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.

MYN / Gil Wizen / Long-faced grasshopper (Truxalis grandis), Central Coastal Plain, Israel, April. meetyourneighbours.net project

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

Niall Benvie,Niall Benvie / Large Marsh Grasshopper (Stethophyma grossum) against white background. France, August.

Edwin Giesbers / Egyptian locust (Anacridium aegypticum) Menorca, Balearic Islands, Spain, Europe

Michael Durham / Two-striped Grasshopper (Melanoplus bivittatus) adult female jumping, Deschutes National Forest, Oregon