description Andrena thoracica Overview
Andrena thoracica is a large, robust species of mining bee native to the Palearctic region, particularly across Europe. The species is easily identified by the female's distinctive bright orange-red hind legs and thorax, which contrast with its dark abdomen. As a solitary bee, it constructs ground nests and primarily forages for nectar and pollen on flowering plants belonging to the legume family. It appeals to entomologists and naturalists studying solitary pollinators and European insect biodiversity.
help Andrena thoracica FAQ
How can I identify a female Andrena thoracica?
Look for a large mining bee with bright foxy-red hair on the thorax and a smooth, polished black abdomen. That strong red-and-black contrast is more useful for identification than the species name alone ([BWARS](https://bwars.com/bee/andrenidae/andrena-thoracica)).
Where is Andrena thoracica found?
It is widespread but rarely common in Europe, with notable coastal populations in southern Britain and records from steppe regions of Asia. It favors open sandy grassland, heath, and exposed vertical sandy cliffs ([BWARS](https://bwars.com/bee/andrenidae/andrena-thoracica)).
Does Andrena thoracica live in a hive?
No. *Andrena thoracica* is a solitary mining bee, and females excavate individual nests in sandy ground or cliff faces rather than forming a honeybee-style colony. The cuckoo bee *Nomada goodeniana* is recorded as a parasite of this species ([BWARS](https://bwars.com/bee/andrenidae/andrena-thoracica)).
When can I see Andrena thoracica?
The cited British profile describes it as bivoltine, with flight periods from March to May and July to August. The two periods reflect two generations rather than one long uninterrupted season ([BWARS](https://bwars.com/bee/andrenidae/andrena-thoracica)).
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