Dead Bombus terrestris found on Ant hill

Dead Bombus terrestris found on Ant hill

Observation - Dead Bombus terrestris found on Ant hill. Description: I found lots of dead bees on top of the ant hills at Harlestone Heath. Approximately half the hills had a dead bee on top of it. Does anyone have any information on this phenomenon?

I found lots of dead bees on top of the ant hills at Harlestone Heath. Approximately half the hills had a dead bee on top of it. Does anyone have any information on this phenomenon?