Nigel Cattlin / Large rose sawfly (Arge pagana) larvae feeding on ornamental rose leaves in summer, Berkshire, September

Konrad Wothe / Larvae of Birch sawfly (Craesus septentrionalis) in alarm position, Upper Bavaria, Germany. October.

Dave Bevan / Female Giant wood wasp (Uroceras gigas) inserting ovipositor into tree stump to lay eggs, Carmarthenshire, Wales, UK, September.

Robert Thompson / Sawfly larvae (Nematus pavidus) defensive posture, Peatlands Park, County Armagh, Northern Ireland. September.

Wild Wonders of Europe / Giesbers / Sawfly (Symphyta sp) on Globeflower (Trollius europaeus) Liechtenstein, June 2009

Nigel Cattlin / Pear slug sawfly (Caliroa cerasi) larva on cherry (Prunus sp) leaf with feeding damage. Berkshire, England, UK. October.

Nigel Cattlin / Apple (Malus domestica) fruits with damage scars caused by European apple sawfly (Holocampa testudinea) feeding early in fruit development. Berkshire, England, UK. August.

Nigel Cattlin / Large rose sawfly (Arge pagana) larva feeding on damaged Rose (Rosa sp) leaf. Cultivated in garden, Berkshire, England, UK. July.

Nigel Cattlin / Apple sawfly (Hoplocampa testudinea) larva inside damaged Apple (Malus domestica) fruit, in cross section.

Nigel Cattlin / Large rose sawfly (Arge pagana) larvae feeding on ornamental rose leaves in summer, Berkshire, September

Nigel Cattlin / Large rose sawfly (Arge pagana) larvae feeding on ornamental rose leaves in summer, Berkshire, September

Rod Williams / Wheat stem borer (Cephus pygmaeus) A tiny sawfly feeding on buttercup Brockley Cemetery, Lewisham, London, England, UK. May.