Swollen-thighed Blood Bee

Sphecodes crassus

Sphecodes crassus, common name swollen-thighed blood bee, is a species of bee. It was described by Carl Gustaf Thomson in 1870. It is a kleptoparasite of bees of the genus Lasioglossum, and is found throughout Europe.

Scientific name
Sphecodes crassus
Family
Halictidae