Jason Smalley / Bird cherry {Prunus padus} flowering, England

Bengt Lundberg / Bird cherry tree in flower {Prunus padus} Sweden

Artur Tabor / Bird cherry tree in flower {Prunus padus} Poland

Jason Smalley / Bird cherry {Prunus padus} in flower, England.

Konrad Wothe / Bird cherry (Prunus padus) fruits on tree in rain, Bavaria, Germany. June.

John Waters / Caterpillars of the Bird-cherry ermine moth (Yponomeuta evonymella) among silk strands of a huge communal web covering host tree (Prunus padus) and protecting the many pupae in their silk cocoons from...

John Waters / Caterpillar of Bird-cherry ermine moth (Yponomeuta evonymella) among silk strands of a huge communal web that covering the host tree (Prunus padus) and protecting the many pupae in silk cocoons from a...

John Waters / Communal web of Bird-cherry ermine moth (Yponomeuta evonymella) covering defoliated host tree, Bird Cherry (Prunus padus) while protecting caterpillars and pupae from predators, Bristol, UK, June.

John Waters / Detail of communal web of Bird-cherry ermine moth (Yponomeuta evonymella) which is covering host tree, Bird cherry (Prunus padus) and protecting caterpillars and pupae from predators, Bristol, UK, Jun...

John Waters / Communal web of Bird-cherry ermine moths (Yponomeuta evonymella) covering its host tree, Bird cherry (Prunus padus) and protecting caterpillars and pupae from predators, Bristol, UK, June.

Ernie Janes / Bird cherry, (Prunus padus) in flower.

Paul Harcourt Davies / Bird cherry (Prunus padus) blossom. Dolomites, Italy. June.