1865.] 55 



Male. — Colored like the female, except that the 3rd and following 

 segments of the abdomen are broadly annulated at base with blackish. 



Collection. — Ent. Soc. Philad. 2 $ , 1 % , specimens. 



Prof. Poey informs me that this species is " parasitic upon a larva of 

 Pyralis" 



Eiphosoma nigrovittata, n. sp. 



Bright yellow; abdomen and hind legs honey-yellow: three stripes on mew- 

 thorax, an oblique line on pleura and a short one on disk of metathorax, black ; 

 wings hyaline, iridescent, areolet wanting. 



Female. — Head yellow, slightly tinged with fulvous; extreme tips of 

 mandibles and a spot behind the ocelli, black ; antennae rather more 

 than half the length of the body, brown-black, basal joint beneath yel- 

 lowish. Thorax bright yellow, smooth and polished; mesothorax with 

 three broad, longitudinal, black stripes, middle one entire, lateral ones 

 abbreviated especially in front where they are dilated and rounded ; 

 on each side of the pleura an oblique black stripe ; behind the scutel- 

 lum an irregular black mark which extends, on each side, on the suture 

 between it and the metathorax ; scutellum slightly convex and polished ; 

 metathorax bright yellow, rather broadly sulcate longitudinally, with a 

 broad, elongate black mark on the disk. Wings hyaline, iridescent, 

 extreme apex fuscous; nervures and stigma black. Legs yellow, tinged 

 with fulvous, the posterior pair honey-yellow, their tarsi slightly obfus- 

 cated, their femora somewhat swollen towards the tip, near which be- 

 neath there is a small tooth. Abdomen long and slender, honey-yellow, 

 the two basal segments long and linear, the remaining segments broad 

 and much compressed, the apex truncate; the extreme base and a line 

 on the sides of the 1st, a line on the disk of the 2nd not reaching the 

 tip, and a spot at the base of the 3rd segment above, black ; sides of 

 some of the apical segments stained with fuscous; ovipositor nearly half 

 the length of the body, honey-yellow, valves black. Length 5| lines; 

 expanse of wings 6 lines. 



Collection. — Ent. Soc. Philad. One specimen. 



Genus OPHION. Fabr. 

 Ophion thoracicus, n. sp. 



Obscure yellowish; mesothorax with blackish stripes; two basal segments 

 of abdomen tinged with ferruginous ; wings obscure hyaline, 1st submarginal 

 cell with a spot and two subobsolete lines. 



Obscure yellowish, slightly stained with pale fulvous; antennae slen- 

 der, about as long as the body, sometimes more or less dusky, especially 

 at base; mesothorax with three broad, more or less distinct, blackish, 

 longitudinal stripes, sometimes obsolete behind ; scutellum slightly 



