PEAR SAWFLY (PEAR SLUG)

Image:
Title: PEAR SAWFLY (PEAR SLUG)
Description: LATIN NAME: Caliroa cerasi (Linnaeus) LIFE CYCLE: Overwinter as larvae in the soil and pupate in spring. Adult sawflies emerge and lay eggs May to July. Second generation of adults appears in August and there may be a third generation in September. Two or three generations per year. MONITORING: Inspect leaves for slug-like larvae or feeding damage. HOSTS: Pear, cherry, mountain ash, hawthorn. COMMENTS: Pear sawfly larvae (also called pear slugs) are dark olive-green to black in colour with a slimy, slug-like appearance. They feed on the upper leaf surface, creating a scorched appearance to the tree. Adults are black sawflies, about 5 mm long, that may be seen on the upper surfaces of leaves laying eggs. BODY LENGTH: Adult - 7.0 mm; Mature larva- 11.0 mm.