Heterocrossa rubophaga (Meyrick, 1882). F.L. 6 mm. Endemic. Common.
Adults appear from February to September, peaking in April and August, hence possibly double brooded. It is uncommon in the Auckland region.
The larva feeds in the fruits of the garden raspberry and blackberry, its native foodplant is therefore the wild or (Bush lawyer). The egg is yellowish-green in colour, but changes during development to a yellowish-gold, the area under the spines becoming orange, which, as development continues, spreads till more than hall the egg is coloured.
The larva first instar larva is about 1 mm long. The head and dorsal portion of the prothorax are dark in colour, the rest of the body is whitish cream. The final instar larva is about 10 mm in length. The under surface is yellowish-green, depending on the amount of food in the alimentary tract
Forewing | 5-9 mm, overlapping, pointed apex, raised scale-tufts |
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Labial palps | pointing forwards, prominent |
Resting posture | held flat, horizontal |