201 



last three fuiiicle joints, and more scattered on the club; the under side 

 of the sixth funicle joint set with a row of about eight or nine short, 

 erect, clavate hairs including one or two on the base. of the club. 



Abdomen, depressed, triangular, cordate at base and truncate at 

 apex, the ventral plica strongly developed. Wings relatively wider than 

 in female, the disk considerably less densely and more coarsely ciliated. 



Head very finely rugosely reticulate on the face and slightly more 

 coarsely rugulose on the frontovertex ; mesopleura minutely reticulate ; 

 the first tergite of abdomen with much more evident and coarser reticu- 

 lations than in the female. Head much less pubescent, the face and 

 cheeks with only a sparse pubescence, the frontovertex narly bare ; the 

 abdomen entirely free from the white, appressed pubscence of female, and 

 with only a few scattered, soft hairs on the dorsum. 



Length: .58 to 1.05 mm. 



Head brownish black, slightly shiny, the facial ridge more l)rownish, 

 face and clypeal margin below the antennae and most of tho cheeks 

 strontian yellow (Ridgway); tliorax and abdomen black, the notum 

 slightly shiny, the dorsum of abdomen with an iridescent luster. Anten- 

 nae brownish black, the tlagellum more brownish, the base of scape yel- 

 low. Legs pale yellow ; the coxae fuscous except at apex ; the front and 

 hind tarsi somewhat brownish on the upper side, becoming darker at 

 apex; the last two joints of the middle tarsi rather dark brown. Wings 

 as in the female. 



Described from 31 females, 38 males (type, allotype, and 

 paratypes) from various parts of Honolulu, Oahu, either 

 reared from Trionymus insularis Ehrhorn or swept from Ber- 

 muda Jirass ou which the mealyl)Uo; is commonly t'nund fSwe- 

 zey and Timherlake) ; 9 females, 11 males (paratypes) I'carcd 

 from the same host on Sporoholii.s. Oahu Plantation, Oahu; 

 one ]iair (paratypes) swept from Bermuda grass at Lihue. 

 Kauai (Timherlake) ; and one female (paratype) from Lu])c 

 Ditch, 1200 feet, Maui (Giffard and Fullaway). The oldest 

 specimen seen is a male (paratype) collected at Waialua, 

 Oahu, Aug. 24, 1010 (Swezey). 



Xanthoencyrtus apterus n. sp. 



Female: Head somewliat wider tlian thorax, very thin fronto-occipi- 

 tally, the face and frontovertex lying in one plane, as seen from in front 

 nearly circular; occiput concave above, with the neck inserted consider- 

 ably above the center; space between the eyes from the antennal sockets 

 to the occipital margin a little longer than wide, rather deeply concave 

 with a triangular, raised area on tlie dorsal lialf. the vertex but little 



