Narrow-winged Bee Fly vs Bristly Tachinid

Side-by-side species comparison

Attribute Narrow-winged Bee Fly Bristly Tachinid
Scientific Name Systoechus vulgaris Epalpus signifer
Order Diptera Diptera
Family Bombyliidae Tachinidae
Size 7-10 mm 6-10 mm
Habitat Deserts & Drylands Farmland
Diet Nectar Feeders Parasites
Regions Europe, Asia, North Africa North America
Conservation Least Concern Least Concern

Narrow-winged Bee Fly

A small, hairy bee fly with a rounded body and a short proboscis compared to Bombylius species. It hovers at flowers in arid habitats, frequently visiting low-growing composites.

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Did You Know?

Its larvae are important natural enemies of grasshoppers, entering and consuming their egg pods in the soil.

Bristly Tachinid

A bristly gray parasitic fly found across North America. It parasitizes a wide range of caterpillars including armyworms and cutworms.

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Did You Know?

Females scatter tiny eggs on foliage, which are then accidentally swallowed by feeding caterpillars.