardly edged with silvery white; outer line very fine and faint, 
slightly outcurved on costa; an incurved lilaceous shade from apex to termen at vein 3, termen otherwise cinna¬ 
mon buff. Hindwing pale cinnamon pink; an antemedial shade and termen cinnamon buff, broadly at apex, 
narrowing to anal angle; a faint medial dark curved line. Forewing below ochraceous orange; discal line 
entirely black; outer line heavier, the lilaceous shade from apex narrower, the termen otherwise cinnamon 
buff. Hindwing below more distinctly marked, the colour as on upper side. Expanse: 33 mm. Muzo, Colombia; 
Cachi, Costa Rica. Termen of wings slightly crenulate. 
L. lygia Schs. Male: Head, throat, and forelegs pinkish cinnamon. Collar and abdomen pale vinaceous lygia. 
fawn, the thorax white. Wings pale ecru drab with scattered black scales. Forewing: costal edge and cilia 
pinkish cinnamon, the latter tipped with white; a faint black line on discocellular; a fine dark antemedial line, 
slightly outcurved; medial area faintly suffused with vinaceous pink; outer line very faint, not outangled below 
costa; faint darker suffusions from tornus to vein 4. Hindwing: termen suffused with vinaceous fawn. Wings 
below with black scales more numerous; medial area of forewing and termen of hindwing vinaceous cinnamon. 
Wings finely crenulate. Expanse: 35 mm. Sixola River, Costa Rica; Sao Paulo de 01iven§a, Amazons. 
L. cantia sp. n. Male: Wings shaped as in turnina, but less deeply crenulate. Head, palpi, and forelegs canlia. 
light coral red. Body and wings pale drab grey, almost white with a few black scales; abdomen dorsally suffused 
with light cinnamon drab. Forewing: costal edge cadmium yellow; an antemedial cinnamon drab line from 
subcostal to inner margin, slightly outbent, followed by a light vinaceous fawn shade; a few black and white 
scales on discocellular; postmedial line narrow, hair brown, slightly outbent on costa, vertical, finely wavy to 
inner margin, followed by a cinnamon shade on inner margin to tornus, above vein 2 to vein 4 by a wavy hair 
brown shade; termen towards apex narrowly cinnamon drab; cilia clay colour tipped with white on interspaces. 
Hindwing with some scattered black scales; traces of a faint outcurved postmedial line; cilia as on forewing 
tipped with white only towards anal angle. Eorewing below suffused with tawny to postmedial line which is 
more heavily marked. Hindwing below with postmedial line distinct from vein 3 to inner margin; termen from 
apex to vein 3 tawny olive. Expanse: 26 mm. Sao Paulo de 01iven9a, Amazons. 
L. ? violacea Sepp. This species, unknown to me except by the figure in Sepp, is doubtfully placed violacea. 
here. It is deep violet plumbeous irrorated with black, the outer margin glaucous grey with a dark terminal 
line; traces of an antemedial and postmedial line; a dark spot on discocelLular. The hindwing is without the 
pale outer margin and shows a postmedial line inbent to middle of inner margin. The wings are apparently 
crenulate, not excised below apex of forewing. Expanse: 45 mm. Surinam. 
L. perplexa Schs. Male: Head pinkish buff. Collar and thorax pale cinnamon pink, the tegulae with perplexa. 
some black scales. Abdomen pale pinkish buff. Wings drab grey irrorated with black. Forewing: outer half 
of cell and a patch beyond between veins 5 and 10 light coral red; a black streak on discocellular; outer line 
drab, slightly incurved below vein 5; termen with some darker suffusions. Hindwing: termen narrowly and a 
broad line from beyond middle of costa to middle of inner margin cinnamon buff. Wings below similar with 
colouring more intense. Expanse: 29 mm. Quirigua, Guatemala. Outer margin of forewing sinuous, of hindwing 
rounded. 
L. rosea Dogn. Male: Body and wings pale vinaceous fawn, the basal half of wings with scattered rosea. 
black scales; head and front of collar light pinkish cinnamon. Forewing: costal edge light pinkish cinnamon; 
traces of a pinkish antemedial line; a black line on discocellular edged with whitish; outer line fine, black, wavy, 
between veins 4 and 2 lunular, followed from vein 4 to inner margin by a faint vinaceous fawn shade. Hindwing: 
a dark postmedial outcurved line; apex suffused with vinaceous fawn; a faint dark line on discocellular. Forewing 
below light coral red from base to outer line, the inner margin and termen pale vinaceous fawn, partly suffused 
along termen with vinaceous fawn. Hindwing below as above. Expanse: 32 mm. Popayan, Colombia. Forewing 
with termen sinuous, crenulate below vein 3. Hindwing very faintly crenulate at apex, the anal angle acute. 
L. arizonicum Dyar. Male: Forewing not falcate, termen slightly sinuous and crenulate at tornus. anzonicum. 
Hindwing faintly crenulate. Body pale pinkish buff, the head suffused with light vinaceous cinnamon. Wings 
light pinkish cinnamon. Forewing: a greyish line on discocellular outwardly edged with white; postmedial line 
very fine, wood brown, slightly curved on costa. Hindwing slightly suffused with pinkish cinnamon, the line 
very fine, slightly outcurved, medial. Wings below slightly darker with some black irrorations; fine black 
lines on discocellulars of both wings. Expanse: 29 mm. Arizona, United States of America. 
