4 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 125 
in anterior third, strongly sclerotized in posterior two-thirds. Accessory 
bursa not evident in this example (may have been destroyed). Lamella 
antevaginalis and lamella postvaginalis rather strongly sclerotized. 
Type: U.S. National Museum. 
Type-locality: Mexico, Mexico City. 
Distribution: Mexico. 
In his description of this species, Busck did not mention the number 
of specimens he had before him. In the U.S. National Museum 
collection there are four specimens from Mexico: one 2 marked 
“TYPE” in Busck’s handwriting; one 9 marked “‘Cotype” anda o& 
and 9, the latter from Tehuacan, with red “‘cotype” labels. All bear 
USNM type number 22307 and all have a small white label with the 
number 3958. 
The type and first cotype indicated above are conspecific, but the 
third and fourth specimens, the o@ and the 9 from Tehuacan, are 
what was described as Hysterosia perspicuana Barnes and Busck, from 
Arizona. The known range of perspicuana is thus extended into Latin 
America. 
Hysterosia iodes, new species 
FIGURE 2; PLATE 1 (FIG. 3) 
Alar expanse 28 mm. 
Labial palpus fuscous, the scales laterally sparsely white tipped, 
and strongly so dorsally on second segment. Antenna ochraceous buff 
with fuscous scaling dorsally at base; scape fuscous. Head and thorax 
André 
pizzini 
Ficure 2.—Hysterosia iodes, new species: a, ventral view of male genitalia with left 
harpe and aedeagus removed; b, aedeagus. 
