Hymenoptera from the River OgovS. '2Qo 



(EcophyUa virescens. 

 Formica virescens, Fabr. Syst. Eut. p. 392. n. 9 (1775). 



These green ants are found throughout the tropic3^f the 

 Old World, and form their nests of leaves on trees. 



Subfamilj Ponerin^. 



Anoniura molesta. 



Anomura molesta, Gerst. Mon. Akad. Wiss. Berl. 185S, p. 263 ; Peters's 

 Reise Mossarab., Zool. v. p. 5'd2, pi. xii. tig. 2 (1862). 



A species originally described from Mozambique. 



Subsection Fossores. 



PeIopa>ns spirifex. 

 Sphe.v spirifex, Linn. Syst. Nat. (ed. x.) i. p. 570. u. 8 (1758). 

 A widely distributed species in South Europe and Africa. 



Subsection Diploptrra. 



Family Eumenidaa. 



Eamenes decipiens, sp. n. (PI. XII. fig. 1.) 

 Etimenes melanosoma, Smith, MS., nee Sauss. 



Long. Corp. 15-17 millim. ; exp. al, 25-27 millim. 



Head black above, the points of the angles within the eyes 

 yellowish ; antennae ferruginous, black above ; face ferru- 

 ginous, very long, beak-like, sometimes yellow, only the 

 mandibles and a space at the base of the clypeus remaining 

 ferruginous. Prothorax red, with a large triangular black 

 spot nearly filling up the hinder angles on each side ; meso- 

 thorax black; tegul^e large, black, bordered outside with 

 reddish ; scutellum black, a short yellow dash running from 

 its extremity between the base of the wings ; postscutellum 

 black, with a yellow dot on each side ; metathorax black, 

 deeply sulcated in the middle, and forming two long triangles, 

 the points reddish, into which runs an oblique lateral yellow 

 line. Pectus black, red towards the sutures. Petiole and 

 abdomen black, shining, and much more finely punctured 

 than the thorax ; petiole rufous beneath and bordered behind 

 above with a pale yellow line. First segment of abdomen 

 bordered behind above with a yellow line, widely interrupted 

 in the middle. Legs rufous, front (and sometimes middle) 

 tibiae lined with yellowish ; tarsi clothed with greyish pubes- 

 Ann. d; Mag. N. Hist. Ser. 6. Vol. xviii. IS 



