12 ME. smith's catalogue of hymenopterous insects 



their tips pale ; the apical joints of the tarsi blackish, the spines of 

 the legs black. Abdomen : the first, second, and third segments with 

 a fascia of silvery-white pile at their basal margins ; the apex of the 

 abdomen ferruginous. 

 Hab. Celebes. 



3. PoMPiLUS CONTORTUS. P. nigcr, cinereo-pilosus, prothorace flavo 

 postice marginato ; alis subhyalinis, marginibus apicalibus fuscis, pe- 

 dibus subferrugineis. 



Female. Length 5^ lines. Black; the head, thorax, and four basal 

 segments of the abdomen covered with ashy pile ; the first and second 

 segments with their apical margins naked. The scape yellow in front j 

 the flagellum beneath, the labrum, mandibles and palpi ferruginous ; 

 the joints of the antennae arcuate, particularly the apical ones ; the 

 apex of each joint is oblique, giving the antennae a twisted appear- 

 ance. Thorax : the posterior margin of the prothorax angular and 

 with a broad yellow border ; the scutellum compressed and prominent ; 

 wings subhyaline with a broad fuscous border at their apex, the tegulae 

 yellow ; legs pale ferruginous, with their coxae and trochanters black ; 

 the apical joints of the tarsi fuscous. Abdomen with a yellow macula 

 at the tip. 



Hab. Celebes. 



4. PoMPiLUS PILIFRONS. P. nigcr, facie argenteis pilis dense tecta ; 

 thorace abdomineque flavo raaculatis, alis subhyalinis, apice fuscis. 



Female. Length 4| lines. Black ; the face densely covered with silvery- 

 white pile J a narrow line at the inner orbits of the eyes, the palpi and 

 mandibles yellow ; the latter ferruginous at their apex. The posterior 

 margin of the prothorax rounded and yellow ; a minute yellow spot on 

 the mesothorax touching the scutellum, the thorax and abdomen 

 covered with a changeable silky pile; the wings subhyaline, their 

 nervures fuscous, a broad dark fuscous border at the apex of the 

 superior pair. A transverse spot on each side of the basal margin of 

 the second and third segments, and an emarginate fascia on that of 

 the fifth, yellow. 



5. PoMPiLUS DECEPTOR. P. rufcscenti-flavus ; vertice nigro, alis an- 

 ticis apice fuscis. 



Male. . Length 6 lines. Pale reddish-yellow ; the antennae slightly 

 dusky above; a black transverse stripe on the vertex between the 

 eyes, and another issuing from it in the middle and passing beyond 

 the ocelli. Thorax : a black stripe on each side of the mesothorax 

 over the tegulae ; the wings subhyaline, the nervures ferruginous, the 

 superior pair fuscous at their apex. Abdomen immaculate. 



Subgenus Peiocnemis. 

 1. Priocnemis RUFiFROiNS. P. nigcr ; facie, antennis, tibiis tarsisque 



