Sand Martin Flea vs New Zealand Sandfly

Side-by-side species comparison

Attribute Sand Martin Flea New Zealand Sandfly
Scientific Name Ceratophyllus styx Austrosimulium ungulatum
Order Siphonaptera Diptera
Family Ceratophyllidae Simuliidae
Size 2-3 mm 2-4 mm
Habitat Rivers & Streams Rivers & Streams
Diet Blood Feeders Blood Feeders
Regions Europe, Western Asia New Zealand, especially South Island
Conservation Least Concern Least Concern

Sand Martin Flea

A flea species specific to sand martin colonies in their bank-nesting burrows. It can accumulate in large numbers in nest chambers.

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Did You Know?

Colony-nesting birds like sand martins provide an ideal environment for flea population explosions in shared burrows.

New Zealand Sandfly

A small black fly endemic to New Zealand that inflicts painful bites, particularly notorious in the South Island's West Coast and Fiordland regions. Despite being called sandflies locally, they are actually black flies in the family Simuliidae. They breed in fast-flowing rivers and streams.

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Did You Know?

Maori legend says the sandfly was created by the goddess Hine-nui-te-po to prevent humans from lingering too long in the beautiful Fiordlands.