548 
THAGONA. By Dr. W. Schatts. 
glaucoalba. 
liedila. 
fans. 
bilincct. 
impura. 
postropaea. 
crassilinea. 
pura. 
unilinea. 
Limula. 
Type: P. glaucoalba WJcr. 
P. glaucoalba Wkr. $. Body white partly tinged with pale green; fore legs striped 'with ochraceous. 
Fore wing creamy white. Hindwing thinly scaled, white. Bolivia. Have examined the type in British Museum. 
10. Genus: Thagonsi Mdschl. 
(1. Antennae hipectinated with terminal bristles. Palpi upturned to frons, thickly scaled in front, the 
third joint somewhat porrect. Legs hairy, including the tarsi; hind tibiae with single pair of spurs. Wings 
broad; veins 2—4 well apart, 4 from lower angle of cell; 5 slightly above angle; 6 from upper angle; 7—10 
atalked, 10 from 8 before 7; 11 free. Hindwings: vein 2 well before end of cell; 3, 4, 5 slightly apart; 6 and 7 
from upper angle. 
Type: T. unijormis Moeschl. 
T. liedila Drc. {72 k). <$. Antennae light buff. Palpi, thorax and abdomen buck thorn brown; vertex 
and collar white. Forewing mostly yellow ocher crossed by Kaiser brown veins; base of wing broadly pure 
white; an irregular curved white crescent on end of cell, enclosing a yellow ocher space containing some black 
scales; apex white; termen below vein 5 white to tornus, more broadly between veins 5 and 3. Hindwing white 
suffused with light drab, becoming darker on termen. Expanse: 14—25 mm, $ 34 mm. Amazons; Peru; 
Costa Rica. 
T. taus Dyar (72 k). <$. Head, collar and thorax laterally white. Abdomen above drab with white 
segmental lines, underside and legs white. Fore wings pinkish cinnamon; median beyond vein 2 and discocellular 
white, also base of veins from cell; costal margin medially white, its edge light buff; a fine dark streak in cell 
on basal half, followed by a broken white line; a broken white antemedial line, punctiform in cell, deeply 
incurved below cell; a dark medial spot above submedian; traces of a subterminal dentate white line; veins 
on termen tipped with white. Hindwing white. Expanse: 19 mm. Cayenne, French Guiana. 
T. bliinea Schs. (72 i). <$. Head and thorax drab grey. Abdomen above light ochraceous buff. Wings 
white. Forewing mottled with grey; the veins and two transverse thick lines and cilia isabella colour; inner 
line from middle of costa to near base of inner margin; outer line from costa near apex to middle of inner 
margin. Expanse: $ 37 mm; $ 56 mm. French Guiana; Amazons. 
T. impura Schs. (72 h). $. Head, thorax and fore wing light buff. Abdomen and hindwing white. 
Legs light buff with paired black lines on tibiae and tarsi. Forewing: veins faintly defined; two narrow transverse 
lines isabella colour; inner line from subcostal before middle to inner margin at one third from base. Expanse: 
43 mm. Sao Paulo, Brazil. 
T. postropaea Dyar (72 i). Head, thorax and forewing olive buff. Abdomen buff yellow when 
not discoloured. Hindwing white. Forewing: the veins broadly white except subcostal; two transverse isabella 
colour lines; inner line from middle of subcostal, which is also isabella colour from middle to base, inbent to 
submedian at one third from base; outer line from costa near apex to below middle of submedian and incurved 
to base. Expanse: 17 mm, $ 35 mm. The Guianas; Amazons. 
T. crassilinea Dogn. (= bilinea Dogn., pura Dogn.) (72 i). <$. Shaft of antennae white, branches 
ochraceous buff. Head, thorax and legs white, palpi laterally black; mid tibiae and tarsi and hind tarsi thickly 
irrorated with black. Wings white, the veins more heavily scaled. Forewings: two rather broad light greyish 
olive lines cut by veins, the inner line from middle of costa to submedian at one fourth from base, the outer 
line from apex to middle of inner margin; at apex the scaling is black. Expanse: 36 mm, $ 49 mm. The $ 
has the anal segment above deep mouse grey. The Guianas; Amazons. 
T. pura Wkr. (72k). Body and wings white; branches of antennae buff; palpi above fuscous. 
Forewing crossed by two fine brownish lines; inner line from well beyond middle of costa to inner margin near 
base; outer line from interspace between veins 6 and 7 to near termen, then angled and inbent to inner margin 
before middle. Expanse: $ 28 mm, $ 35—40 mm. Amazons; Panama; Costa Rica. 
T. unilinea Dogn. (72 k). Head and abdomen whitish; thorax and forewing light vinaceous cinnamon, 
the latter with an olivaceous brown line from apex to inner margin near base. Hindwing with vinaceous suffusions, 
chiefly on termen. $. Forewing pale pinkish buff irrorated with vinaceous buff; the line as in q. Expanse: 
G 17 mm, $ 30 mm. Amazons; British Guiana. 
T. limula Dogn. (72 i). $. Body and wings white. Palpi and abdomen laterally olivaceous; vertex 
with some vinaceous scaling. Forewing: lines below subcostal, in cell, below cell and below submedian and in 
