Dec, I9II-] Banks: Psammocharidje. 235 



with a few erect hairs ; metanotum long, sloping, sericeous, median line scarcely 

 distinct ; abdomen long, sericeous, apical segments very hairy, a few hairs on 

 preceding segment; legs very slender, hind tibiae serrate, but with very short 

 spines, the long spur of hind tibia scarcely one half of the metanotum. Wings 

 nearly hyaline, fore-wings dark around tip, second submarginal fully one and 

 one half times as long as broad, first recurrent received beyond the middle, 

 third submarginal still longer, narrowed above, second recurrent arising beyond 

 middle of anal cell, slightly sinuate to middle of third submarginal ; marginal 

 cell acute at tip ; basal vein rounded at base, and before the transverse vein. 

 Length i6 mm. 

 From Fedor, Lee Co., Texas, 2 June (Birkmann). 



Table of Cryptocheilus. 

 I. Antennje yellowish, in part at least 



Antennae black 



• 4 



Wings dark, body ferruginous nuperus. 



Wings hyaline 



3. Wing with three dark bands ; thorax pale facetus. 



Wing with apical band only, thorax black placitus. 



4. Thorax reddish, also the abdomen 5 



Thorax black .' ' ' 



. . , , , „„ii scitiiia. 



5. Head black ; legs pale, small 



Head reddish ; legs black, larger mgripes. 



6. Abdomen reddish above and below 7 



Abdomen not reddish below, sometimes above on basal segments. . ...... 10 



7. Hind legs reddish, wings pale, with a dark cloud alienafus. 



Hind legs black, no cloud in wing, or wings all dark 8 



8. Coxae very hairy ; western species compara us. 



Coxae sericeous, barely hairy 



g Abdomen sericeous ; third cell longer than broad ; abdomen elongate. 



arcuatus. 



Abdomen shining; third cell broader than long; abdomen shorter, .nothus.^ 



10, Abdomen with red on basal segments above " 



12 



Abdomen all black ' 



II First segment of abdomen dark at tip; coxae and femora hairy. . . .vahdns. 



First segment of abdomen all reddish pccneparcus. 



12. Face with dense golden hair; spurs white: pronotum shining. . .f./gi/ron.. 



Face with silvery hair, or black ' ' 1 " 



Metanotum wrinkled behind; wings deep black; third cell much longer 



14 



than broad 



Metanotum not wrinkled behind " ' ' 



Pronotum barely angulate ; marginal cell acute at tip ; antenna rather short ; 

 , . fortts. 



coxae very hairy 



Pronotum plainly angulate behind; marginal cell rounded at tip; antenna 



very slender ; middle and hind coxs but little hairy subopacus. 



13. 



14, 



