BANKS: NEW NEUROPTEROID INSECTS. 331 



PSAMMOLEON PARVULUS, sp. HOV. 



TYPE. M. C. Z. 10,648. Brazil: Chapada (H. H. Smith). 



Face pale, dark mark from eye to eye over antennal bases, a gray band above 

 antennae, vertex dark, without definite marks; palpi pale, last joint dark; 

 antennae dark, narrowly annulate with pale; pronotum dark, with a short 

 pale stripe each side, not reaching either end; rest of thorax dark, some sutures 

 pale; abdomen dark; legs pale, front femora mostly dark, a pale stripe on 

 upper front side, middle and hind femora dark at tip and near base, tibia dark 

 at tips, middle and front tibiae also dark near middle and toward base, and 

 with some small spots, tarsal joints dark at tips. Wings hyaline, veins alter- 

 nately dark and pale, but more dark than pale, fore wings with oblique dark 

 line up from end of anal vein, and another at end of cubitus as usual, stigma 

 hardly distinct; wings slender, acute; seven cross- veins before radial sector 

 in fore wings, nine branches of radial sector. Legs not much thickened, with 

 very long black bristles and short white hairs; spurs as long as two to more 

 than three joints. 



Length of fore wings 21 mm. 



MYRMELEON INCOMPLETUS, sp. nov. 



TYPE. M. C. Z. 10,651. Ecuador: Posorja (F. Campos). 



Face shining black, only lower part of clypeus, and the sides near eyes pale ; 

 vertex dark, four submedian spots and one each side darker, a pale spot each 

 side also; palpi with last joint black; antennae dark, tips darker; pronotum 

 dark, indistinctly marked with pale, the anterior sides, a median stripe in 

 front, and a submedian stripe each side pale; rest of thorax dark, sides with 

 pale sutures; abdomen dark, tips of some segments pale above; legs pale, 

 femora shining, with black streak above and below, tibia black beneath and 

 lined each side, tarsi mostly black. Wings hyaline; veins pale, with dark 

 streaks, cross-veins more dotted with dark; stigma pale, scarcely distinct; 

 in fore wings seven cross-veins before radial sector, four in hind wings, ten 

 branches to radial sector; wings moderately slender, acute at tips. Pronotum 

 much broader than long, tarsus of front legs scarcely longer than the tibia, 

 spurs a little shorter than first tarsal joint. 



Length of fore wing 29 mm. 



MYRMELEON PALLIDIPES, sp. nov. 



TYPE. M. C. Z. 10,649. Brazil: Chapada (H. H. Smith). 



Head mostly reddish to red-brown, clypeus and lower face pale, above the 

 antennae rather more black, vertex without definite marks, palpi pale; an- 



