Harvester Butterfly vs Four-barred Swordtail

Side-by-side species comparison

Attribute Harvester Butterfly Four-barred Swordtail
Scientific Name Feniseca tarquinius Protographium leosthenes
Order Lepidoptera Lepidoptera
Family Lycaenidae Papilionidae
Size 28-33 mm wingspan 6-7 cm wingspan
Habitat Rivers & Streams Forests
Diet Sap Feeders Nectar Feeders
Regions Eastern North America Australia, Papua New Guinea
Conservation Least Concern Least Concern

Harvester Butterfly

The only carnivorous butterfly in North America, whose caterpillar feeds on woolly aphids rather than plants. Adults are small and orange-brown with dark spotting.

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Did You Know?

The caterpillar camouflages itself with the waxy white filaments of its aphid prey while feeding.

Four-barred Swordtail

A distinctive swallowtail with translucent wings crossed by four dark bars and a long sword-like tail. It has a rapid, darting flight pattern.

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Did You Know?

Its nearly transparent wings make it extremely difficult to spot in dappled rainforest light.