Horn Fly vs Green Bean Stick Insect

Side-by-side species comparison

Attribute Horn Fly Green Bean Stick Insect
Scientific Name Haematobia irritans Diapherodes gigantea
Order Diptera Phasmatodea
Family Muscidae Phasmatidae
Size 3-5 mm 120-175 mm
Habitat Farmland Farmland
Diet Blood Feeders Herbivores
Regions Worldwide Central America
Conservation Least Concern Least Concern

Horn Fly

A small blood-feeding fly that spends almost its entire life on cattle. It clusters at the base of horns and along the back and belly.

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Did You Know?

Each fly feeds up to 40 times daily, and infestations of thousands per animal cause severe weight loss.

Green Bean Stick Insect

A large, thick-bodied bright green stick insect from the Caribbean. Females are heavy and wingless while males are slender with long functional wings.

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Did You Know?

Despite their cumbersome size, male green bean stick insects are capable of sustained flight and will readily fly to lights at night during the breeding season.