NO, 3660 MICROLEPIDOPTERA, XVII—CLARKE 45 
gray; cilia white with broad gray basal band. Hindwing grayish 
fuscous, paler basally; cilia gray with darker basal band. Foreleg 
white on inner side, fuscous outwardly; tarsal segments narrowly 
banded white; midleg white, suffused with fuscous on outer side of 
femur and tibia; tarsus with spots of fuscous; hindleg ocherous white, 
faintly marked with grayish. Abdomen white, suffused grayish dorsally 
and ventrally. 
Male genitalia slide JFGC no. 11211. Harpe triangular, very broad 
basally; cucullus bluntly pointed; sacculus with a sharp, curved 
spine near base on inner side and a conspicuous hairpencil on outer 
side. Uncus a very short, digitate process. Transtilla widely ex- 
panded laterally; median area narrowed and armed with a few sharp 
teeth. Vinculum not coalesced at middle; lateral elements curved and 
thickened anteriorly. Tegumen short and broad. Anellus an elongate, 
sclerotized plate. Aedeagus stout basally, curved, terminating in a 
point; vesica armed with a single slender cornutus, dilated basally. 
Female genitalia slides JFGC nos. 11624, 11212. Ostium broad, 
slitlike, posteroventral edge slightly convex. Inception of ductus 
seminalis dorsally from about middle of bursa copulatrix. Ductus 
bursae broad, short, ornamented with sclerotized ribs that extend 
into bursa copulatrix posteriorly; signum absent. Accessory bursa 
not reaching beyond anterior end of bursa copulatrix. 
Holotype: U.S. National Museum No. 69732. 
Type-locality: Mexico, Pue. 
Distribution: Mexico. 
Food plant: Pinus species. 
Described from the male holotype and 2 99 paratypes all with 
identical data (January 1960. Guevara. Rf. Pinus). 
There appears to be no known close relative of this species except 
the following, newly described platina. 
Trazona platina, new species 
Figure 24; PLATE 2 (ria. 5) 
Alar expanse 16 mm. 
Labial palpus fuscous; third segment white on inner side. Antenna 
fuscous; scape white. Head white. Thorax fuscous with some white 
posteriorly. Forewing ground color silvery white with pale greenish- 
yellow reflections; basal fifth of costa, to fold, fuscous; on midcosta 
a broad, truncated triangular mark extends across end of cell; on 
costa, between midcostal mark and apex, two grayish-fuscous spots; 
on dorsum before tornus an elongate, transverse triangular spot 
preceded and followed by small fuscous dashes; from apex, along 
termen, a broad fuscous band interrupted by white spots; underside 
of forewing fuscous; cilia mixed ochraceous buff and fuscous. Hind- 
