72 



EXPLANATION OF THE PLATES. 



PLATE II 



Fig. 



12 a. Node of the abdomen of 



Labidus Halidaii. 



13. Anterior wing of Labidus 



morosus. 



13 a. Node of the abdomen of 



Labidus morosus. 



14. Anterior wing of Labidus 



14 a. Node of the abdomen of 

 Labidus amplipennis. 



(continued). 



Fig. 



15 a. Quietus inconspicuus. 



b. Antennae of ditto. 



c. Node of the abdomen 

 of ditto. 



16. Node of the abdomen of 



jjEnictus ambiguus. 



17. Node of the abdomen of 



^Enictus pubescens. 



PLATE III. 



1. Thynnus variabilis < . 



2. Thynnus variabilis J . 



3. Labial palpi of Thynnus 



variabilis. 



4. Maxillary palpi of Thynnus 



variabilis. 



5. Anterior wing of Antho- 



bosca. 



6. jElurus basalis 3 . 



7. jElurus nasutus ? . 



8. Labial palpi of Mlurus 



clypeatus. 



9. Maxillary palpi of jElurus 

 clypeatus. 



10. Tachypteruscrassicornisg . 



11. Labial palpi of Mlurus 



clypeatus. 



12. Maxillary palpi ofJSlurus 



clypeatus. 



1 3. Ariphron bicolor $ . 



14. Wing of Rhagig aster. 



15. Oncorhinus xanthospilos $ . 



16. Thynnus (Agriomyia) h<e- 



matodes $ . 



