B. substituta Walker.

B. substituta Walker, Cat. Dipt. B.M., Supp., 5, p. 12 (1854); Hutton, ib., p. 6. Actina substituta Hutton, Cat. Dipt. N.Z., p. 34.

“Dull green or aeneous green. Antennae black. Palpi testaceous. Scutellum with 4 tawny spines. Abdomen purplish-cupreous. Legs tawny, femora and tibiae with brown bands. Wings greyish, the stigma and veins black.

“This species has 3 externo-medial veins, and the 1st branch of the cubital vein is very short, proceeds almost directly to the border, and thus forms an unusually large angle with the second branch.

“Length, 2 lines. wings, 3¾ lines.

“Auckland (Colonel Bolton).” —Walker, l.c.