Fleck-winged Hoverfly vs Blue Horntail

Side-by-side species comparison

Attribute Fleck-winged Hoverfly Blue Horntail
Scientific Name Dasysyrphus albostriatus Sirex juvencus
Order Diptera Hymenoptera
Family Syrphidae Siricidae
Size 9-12 mm 12–30 mm
Habitat Woodlands Forests
Diet Wood Feeders Wood Feeders
Regions Europe, Asia Europe, North America, Asia
Conservation Least Concern Not Evaluated

Fleck-winged Hoverfly

A woodland hoverfly with white crescent markings on a dark abdomen. It is one of the earliest hoverflies to appear in spring.

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Did You Know?

It is sometimes called the white-striped hoverfly because of the distinctive pale marks on its dark abdomen.

Blue Horntail

A metallic blue-black horntail wasp found across the Northern Hemisphere. It breeds in recently dead or dying spruce and fir trees.

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Did You Know?

Adults sometimes emerge from milled lumber years later, boring clean round exit holes through flooring or walls.