78 
Psyche 
[Sept.-Dee. 
beyond the forking curves forward more than in most species; 
in hind wings four cross-veins before radial sector, seven radials 
before stigma, no gradates in apical costal area, three branches 
of anal vein. 
Length of fore wing 23 mm.; width 5.8 mm. Length of hind 
wing 21 mm., width 4.8 mm. 
One female from Gavilan, California, 11 July (G. H. &. J. L. 
Sperry). Type M.C.Z., No. 25850. 
Synopsis of the Small Myrmeleons of United States 
1. Two series of cross-veins in apical field of fore wings; vertex 
usually entirely dark; veins with dark dots (or none), 
no dark streaks on cross-veins 2. 
But one series of cross-veins in apical field of fore wings; 
vertex often spotted with pale; cross-veins often partly 
or wholly dark 4. 
2. Pronotum with a median dark streak, narrowed in front; 
veins scarcely dotted with dark; legs not marked with 
black; at most reddish brown t exanus. 
Pronotum with a broad dark mark, containing more or less 
plainly about five pale spots; veins plainly dotted with 
dark 3. 
3. Last joint of labial palpi much swollen crudelis. 
Last joint of labial palpi slender carolinus. 
4. Hair on veins, especially toward tip of wing, largely white; 
apical costal area expanded in front; cross-veins little 
marked with dark; vertex wholly dark . . calif ornicus. 
Hair on veins black; apical costal area not expanded in 
front 5. 
5. Radials and many cross-veins dotted with dark, not dark in 
streaks nor wholly so 6. 
Radials and most other cross-veins not dotted, but of an 
even color, usually dark, or dark in streaks 7. 
6. In the hind wings the radius and cubitus at least on basal 
part are plainly darker than other veins; radial sector 
also partly dark; mid and hind femora broadly banded 
with black; scutellum dark; vertex mostly dark; fore 
wings not 25 millimeters long arizonicus 
In hind wings the radius and cubitus not darker than other 
veins; mid and hind femora largely yellowish brown; 
scutellum pale; fore wings fully 25 millimeters long ... 
rusticus. 
