75 



Heteromastix flavoterminalis, Lea. Figs. 4-6. 



Three figures of the terminal joints of antennae given for 

 the same reason as those of the preceding species. 



11 



12 



13 



14 



15' 



16 



17 



IS 19 



Terminal joints op antennae oe species op Heteromastix. 



1-3, H. bryanti; 4-6, H. flavoterminalis; 7, 8, H. longicomis; 



9, H. mediofuscus ; 10-12, H. bispinicornis ; 13-15. H. major; 



16, 17, H. obscuripes; 18, 19, H. tasmaniensis. 



Heteromastix nonarius, n. sp. 



3 . Black; head, prothorax, scutellum, mesosternum, 

 legs, and basal joints of antennae navous. Moderately 

 pubescent. 



Head gently convex, with ■ small prominent eyes. 

 Basal joint of antennae about as long as second and third 

 combined, second to fifth moderately transverse, sixth to 

 eighth strongly so, ninth large, about as long as four pre- 

 ceding ones combined, evenly dilated from base but more 

 produced on inner side of apex than on outer side (tenth 

 and eleventh joints missing). Prothorax almost twice as wide 



