Stripe-Backed Leafcutter Ant vs Japanese Paper Wasp

Side-by-side species comparison

Attribute Stripe-Backed Leafcutter Ant Japanese Paper Wasp
Scientific Name Acromyrmex striatus Polistes japonicus
Order Hymenoptera Hymenoptera
Family Formicidae Vespidae
Size 3-8 mm 11-15 mm
Habitat Grasslands Gardens
Diet Fungus Feeders Fruit Feeders
Regions South America (Argentina, Brazil, Uruguay, Paraguay) Japan
Conservation Least Concern Least Concern

Stripe-Backed Leafcutter Ant

A small leafcutter ant adapted to the grasslands and dry regions of southern South America. Unlike most leafcutter ants, it primarily harvests grass blades and herbaceous plant material. Nests are relatively small and partially surficial, often marked by a low mound of discarded plant material.

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Did You Know?

It is one of the few leafcutter ants to thrive in temperate grasslands, tolerating winter temperatures that would kill most tropical species.

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.

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Did You Know?

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