NATHAN BANKS. 347 



the two radial sectors not connected ; the four outer gradates rather- 

 well separated, the one between the radial sectors more basad than 

 the others, the inner four gradates not far apart, the hindmost is be- 

 yond the next above it; hind wings faintly brownish, with dark dots 

 around the margin. 

 Expanse 10 mm. 



From Prescott, Arizona (Oslar). 



Sympherobiiis bifasciatiis n. sp. 



Head pale, a dark brown stripe under each eye, a spot between an- 

 tennae, a brown spot just above antennse and a broken one behind on 

 vertex, leaving a pale transverse band between them ; pronotum dark 

 brown, with a median yellowish stripe. Wings hyaline, with a curved 

 brown band over each gradate series, and also the basal part of cubitus ; 

 venation pale, with rather long dark brown streaks ; hind margin of 

 wing pale, with dark spots. Wings rather slender, the two radial 

 sectors not connected, except at outer gradate series, these not much 

 separated from each other, the four in inner gradate series make a 

 curved line, but not widely separated. 



Expanse 9 mm. 



From Colorado (Baker), No. 1027. 



MANTISPID^. 



Mantispa cincticoruis n. sp. 



Head pale ; a broad, brown, vertical stripe from mouth up between 

 antennae, broader than in A^. sayi ; antennae yellow on basal fourth, 

 then black, then yellow for several joints and the tip blackish. Ante- 

 rior part of pronotum dark; thorax and abdomen reddish brown, 

 latter marked with black ; legs pale, femora dark at tip. Wings with 

 long, narrow brownish stigma, and a small dark apical spot, the fore 

 pair fuscous at base. 



In general structure similar to A^. interrupta, but separated by banded 

 antennae. 



Expanse 22 mm. 



From near Brownsville, Texas (Snow). 



Mantispa fiiscicoruis n. sp. 



A brown spot in middle of the clypeus, on the sides and across base 

 of the clypeus, and at base of antennae ; also dark above antennae ; 

 basal joints of antennae yellowish, beyond the second joint dark brown 

 or blackish, vertex with brown spot each side near eye ; pronotum 

 pale, front edge dark, with anterior sides dark and a short, dark 



TRANS. AM. ENT. SOC, XXXVII. 



