LEP1D0PTERA HETEROCERA. 
205 
Male. Blackish brown. Head fawn-colour. Thorax with 
numerous erect fawn-coloured hairs. Abdomen with two rows of 
luteous spots and with four rows of white dots. Fore wings deep 
black, with the veins, a discal dot, an undulating exterior band, an 
apical streak, and a line along the exterior border testaceous. 
Hind wings gray, with two brown stripes, and with a broad deep 
black testaceous-powdered stripe along the exterior border; eiliae 
testaceous. Length of the body 20 — 21 lines; of the wings 48 — 52 
lines. 
a . Santa Fe de Bogota. From Mr. T. J. Stevens’ collection. 
b. Colombia. From M. Becker’s collection. 
Group 2. 
Mas. Corpus sat gracile. Caput conicum. Proboscis lon- 
giuscula. Antennae setaceae, serratae, thorace paullo longiores. 
Abdomen thorace duplo longius, merabranis duobus apicalibus 
foliaceis. Pedes breviusculi, sat validi ; tibiae posticae calcaribus 
quatuor mediocriter longis. Alee longae, angustae ; anticae subacu- 
minatae, apud costam vix convexae, margine exteriore perobliquo ; 
posticae subacuminatae. 
Male. Body rather slender. Head conical. Proboscis rather 
long. Antennae setaceous, serrated, a little longer than the thorax. 
Abdomen full twice the length of the thorax, with two foliaceous 
appendages at the tip. Legs rather short and stout; hind tibiae 
with four moderately long spurs. Wings long and narrow. Fore 
wings slightly acuminated, hardly convex in front, very oblique 
along the exterior border, which is slightly concave towards the in- 
terior angle ; third interior vein much more than twice further from 
the fourth than from the second. Hind wings slightly acuminated. 
11. Macrosila incisa. 
Mas. Cana , subtus albida ; caput subtus obscure fuscum ; thorax 
nigro bivittatus ; abdomen nigro univittatum , maculis latera- 
libus luteis ; alee subtus fuscce , anticce lituris marginalibus 
strigaque apicali obscure fuscis, fascia perobliqua fusca ; pos- 
ticce fuscce , basi et apud marginem interiorem pallidiores. 
Hoary, whitish beneath. Head dark brown beneath. Thorax 
with a black stripe on each side. Abdomen with a black stripe and 
with luteous spots on each side. Wings brown beneath. Fore 
T 
