Brian Bevan / Surinam horned frog (Ceratophrys cornuta) eating a locust, UK. Captive, native to the Americas.

Steve Downer / Desert locust (Schistocerca gregaria) feeding on grass, controlled conditions.

Ingo Arndt / Adult Egyptian Locust (Anacridium aegyptium) emerging from nymphal skin, captive, Africa. Winner of Fritz Polking portfolio prize, GDT 2012 competition.

Ingo Arndt / Egyptian locust (Anacridium aegyptium) first instars hatching from ground, captive, from Africa.

Ingo Arndt / Desert locust subadult {Schistocerca gregaria} Africa

Ingo Arndt / Migratory Locust (Locusta migratoria) swarm being harvested for food by two men using a sheet, Isalo National Park, Madagascar

Ingo Arndt / Migratory Locust (Locusta migratoria) swarm flying, Isalo National Park, Madagascar

Ingo Arndt / Migratory Locust (Locusta migratoria capito) swarm flying, near Isalo National Park, Madagascar

Ingo Arndt / Migratory Locust (Locusta migratoria) swarm flying, near Isalo National Park, Madagascar

Paul Harcourt Davies / Short-horned grasshoppers (Calliptamus italicus) mating, showing sexual dimorphism, Pescia Romana, Tarquinia, Umbria, Italy, September

SINCLAIR STAMMERS / Well preserved fossil of trilobite Dudley locust (Calymene blumenbachii) from the Silurian period, found in the Wenlock Limestone of Wrens Nest Hill, Dudley, Worcestershire.

Stephen Dalton / Desert Locust (Schistocerca gregaria) flying, controlled conditions, scan from black and white print