90 
Psyche 
[September 
Fore wing: broad, 5-7 presectoral cross veins, the last 
usually connected to first cross vein from RS+MA; 9-11 
branches of RS+MA; 9-10 cross veins between CuA and 
CuP+Ai; 8-10 cross veins between CuP-fAi and wing 
margin. Hind wing: cubital area broad, with four rows of 
cross veins. 
Parameres (Figure 19) similar to those of macer, but 
the plates much farther apart, the inner margin strongly 
concave. 
Body length, 24.-27.5 mm.; fore wing, length 30.5-35. 
mm., width 7. 6-9. 6 mm.; hind wing, length, 28.5-32. mm.; 
width 7. 1-7. 6 mm.; labial palpus, length 0.78 0.88 mm.; 
width 0.20-0.25 mm. ; antenna 5. 7-6. 7 mm. 
Holotype $ : 5 mi. S. of San Miguel, L. Cal. VII-20-38, 
Michelbacher and Ross, in the Museum of Comparative 
Zoology. Paratypes: Riggs, Calif. 5-9-34 $ , Sperry (MCZ) ; 
Borego Valley, Calif., VI-6-40, C. D. Michener (CIS) ; El 
Mayor, L. Calif., IV-19-39, 1 $ 1 $ , E. S. Ross (CAS); 
Mejia Is., Angel de la Guardia I., Gulf of Calif.; VI-28-21, 
$ , E. P. Van Duzee (CAS). 
These specimens are an insipid pale brown in color, with 
few really distinct markings on head or thorax ; nowhere is 
there any structure which is strongly pigmented — black 
is absent. The large, heavily swollen labial palpi (Figure 
28) are characteristic. The holotype and the Mejia Isd. 
specimens are paratypes of affine Banks. 
Eremoleon gracile, new species 
Figures 3, 17, 29 
Face pale ; shiny dark interantennal band present, widely 
separated from first vertex row. First vertex row with a 
curved, dull black dash each side, and a pair of indistinct 
submedian brown dots ; second row similar but fainter ; be- 
hind a shiny black spot each side near eye, and an indis- 
tinct brown median mark. Labial palpi short, pale. Scape 
and pedicel shiny-black, flagellum slender, the segments 
slightly longer than wide, reddish brown, the tip strongly 
swollen, much darker. 
Thorax mostly pale, notum marked as in Figure 3 ; meso- 
and metepisterna largely infuscate, epimera largely pale; 
expansion of mesepimeral wing process light yellow. Fore 
