644 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.42. 



of the dorsum ; in the spiracles of the second segment being before the 

 middle and at the end of a lateral furrow, apical fourth of second, 

 dorsal segment reddish, third, dorsal segment, with nearly all of apical 

 two-thirds reddish, abdomen from the end of the third segment sub- 

 cylindrical and blackish with pale margins, hypopygium apparently a 

 little longer than the pygidium, ovipositor barely cxserted from 

 between two sheet-like sheaths that are apparently as broad as half 

 of the vertical diameter of the sixth segment, rounded at apex and 

 translucent brown. 



Type-locality. — East River, Connecticut. 



Type.— Cat. No. 14746, U. S.N.M. 



Labeled, "collected July, 1910, by Dr. Chas. B. Ely." 



(MESOCHORUS) PLECTISCUS PATULUS (Viereck), 

 (MESOSTENUS) POLYCYRTUS ALBOMACULATUS (Cresson). 

 (PHYGADEUON) POLYRHEMBIA POLITA (Viereck). 



PSEUDOCASINARIA, new genus. 



Related to Amorphota (Foerster) Howard, from which it may be 

 distinguished by the slit-like propodeal spiracles, the apparent I 

 absence of clypcal foramina, and in having the second abscissa of the 

 discoidal vein distinctly shorter than the third. 



Type. — Casinaria americana Ashmead. 



(ANGITIA) SAGARITIS WEBSTERI (Viereck). 

 SESIOPLEX, new subgenus. 



Related to Campoplex Gravenhorst, from which it may be distin- 

 guished by the depressed first abdominal segment, the petiole of 

 which is distinctly wider than thick dorso-ventrally, while the post- j 

 petiole is flattened, not at all bulbous. 



Type. — Campoplex (Sesioplex) depressus, new species. 



Female. — Length, 5.5 mm. ; scape black throughout; tibias mostly 

 yellowish, the hind pair colored after the same pattern as in Campo- 

 letidea caradrinse Viereck, hind tarsi fuscous, first, second, and third 

 joints yellowish at base, otherwise agreeing closely with the original 

 description of (Limneria) Campoplex dimidiatus (Cresson) . 



Type-locality. — Louisiana. 



Labeled, " parasite on Gelechia gallaesolidaginis, March 25, 1887, 

 F.M.Webster." Cocoon 7 by 2 mm., rather cylindrical, rounded oflf 

 at the ends, parchment-like in texture, with some loose silk over the 

 cocoon proper, which is brownish in color. 



STILPUS ANTHOMYIDIPERDA, new species. 



Female. — Length, 3.5 mm.; fiagel 14-]ointed; closely resembles 

 Stilpnus gagates Gravenhorst, from which it may be distinguished by 

 the first three joints of the antennae being dark brown, the remain- 



