Deer Bot Fly vs Giant Swallowtail

Side-by-side species comparison

Attribute Deer Bot Fly Giant Swallowtail
Scientific Name Cephenemyia stimulator Papilio cresphontes
Order Diptera Lepidoptera
Family Oestridae Papilionidae
Size 12-15 mm 100-160 mm wingspan
Habitat Woodlands Woodlands
Diet Parasites Nectar Feeders
Regions Europe North America, Central America
Conservation Least Concern Least Concern

Deer Bot Fly

A parasitic fly that deposits larvae in the nostrils of roe deer. The larvae develop in the pharyngeal region before being sneezed out.

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Did You Know?

Once erroneously claimed to fly at over 1,300 km/h, making it a famous example of scientific exaggeration.

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.