1956] 
Adams — Myrmeleontidae 
99 
orifice infuscate. Antennae short, pale brown apically. Pro- 
notum pale, a faint pair of convergent narrow median 
stripes behind furrow, and a pair of lateral black dots on 
furrow. A pair of short basal stripes on scutella, fused on 
metascutellum. Pleura mostly pale; legs pale, apical dark 
bands on third, fourth, and fifth tarsal segments. Hind 
spurs as long as 1 V 2 tarsal segments. Femoral chaetae 
white (some black on hind femora) ; tibial chaetae black. 
Abdomen ( $ ) : much longer than wings ; third and 
fourth segments strongly curved downward. Basal half 
pale, apical half brownish with a faint dorsal pale stripe 
each side. Ectoprocts produced, upcurved, forcipate. Para- 
mere hooks viewed from below spread at right angle basal- 
ly; tips recurved, parallel; hooks flattened laterally, blunt. 
Many setae on membrane beside parameres up to level of 
Figure 2. Hesperoleon dejlexus, holotype. male. 
hinge. Female abdomen short ; a pale dorsal stripe each side, 
wider at base, middle and apex of tergites. Venation mostly 
pale, longitudinal veins often interrupted with black at 
intersections with cross veins; in fore wings a dark spot 
at base of creamy stigma, outer end of hypostigmatic cell, 
a few along CuA before fork, one at MP 3 + 4 , halfway be- 
tween MP3+4 and rhegma, and at rhegma. Hind wing: 
stigma creamy, longitudinal veins less marked with dark 
than fore wing, no spots. 
Fore wing: 3 presectorals ; 8 or 9 branches of Rs+MA; 
8-10 cubital cross veins, sometimes 1 or 2 connected; 7 or 
8 anal veinlets, none connected. Hind wing: 2 (rarely 3) 
