Recognition (Apple Sawfly)

Adult
5.0-5.5 mm long. Body mainly orange with thorax and abdomen black above. Head with a conspicuous black central patch. Wings clear with brown veins.

Egg
0.8 mm long and slightly curved; white and translucent. Inserted in the receptacle of flowers and young fruitlets. Egg insertion scars are clearly visible on side of receptacle.

Larva
Up to 11 mm. Head black (early instars) to yellowish, body whitish, tapering with 7 pairs of prolegs. Produce a characteristic defensive odour.

Pupa
In soil-coloured, parchment-like cocoons in the soil.