Two-coloured Mason Bee vs Long-Horned Xiphydriid

Side-by-side species comparison

Attribute Two-coloured Mason Bee Long-Horned Xiphydriid
Scientific Name Osmia bicolor Xiphydria prolongata
Order Hymenoptera Hymenoptera
Family Megachilidae Xiphydriidae
Size 8-11 mm 14-20 mm
Habitat Grasslands Woodlands
Diet Nectar Feeders Wood Feeders
Regions Europe East Asia, Japan
Conservation Least Concern Least Concern

Two-coloured Mason Bee

A distinctive bee with a black head and thorax and bright orange abdominal hair. It uniquely nests inside empty snail shells on chalk grasslands.

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Did You Know?

After filling a snail shell with pollen and eggs, the female camouflages it by piling grass and plant stems over it.

Long-Horned Xiphydriid

A slender wood wasp with an exceptionally long neck region and thread-like antennae. The body is dark brown with scattered pale markings.

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Did You Know?

Xiphydriid species in East Asia show greater diversity than in any other region, suggesting this may be the family's center of origin.