Yellow-shouldered Slug Sawfly vs Yellow Crazy Ant

Side-by-side species comparison

Attribute Yellow-shouldered Slug Sawfly Yellow Crazy Ant
Scientific Name Arge berberidis Anoplolepis gracilipes
Order Hymenoptera Hymenoptera
Family Argidae Formicidae
Size 7-9 mm (adult) 4-5 mm
Habitat Gardens Beaches & Coastal
Diet Herbivores Fruit Feeders
Regions Europe Southeast Asia, Pacific Islands, Indian Ocean Islands, Australia
Conservation Not Evaluated Not Evaluated

Yellow-shouldered Slug Sawfly

A sawfly pest of barberry and mahonia shrubs, skeletonizing leaves in gardens. Larvae are slug-like and pale green with a dark head.

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Did You Know?

Two generations per year can completely strip barberry hedges of their foliage by late summer.

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.