126 



Cameron, Hymcnopteva Orientalia. 



COELIOXYS. 



The species of this genus known to me from India 

 may be separated as follows : — 



1 (6) Thorax coriaceous, the punctures not distinctly 



separated. 



2 (5) With metanotal spines. 



3 (4) The metanotal spines long, sharp, curved. 



basalts 



4 (3) The spines short, blunt, straight, wings subhyaline. 



apicalis 



5 (2) Without metanotal spines. argentifrons 



6 (1) Thorax coarsely punctured, the punctures distinctly 



separated. 



7 (8) Thorax with six marks of white pubescence, the 



scutellum much more finely and closely punc- 

 tured than the mesonotum. sexmaculata 



8 (7) Thorax not maculate, the scutellum not more 



coarsely punctured than the mesonotum. 

 g (10) Apex of scutellum projecting in the middle. 



fitscipcnnis 



10 (9) Apex of scutellum almost transverse, not projecting 

 in the middle. confuscus, cuncatus 



COELIOXYS SEXMACULATA, Sp. 110V, 



Long. 11 mm. 2 . 



Hab. Barrackpore (Rothney). 



Head in front densely covered with white pubescence, 

 which is thicker at the sides ; the orbits behind except 

 at the top with similarly coloured hairs ; the vertex and 

 front strongly punctured. Antennae black, almost glab- 

 rous. Pronotum strongly punctured, lined with white 

 pubescence ; mesonotum more coarsely punctured ; the 

 scutellum more closely and finely punctured ; there are 

 two white spots on the base of the mesonotum, two on 



