Trans. X.Z. Inst., Vol. LIII. 



Plate XLVIII. 



Fig. 1. — Syrphud norae-zealandiae : larva on leaf, x 6. 



Fig. 2.—S ropalus : larva, side view. X 4. 



Fig. 3. — S. ropalus : empty pupa, from above. X 5. 



Fig. 4. — S. viridiceps : adult male. X 3. 



Fig. 5. — Platycheirus lignudus n. sp. : adult female. X 4. 



Fig. 6. — Melanostoma fasciatum eggs on a grass-head. Magnified. 



