Large Rose Sawfly

Arge pagana

The Large Rose Sawfly is usually found on Dog rose. It has an orange abdomen and black sides to the thorax. It uses a tiny saw to make parallel cuts in fresh shoots of the host plant to lay eggs. Larvae emerge soon afterwards and move to the leaves to feed. Older instars are more solitary creatures and move on to eat the older leaves. Larvae of this species have pale hairs on the head.

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