COLLECTED AT CELEBES. 89 



4. Odynerus petulans. O. niger, punctatus ; capite thoraceque 

 flavo-guttatis ; abdomine fasciis duabus flavis oniato. 



Female. Length 5 lines. Black ; the cl3'pens yellow with a transverse 

 biarcuate black line a little before the apex, which is produced and 

 bidentate in front; the mandibles, scape beneath, the sinus of the 

 eyes, a spot between the antennae, and another behind the eyes, 

 yellow ; the tips of the mandibles ferruginous. Thorax : the anterior 

 margin of the prothorax, a spot beneath the wings, another on the 

 tegulae behind, two minute spots on the scutellura, and one on each 

 side of the metathorax, yellow ; the anterior and intermediate femora 

 towards their apex outside, the tibiae, and the posterior pair at their 

 base outside, yellow ; the tarsi rufo-fuscous ; the wings subhyaline, 

 with their margins narrowly fuscous, a dark fuscous cloud occupying 

 the marginal cell and passing a little beyond. Abdomen : the first 

 segment very much nan-ower than the second, campanulate and with 

 a short petiole ; its apical margin, as well as that of the following 

 segment, with a narrow yellow fascia; a subovate yellow spot on each 

 side of the second segment near its base. 



Hab. Makassar. 



Gen. IscHNOOASTEK, Ouerin. 



1. IscHNOGASTER piCTUS. 7. niger, flavo et ferrugineo variegatus ; 

 cellulis prima secundaque submarginalibus aequis, tertia breviore et ad 

 cellulam marginalem angustata. 



Female. Length 8 lines. Black ; tlie clypeus, mandibles, and antennae, 

 ferruginous, the hinder margin of the vertex obscurely so ; the clypeus 

 ])roduced in front, terminating in an acute spine, and with its lateral 

 margin yellow. Thorax globose ; the sides of the prothorax ferru- 

 ginous above, and the legs also ferruginous ; the posterior margin of 

 the prothorax, a spot on the tegulae in front, the scutellum, post- 

 scutellum, a spot at the insertion of the petiole and the anterior and 

 intermediate tibiae outside, yellow ; wings hyaline with a dark cloud 

 in the marginal cell. Abdomen ferruginous, the segments more or 

 less fuscous in the middle ; an elongate spot on each side of the third 

 segment at its basal margin, a smaller one at the extreme lateral 

 margin of the second, and two longitudinal stripes on the same 

 beneath, yellow; the petiole one-third longer than the head nnd 

 thorax. 



Hub. Makassar. 



2. IscHNOGASTER AGlLis. /. niger flavo variegatus ; cellulis prima 

 secundaque submarginalibus aequis, tertia quadrata. 



Male. Length 10} lines. Black ; the clypeus and two oblique sub- 

 quadrate spots above nearly touching the eyes, yellow ; the cly|)eus ])ro- 

 duced into an acute point; the tops of the mandibles and the antenuic 

 beneath ferruginous. Tliorax : the posterior margin of tlio |)rothorax, 

 a pear-shaped spot beneath the wings, a large lunate one on the sides 

 LINN. PROC. — ZOOLOGY, SUPPLEMENT. 7 



