NEW GENERA AND SPECIES OF APHELTNIN.^^. 



83 



Genus CASCA, new genus. 



Female. — Comes rather close to Banlylu, from which, however, it 

 may be easily separated by tarsal, antennal, and wing characters. 

 All tarsi 4-jointed, the tarsal joints of middle leg all short and sub- 

 equal in length ; apical spur of middle tibia as long as first two tarsal 

 joints together; hind tarsi longer than middle tarsi, but the joints 

 are subequal in length as with the middle. Marginal vein of fore 

 wing rather shorter than submarginal ; stigmal evident ; disk uni- 

 formly ciliate, but more sparsely than with Bardylh: hind border of 

 wing slightly excavate be- 

 yond anal angle, tip regu- 

 larly rounded ; marginal 

 cilia long, longest at lower 

 w i n g tip. Antennae T- 

 jointed, somewhat clavate, 

 the club rather long and 

 but slightly swollen, ta- 

 pering to a point and with 

 the joints subequal in 

 length ; second f u n i c 1 e 

 joint shorter than first, 

 but of same width and 

 only slightly longer than 

 wide, much shorter and 

 narrower than first club 



joint; first funicle joint Tm.l'i.—Cales naacU: Antenna, fore wing, and middle leg of 

 1 / i • 1 female. Greatly enlarged (original). 



about twice as long as . ^ > s ; 



wide, as long as, but narrower than pedicel. Flagellum hairy and 



club with longitudinal stri». Eyes hair}-. 



Male. — Unknown. 



Type. — The following species : 



Casca chinensis, new species. (Fig. 20.) 



Female. — Length 0.86 mm.; expanse 1.34 mm.; greatest width of 

 fore Aving 0.16 mm. Head and face orange-yellow, occiput dusky; 

 ocelli and eyes carmine, the eyes darker than the ocelli ; antenn;e 

 light dusky j^ellow ; all legs pallid ; pronotum, abdomen, and meta- 

 scutum brown; mesoscutum also l)rownish at anterior border; re- 

 mainder of mesoscutum yellowish and remainder of mesonotum and 

 ineso]ileura pallid. Fore wing with a pronounced dusky cloud 

 below marginal vein, 



Male. — Unknown. 



Type. — No. 10310. U. S. National Museum. Described from 2 

 female specimens reared in California by Mr. E. K. Carnes from 



