NEW GENERA AND SPECIES OF APHELININiE. 



73 



Genus MARLATTIELLA, new genus. 



Female. — -Tarsi 5-jointed. Wingv with an oblique hairless streak 

 extending- from stigma backward to near base of wing; the disc 

 otherAvise uniformly and rather densely ciliate; marginal vein much 

 longer than submarginal ; stigmal evident and plainly furnished 

 with a rounded knob at tip: fore wing obtusely rounded at tip. 

 Antennae 4-jointed ; scape inserted near mouth border, long, slender, 

 reaching to top of head ; pedicel considerably swollen, longer than 

 broad; the single funicle joint very small, almost like a ring joint 

 and rather oblique; club long and broad, rather blunt at apex, longer 

 than scajje, pedicel, and funicle together, and with sparse longitudinal 

 striations. Axilla^ of mesoscutum very narrow. Middle tarsi with 

 first joint nearly as long as second and tliird together; middle tibial 

 spur about as long as corresponding first tarsal joint. Hind tarsi 

 longer than middle tarsi. 

 Ovipositor somewhat ex- 

 truded. Eyes hairy. 



Male. — Unknown. 



Type. — The following 

 species : 



Marlattiella prima, new 

 species. (Fig. 13.) 



Female. — Length 0.84 

 mm. ; expanse 1.54 mm. ; 

 greatest width of fore 

 wing 0."24 mm. General 

 color dull orange-yellow : 

 eyes reddish brown ; ocelli 

 carmine; closed mandibles 

 dusky ; all legs uniformly 

 light yellow. Wings hya- 

 line, veins faintly dusky. 



Male. — Unknown. 



Type.—^o. 10297, U. S. 

 National Museum. Described from 10 female specimens bred from 

 Leueasj)is japoiviea Cockerell, collected by C. L. Marlatt, October 11, 

 1901, at Tientsin, China, on a " bush with variegated foliage," pos- 

 sibly a Croton. 



Genus MESIDIA Foerster. 

 Mc^idia Foerster. Il.vineiioiiterolojjische Stndien, Heft II. 18.50. p. .30. 



This genus, hitherto known only through Foerster's brief charac- 

 terization, is intermediate between ApheUnus and Coecophagus, hav- 



30383— No. 12. pt. 



Fig. 13. — MaiiaUirUa prima: Antenna, fore wing, and middle 

 leg of female. Greatly enlarged (original). 



