Alex Hyde / Green Dock Beetle (Gastrophysa viridula) female with huge abdomen swollen with eggs. Peak District National Park, Derbyshire, UK. April.

Alex Hyde / Eggs of green dock beetle (Gastrophysa viridula) on underside of dock leaf, Peak District National Park, Derbyshire, UK. April.

Andy Sands / Green Dock Beetle (Gastrophysa viridula) mated female exhibiting typical over enlarged abdomen. Hertfordshire, England, April.

Nick Upton / Pair of Green / Metalic Dock Leaf Beetles (Gastrophysa viridula) mating as the female continues to feed on a dock leaf, Wiltshire, UK, April.

Nick Upton / Green / Metalic Dock Leaf Beetle (Gastrophysa viridula) on edge of leaf, Wiltshire, UK, April.