Turnip Sawfly vs Margined Colletes

Side-by-side species comparison

Attribute Turnip Sawfly Margined Colletes
Scientific Name Athalia rosae Colletes marginatus
Order Hymenoptera Hymenoptera
Family Tenthredinidae Colletidae
Size 6-8 mm 8-10 mm
Habitat Farmland Beaches & Coastal
Diet Herbivores Nectar Feeders
Regions Europe, Asia Europe
Conservation Least Concern Near Threatened

Turnip Sawfly

A small orange and black sawfly whose larvae defoliate brassica crops.

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Did You Know?

Larvae sequester glucosinolates from their food plants for chemical defense.

Margined Colletes

A small, pale plasterer bee found in sandy coastal habitats across Europe. It nests in loose sand and forages on wild mignonette and sea holly.

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Did You Know?

Its dependence on both sandy nesting substrate and specialized coastal food plants makes it doubly vulnerable to habitat loss.