120 MB. smith's catalogue of hymenopterous insects 



tudinally rugulose ; the apical segments smooth and shining ; the 

 ovipositor a little longer than the insect. 

 Hab. Singapore. 



Q-en. Rhtssa, Grav. 



1. Rhyssa mirAbilis. R. capite thorace pedibus anticis et inter- 

 mediis sanguineo-rubris, coxis intermediis antice posticisque a tergo, 

 albis, alis fuscis, abdomine basi nigro sensira ad apicem pallidiore, 

 apice flavescenti-albo, ovipositore elongato. 



Female. Length 13 lines. Head, thorax and anterior legs ferruginous; 

 the mandibles black ; wings dark fuscous, with a coppery effulgence ; 

 the intermediate and posterior legs dark rufo-piceous ; the interme- 

 diate coxae in front and the posterior pair behind, white ; the inter- 

 mediate tibiae ferruginous in front, the tarsi fuscous ; the apex of the 

 metathorax above black, smooth and shining. Abdomen smooth and 

 shining, black at the base, and gradually becoming paler to the apex, 

 wliich is pale yellowish-white ; the apical segments deeply emarginate 

 in the middle above ; the ovipositor one-third longer than the body. 



Hab. Borneo (Sarawak). 



2. Rhyssa maculipennir. R. nigra, flavo dense maculata, alis an- 

 ticis macula magna fusca ad apicem. 



Female. Length 10 lines. Black : the face, inner and outer orbits of 

 the eyes, and a spot on the scape in front, yellow. Thorax : the pos- 

 terior margin of the prothorax, the tegulae and two spots beneath the 

 wings, the scutellum and a minute spot on each side, at its anterior 

 angles, a spot on the post-scutellum, a trilobate spot on the metathorax, 

 in the middle, and a large irregular macula at the sides, yellow ; the 

 legs yellow; the tarsi fuscous; the anterior coxae behind and the 

 femora and tibiae outside with a rufo-piceous stain, the intermediate 

 and posterior black and spotted with yellow, the femora black above, 

 the tibiae fuscous at their base behind ; the wings hyaline, with a faint 

 yellow tinge, the nervures black, the stigma ferruginous ; a large dark 

 brown macula on the anterior wings placed at the apex of the stigma. 

 Abdomen : a longitudinal yellow spot in the middle of the two basal 

 segments, and an oblique ovate yellow spot at the sides of the three 

 following segments towards their apipal margins ; the* ovipositor one- 

 fourth longer than the body. 



Hab. Borneo (Sarawak). Singapore. 



Gen. MEGiscHrs, Brulle. 



1. Megischus insularis. M, niger, capite ferrugineo, thorace 

 abdominisque segmento primo rugosis, alis subhyalinis, ovipositore 

 ad apicem albo annulato. 



Female. Length 10 lines. Black : the head red, coarsely rugose, having 

 three or four deep transverse curved grooves above the ocelli, in front 



