Arthropods Daily – Issue No. 690 No. 690 | July 8, 2025

Cuckoo bumblebees are members of the subgenus Psithyrus in the bumblebee genus Bombus. Until recently, the 29 species of Psithyrus were considered to constitute a separate genus. They are a specialized lineage which has lost the ability to collect pollen and to rear their brood. They have lost the worker caste and produce only sexuals, male and female. They are inquilines in the colonies of other bumblebees. Before finding and invading a host colony, a Psithyrus...

Ancestry Graph

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This is not intended to be a dry lexicon. Personal stories and sensitive articles form the framework for our pictures: „Franz and his mission for insects: Why are solar panels attracting insects?“ Solar installations on former farmland can significantly increase the insect population and biodiversity in just a few years. A side effect and a win-win situation.

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„Cuckoo Bumble Bees“ also appeared in the following editions of Arthropods Daily

No. 690 | July 8, 2025