Giant Swallowtail vs Grass Webworm Moth

Side-by-side species comparison

Attribute Giant Swallowtail Grass Webworm Moth
Scientific Name Papilio cresphontes Herpetogramma licarsisalis
Order Lepidoptera Lepidoptera
Family Papilionidae Crambidae
Size 100-160 mm wingspan 20-26 mm wingspan
Habitat Woodlands Grasslands
Diet Nectar Feeders Omnivores
Regions North America, Central America Southeast Asia, Oceania, Africa, South America
Conservation Least Concern Least Concern

Giant Swallowtail

The largest butterfly in North America with dark brown wings crossed by yellow bands. Larvae resemble bird droppings for camouflage.

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Did You Know?

Its caterpillars are called Orange Dogs because they can be pests in citrus orchards.

Grass Webworm Moth

A small brownish moth with faint wavy lines across the forewings. Its larvae spin silk webs over grass and can cause serious damage to tropical lawns and pastures.

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Did You Know?

Larvae create silken tunnels at the base of grass stems where they hide during the day.