132 ME. smith's desceiptions of htmenopteeous iksects 



Female. Length 4^ lines. Head and thorax black, closely and finely punc- 

 tured ; a yellow stripe at the inner and outer orbits of the eyes, another 

 running from the anterior ocellus to the apex of the clypeus ; a yellow 

 spot at the base of the mandibles and another on the labrum ; a deeply 

 impressed line between the ocelU and margin of the eyes. Thorax : 

 the collar, four longitudinal stripes on the mesothorax, the sides of 

 the scutellum, the postscutellum, and metathorax, yellow ; the latter 

 with an angular black spot on each side ; the thorax beneath and at 

 the sides yellow ; an ovate black spot on each side of the pectus, and 

 an oblong one on the sides behind the wings ; the legs pale ferrugi- 

 nous, spotted with yellow. Abdomen pale ferruginous ; the basal seg- 

 ment with a yellow stripe on each side in the middle ; the second and 

 third segments have a yellow line on each side at their basal margins ; 

 the three apical segments fuscous. The wings subhyahne ; their apical 

 margins faintly clouded. 



Hab. Bachian. 



Gen. NoMiA, Latr. 



1. Nomia formosa, Smith, Proc. Linn. Soc. iii. 5. $ . 

 Hab. Bachian ; Malacca. 



The male of this species is distinguished by having two acute spines on 

 the postscutellum. 



2. Nomia halictoides. Smith, Proc. Linn. Soc. iv. 6. 

 Hab. Bachian; Celebes. 



'3. Nomia cincta, Smith, Proc. Linn. Soc. iii. 132. 

 Hab. Bachian; Key Island. 



Fam. CUCULINJE, Latr. 



Gen. Stelis, Fanz. 



I. Stelis abdominalis. Smith, Proc. Linn. Soc. iv. 7. S • 



Hab. Celebes; Bachian. 



A single example of the female was taken by Mr. Wallace ; this sex differs 

 from the male only in being larger. I have not satisfied myself that this 

 really belongs to the genus Stelis ; it is, however, certainly a parasitic insect, 

 the female not possessing any pollenigerous organs, and is either a Stelis, 

 or must constitute the type of a new allied genus. 



Gen. C(ELioxYs, Latr. 



1. CcELioxYS INTRUDENS. C. nigra ; capite thoraceque rude punc- 

 tatis ; facie pube pallida vestita ; alis fuscis basi hyalinis. 



Female. Length 7^ lines. Black : the head and thorax with deep con- 

 fluent punctures ; the abdomen shining and much more finely and 



