100 
Psyche 
[September 
presectorals, 6-8 branches of Rs+MA, 5 (rarely 4) inner 
cubital vienlets. 
Measurements (mm., in order: $ holotype, $ paratype, 
2 allotype, 2 paratype) : body length 31.7, ,20.5, 20.0; 
length of abdomen 27.2, ,15.5, 20.0; fore wing length 
17.0, 18.5, 18.5, 21.0; width 3.8, 4.6, 5.3, 5.6; third segment, 
labial palpus, length 1.08, 1.16, 1.27, ; width 0.21, 
0.23, 0.31, ; antennal length 3.25, , 3.5, ; 
length of pterothorax 2.76, 2.95, 3.04, 3.2; length of third 
abdominal tergite $ 5.9, 5.9. 
Holotype $ and allotype 2 : Baker, San Bernardino Co., 
Calif., Aug. 23, 1952 (UCLA). Type deposited in the Cali- 
fornia Academy of Sciences, allotype in the UCLA Col- 
lection. Paratypes: Yermo, San Bernardino Co., Calif., 
10-4-49, 1 $ 1 2 , J. M. Stern (Adams Collection). 
This is a pale yellow species, somewhat resembling H. 
pallidus in color. The elongate labial palpi immediately dis- 
tinguish it from all other species of Hesperoleon save 
longipalpis (Hagen). 5 In longipalpis, the vertex marks are 
well pigmented, even in pale specimens; the antennal band 
on pale specimens consists of a spot under, and one lateral 
to, each antennal base. The ventral spots become confluent 
medially on darker specimens. In deflexus, the antennal 
band does not extend below the antennal bases, and the 
lateral spot is weak, connected to the antennal band above. 
In longipalpis, the male has short ectoprocts, long in de- 
flexus. The internal genitalia are similar, longipalpis hav- 
ing somewhat longer and sharper paramere hooks. 
Hesperoleon minutus, new species 
Figures 6, 13-16 
Face pale, interantennal band straight-margined above, 
below emarginate, often with median extension toward cly- 
peus. First vertex row a short band each side, and median 
wide cordate mark. Behind is a pair of submedian dots, 
then a pair of lateral dots on each side; posteriorly a tri- 
angular dark mark. Labial palpi about 1.5 times the length 
5 Hesperoleon longipalpis (Hagen) 1888 nov. comb. Banks made this 
species the type of his genus Scotoleon; it is merely a Hesperoleon with 
long labial palpi. 
