Aphytis Wasp vs Gum-Tree Pergid Sawfly

Side-by-side species comparison

Attribute Aphytis Wasp Gum-Tree Pergid Sawfly
Scientific Name Aphytis melinus Perga polita
Order Hymenoptera Hymenoptera
Family Aphelinidae Pergidae
Size 0.8-1.2 mm 14-20 mm
Habitat Orchards Woodlands
Diet Parasitoids Herbivores
Regions Worldwide citrus-growing regions Southeastern Australia
Conservation Not Evaluated Least Concern

Aphytis Wasp

A tiny golden-yellow parasitoid wasp that is the primary biocontrol agent of California red scale on citrus. It lays eggs beneath the scale cover where its larva feeds externally on the host.

💡

Did You Know?

California produces over one billion of these wasps per year for release in citrus orchards.

Gum-Tree Pergid Sawfly

A robust Australian sawfly with a dark, polished body. Its gregarious larvae cluster on eucalyptus branches and produce a strong eucalyptus odor when disturbed.

💡

Did You Know?

The powerful eucalyptus-oil smell released by disturbed larvae can be detected from several meters away and serves as a chemical defense.