( m ) 



— 4 Psilopus brevicornis (caput). 



_, _ 5 =, — _=_ dispar (ala). 



— ___ g __. = nigrofaseiatus (abdomen, a ala;, 



— 7* _____ — „ grandis [a anus). 



». g . — . Irifasciatus (anus, a ala j. 



9 — — discreti-fasciatus (ala). 



10 Dolichapus heteronevrus [a caput). 



— 11 Ceria austialis (caput). 

 — - — - 12 Aphristis pictipcnnis. 



- 15 Volucella hirfipes (scutellum , a pes). 



._. 14. — fuscipennis (caput). 



15 Dolichomerus crassas (a caput , b pes:, 



— - — -- 16 Senaspis flaviceps(a caput, /; pes). 



Planche 13. 



Fig. t Eristalis convexifacics (caput). 



— 2 " ' — tes.aeei-scutellatus (caput). 



3 Mallota coloinbii (a caput , b antenna , c p> s posticus). 



- — —- 4- Helophilas Bigotii [a caput) . 

 — — — 5 Orthoprosopa nigra (a caput). 



6 Polydonta biculor [r caput, b anlenna , c pes posticus). 



7 Coilometopa nitida (a caput, b antenna , c pes posticus.;. 



Planche \ i. 



Fig. î Eumerus fulvicornis (ala). 



2 Milcsia tuaculata (ala). 



5 limbipennis. 



— 4 CJheilosia australis (caput -? 1 ). 



— 6 Syrplius rufofasciatus (ala). 



7 rufi vent ris (a caput). 



8 propinguus (ala), 



