126 Cameron, Hymenoptera 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. 



fuscipennis 

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

 in the middle. confuscus, cuneatus 



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 



