Square-spot Rustic vs Japanese Paper Wasp

Side-by-side species comparison

Attribute Square-spot Rustic Japanese Paper Wasp
Scientific Name Xestia xanthographa Polistes japonicus
Order Lepidoptera Hymenoptera
Family Noctuidae Vespidae
Size 32-38 mm wingspan 11-15 mm
Habitat Gardens Gardens
Diet Root Feeders Fruit Feeders
Regions Europe Japan
Conservation Least Concern Least Concern

Square-spot Rustic

An extremely common autumn-flying moth with a diagnostic square stigma on the forewing. One of the most abundant moths in British gardens. Larvae feed on grasses.

💡

Did You Know?

Often the single most abundant moth species in garden moth traps during September.

Japanese Paper Wasp

A small dark paper wasp endemic to Japan that builds delicate open-comb nests under eaves and tree branches. It is one of the most common social wasps in Japanese gardens.

💡

Did You Know?

Japanese beekeepers sometimes tolerate these wasps near apiaries because they prey on pest insects rather than honeybees.