Chestnut Gall Wasp vs Yellow Crazy Ant

Side-by-side species comparison

Attribute Chestnut Gall Wasp Yellow Crazy Ant
Scientific Name Dryocosmus kuriphilus Anoplolepis gracilipes
Order Hymenoptera Hymenoptera
Family Cynipidae Formicidae
Size 2.5–3 mm 4-5 mm
Habitat Orchards Beaches & Coastal
Diet Herbivores Fruit Feeders
Regions East Asia, Europe, North America Southeast Asia, Pacific Islands, Indian Ocean Islands, Australia
Conservation Not Evaluated Not Evaluated

Chestnut Gall Wasp

An invasive gall wasp from China that is the most damaging pest of chestnut trees worldwide. It induces galls on buds and leaves, reducing nut yields.

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Did You Know?

It reproduces entirely through parthenogenesis; no males have ever been found in any population.

Yellow Crazy Ant

A long-legged, fast-moving invasive ant named for its erratic running pattern. They form supercolonies with multiple queens that can devastate island ecosystems.

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Did You Know?

On Christmas Island they killed millions of native red crabs, fundamentally altering the island's entire ecosystem.