38 
Psyche 
[March 
characteristics and color that there seems no doubt of the 
correctness of the association. The male genitalia, fig. 66, 
are distinctive. 
Limnephilus nigriculus (Banks), 1908b, p. 262, pi. 19, fig. 11. 
( Anabolia ) 
Lectotype, male. — Clear Cr., Colorado, September 10, 
1889, Oslar. No. 11664. 
The male genitalia are illustrated in fig. 68. They form 
an intermediate step between modesta, fig. 65, and mutatus, 
fig. 66. 
Limnephilus occidentalis Banks, 1908b, p. 264, pi. 18, figs. 
1, 3. 
Lectotype , male. — Tacoma, Washington, September 5, 
1897. No. 11620. Lectoallotype, female. — Wellington, 
British Columbia, Bryant. 
The male genitalia, fig. 60, have small cerci and broad 
claspers. The lateral arms of the sedeagus are a primitive 
type. 
Limnephilus oslari Banks, 1907a, p. 121, pi. 9, fig. 19. 
Lectotype, female. — South Park, Colorado, August 25, 
1899. No. 11632. 
The color pattern shows this to be the same as externus 
Hagen. 
Limnephilus pacificus Banks, 1899, p. 207. 
Lectotype, male. — Olympia, Washington, Kincaid. No. 
11610. Lectoallotype, female. — Tacoma, Washington, Sep- 
tember 5, 1897. 
This species has been synonymized with sitkensis 
(Kolenati) . 
Limnephilus nepus new name for 
Limnephilus pacificus (Banks), 1900a, p. 254. ( Steno - 
phylax) . Preoccupied by the preceding species. 
Lectotype, male. — Pullman, Washington. No. 11663. 
Lectoallotype, female. — Same data, May 4, 1898. 
The male genitalia, fig. 67, have a curious sedeagus which 
is a simple derivative of the modesta type (see figs. 65, 66). 
Limnephilus pallidus (Banks), 1924, p. 442, fig. 54. ( Apolo - 
psyche) 
