15. Medeterus diadema
XXV.—LONCHOPTERIDÆ
16. Lonchoptera lutea, male. The dotted line shows V, 6 in the female.
XXVI.—PLATYPEZIDÆ
17. Platypeza picta
XXVII.—PIPUNCULIDÆ
18. Verralia aucta
XXVIII.—SYRPHIDÆ
19. Syritta pipiens
19-1/2. Eumerus sabulonum