Kim Taylor / Tree wasp worker (Vespula syvestris) in flight. UK

Kim Taylor / Tree wasp queen building nest {Vespula sylvestris}. UK.

Will Watson / Tree wasp (Dolichovespula sylvestris) male pollinating Broad-leaved Helleborine, Herefordshire, England.

Will Watson / Tree wasp (Dolichovespula sylvestris) male pollinating Broad-leaved Helleborine, Herefordshire, England, UK, July.

Stephen Dalton / Tree wasp {Vespula sylvestris} flying to nest in bird box, UK

Bengt Lundberg / Wood wasp nest {Vespula sylvestris} Sweden

Kim Taylor / Tree wasp queen sleeping in partially constructed nest, egg in cell. UK.

Kim Taylor / Tree wasp queen {Vespula sylvestris} sleeping in partially constructed nest. UK.

Kim Taylor / Tree wasp nest {Vespula sylvestris} showing workers mutual feeding, UK.

Kim Taylor / Tree wasp {Vespula sylvestris} worker flying, UK.

PREMAPHOTOS / Tree wasp (Vespula sylvestris) on Ivy flower (Hedera helix) UK. Warwickshire

PREMAPHOTOS / Tree wasp (Vespula sylvestris) on Ragwort (Senecio sp) UK.