An elementary manual of New Zealand entomology : $b being an introduction to the study of our native insectsHudson, G. V. (George Vernon)
Science
An elementary manual of New Zealand entomology : $b being an introduction to the study of our native insects
Hudson, G. V. (George Vernon)
Insects -- New Zealand
This delicate little insect may be often taken at rest on fences and
tree-trunks during the day, and is a {92}conspicuous moth when flying in
the evening, owing to its light colour. The larva (Fig. 2a), which feeds on
the manuka (_Leptospermum ericoides_), is very ornamental. Its general
colour is light green, with black dorsal and lateral stripes, and a series
of diagonal markings bordered with crimson; the legs and prolegs are also
crimson, and the segments are divided by brilliant yellow rings, a white
line extending down each side of the larva. It is difficult to find, as it
remains closely concealed amongst the dense manuka foliage, from which it
can only be dislodged by vigorous and continued beating. The caterpillars
allow themselves to fall a short distance, hanging suspended by a silken
thread, which they rapidly ascend when the danger is passed. The pupa is
rather attenuated, dark-brown, and much pointed at its posterior extremity.
It is found buried about an inch in the earth, and the moth appears in a
month's time. This insect varies much in intensity of markings. The males
are generally considerably darker than the females, but are more certainly
distinguished by their attenuated bodies.
The pearly white _Asthena pulchraria_ occurs in October and April; it is a
most beautiful insect, and may be found amongst the foliage of the kawakawa
(_P. excelsum_), on which its larva will probably be found to feed.
Family PYRALIDÆ.
_Scoparia hemiplaca_ (Plate XII., fig. 4).
This pretty little moth was reared from a larva found feeding amongst moss
during the winter of 1885, but unfortunately I neglected to make a drawing
until it was too late. Doubtless many of the other Pyrales we meet with in
the New Zealand forest have similar habits, their larvæ probably feeding on
different kinds of mosses. These can always be examined during the winter
months, {93}when the entomologist is usually in want of work, and thus much
information may be obtained regarding this interesting but little-known
family.
Family PYRALIDÆ.
_Scoparia sabulosella_ (Plate XIII., fig. 4, 4a larva).
This is that extremely abundant, though dull-coloured little insect, that
rises in such multitudes from every field before one's footsteps during the
early summer.
Its larva (Fig. 4a) feeds on various mosses, forming numerous silken
galleries amongst the roots in which it resides. These caterpillars are
very active, and consequently rather difficult to obtain, as they move
either backwards or forwards in their galleries with equal rapidity.
They feed during the whole of the autumn and winter, changing into pupæ
about September, from which the moths emerge in a month or six weeks' time.
The habits of the numerous other species belonging to this genus and the
closely allied genus _Xeroscopa_ (Meyr) probably do not materially differ
from those of the species here described.
Family PYRALIDÆ.
_Crambus flexuosellus_ (Plate XII., fig. 5).
Public-domain text, read in full here on John Shaqi.
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