4 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 120 
The lectotypes of brasiliana and parva have been compared side 
by side and, with the exception of a few small quantitative differ- 
ences, have been found identical. The figures here presented were 
made from the lectotype of parva. 
Psychomyiidae 
Polyplectropus annulicornis Ulmer 
FIGuRES 1g,h 
Polyplectropus annulicornis Ulmer, 1905b, p. 91; 1907b, p. 185; 1913, p. 406.— 
Fischer, 1962, p. 92. 
Lectotype, female: “Rio Gr. do Sul Stieglmayr,”’ ‘“‘annulicornis det. 
Ulmer,” “Lectotype Polyplectropus annulicornis Ulmer Designated 
Flint.”” In Vienna. 
The type series of the species consists only of females, one of which 
is here selected as lectotype and figured. In addition, a series of 
males and females, carefully compared with the lectotype, from 
Plaumann in Santa Catarina has been studied and the male genitalia 
of one figured. 
Polyplectropus flavicornis Ulmer 
Fiaures le,f 
Polyplectropus flavicornis Ulmer, 1905a, pp. 103, 104; 1907b, p. 185; 1913, p. 406.— 
Tomaszewski, 1961, p. 4.—Fischer, 1962, pp. 92, 93. 
Lectotype, male: “S. Catarina Liiderwaldt,” ‘‘Type,” “St. Zt. 1905, 
p. 104 N. 87,” ‘“Polyplectropus flavicornis Ulm. Type.” “Lectotype 
Polyplectropus flavicornis Ulmer By Flint.”” In Warsaw. 
The figure of the male genitalia was made from the lectotype and 
that of the female from one of the paralectotypes. 
Xiphocentron bilimeki Brauer 
Figures 1i,j 
Xiphocentron bilimeki Brauer, 1870, p. 66; 1871, p. 103.—Ulmer, 1907b, p. 176; 
1913, p. 407.— Ross, 1949, pp. 3, 4—Fischer, 1963, p. 138. 
Lectotype, male: “‘Bilimek Mexico 1871,” ‘‘Bilimeki det. Brauer,” 
“Bilimeki det. Ulmer,” ‘“Xiphocentron Bilimeki Brauer,” “Lectotype | 
Xiphocentron bilimeki Brauer Designated Flint.’”? In Vienna. 
The figures of the genitalia were made from the lectotype. This | 
species has a very long, broad spur on the hind tibia as mentioned in 
the original description. 
Hydropsychidae 
Blepharopus diaphanus reticulatus Ulmer 
FIGURES 2e-g; PLATE 2c 
Blepharopus reticulatus Ulmer, 1905a, pp. 52, 53; 1907b, p. 162.—Tomaszewski, 
1961, p. 2. 
