Nigel Cattlin / Doyenne du Comice pear (Pyrus communis) fruit with deformity and internal hard growth caused by Pear stony pit virus, cross section. Berkshire, England, UK. October.

Nigel Cattlin / Doyenne du Comice pear (Pyrus communis) fruit with deformity and internal hard growth caused by Pear stony pit virus, cross section. Berkshire, England, UK. October.

Nigel Cattlin / Doyenne du Comice pear (Pyrus communis) fruit with deformity caused by Pear stony pit virus. Berkshire, England, UK.

Nigel Cattlin / Doyenne du Comice pear (Pyrus communis) fruit with deformity caused by Pear stony pit virus. Berkshire, England, UK.

Nigel Cattlin / Doyenne du Comice pear (Pyrus communis) fruit with deformity caused by Pear stony pit virus. Berkshire, England, UK. October.

Nigel Cattlin / Corky brown damage to Pear (Pyrus communis) fruit possibly caused by early Eriophyid (Eriophyidae) blister mite infestation. Berkshire, England, UK. September.

Andres M. Dominguez / Frozen leaves of European pear (Pyrus communis) in ice. Sierra de Grazalema Natural Park, southern Spain, December.

Fabrice Cahez / European pear (Pyrus communis) flowers, Vosges, France, April.

Orsolya Haarberg / Wild pear (Pyrus pyraster) trees, Rokas meadow, Szatmar-Bereg, Hungary.

Thomas Marent / Wild Pear (Pyrus pyraster) tree flowering, Switzerland

Will Watson / Perry pear (Pyrus communis) tree in old orchard, Herefordshire Plateau, England, UK. July.

Nigel Cattlin / Pear sucker (Cacopsylla pyricola) fruit tree crop pest nymph on a pear (Pyrus communis) leaf