246 
catalogue of 
Page 148. 
Nematocampa Nyparia. 
Mas. Pallide flava ; caput supra albidum ; antennae simplices ; 
thorax antice fuscus ; tibia posticce vix incrassatae ; alee bre- 
viusculae , linea obliqua tenui albida , puncto discali nigro , 
margine exterior e angulato ; antic ae fusco dense conspersce , 
linea antice arcuata nigro punctata, costa basi fusca, apice 
rectangulato ; posticce fusco transverse strigatce, linea recta, 
linea interiore ferruginea subundulata , gutta discali macula - 
que postica nigris . 
Male . Pale yellow. Head whitish above. Antennae simple. 
Thorax brown in front. Hind tibiae hardly incrassated. Wings 
rather short; line whitish, slender, oblique; black discal point dis- 
tinct ; exterior border distinctly angular. Fore wings thickly 
speckled with brown ; line curved in front, with black points, of 
which the largest is costal ; costa brown at the base ; tips acutely 
rectangular. Hind wings transversely streaked with brown ; line 
straight ; an interior slightly undulating ferruginous line ; a black 
spot near the interior angle and a black dot more in front, both 
equally distant from the white line. Length of the body 5 lines ; of 
the wings 12 lines. 
Rio Janeiro. In Mr. Fry’s collection. 
Genus OMIZA. 
Mas. Corpus sat robustum. Proboscis brevis. Palpi breves, 
ascendentes, non crassi ; articulus 3us conicus, brevissimus. An- 
tennae late pectinatae, apice simplices. Abdomen alas posticas non 
superans ; fasciculus apicalis parvus, quadratus. Pedes validi; 
tibiae posticae non incrassatae. Alae longae, amplae ; anticae vix 
acutae, costa recta, margine exteriore vix convexo valde obliquo. 
Male. Body moderately stout. Proboscis short. Palpi 
short, not thick, applied to the head ; third joint conical, less than 
one-fourth of the length of the second Antennae broadly pecti- 
nated, except at the tips. Abdomen not extending beyond the hind 
wings, with a small quadrate apical tuft. Legs stout ; hind tibiae 
not incrassated. Wings long, ample. Fore wings hardly acute ; 
costa straight ; exterior border hardly convex, very oblique. 
