Art. XXXII.—Notes on some Species of Diurnal Moths. By Percy Buller.

Communicated by W. L. Buller, C.M.G., ScD., F.R.S., Vice-president.

[Read before the Wellington Philosophical Society, 11th February, 1881.]

Bronze-wing Moth. (Plusia eriosoma.)

This moth is very plentiful in the Auckland district, but less so in other parts of the North Island. It is both diurnal and nocturnal in its habits, and is especially abundant on the flowering French clover and lucerne. When at rest it presents a somewhat singular appearance, from the pointed shape of its closed wings.

Appears in February and lasts till April.

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Description of caterpillar: (Looper.) Back green, slightly tinged with yellow; under-surface green, with white spots; a clear white stripe from head to tail on each side; six minute black spots along this line, with a small black hair springing from the centre of each; white longitudinal stripes down the back, with small white papilla; enclosed by a ring of green.

Length, one inch.

Feeds on scarlet Geranium, the introduced nettle, etc.

Spins a slight web, always on the under surface of a leaf.

Chrysalis: Under-surface and sides, light green; back, marked with irregular dark blotches.

The presence of the chrysalis is always betrayed by the crumpled form of the leaf under which it conceals itself. Remains in the pupa state for five weeks.