Portal:Arthropods/Did you know/35

... that the male Diphlebia euphoeoides dragonfly (pictured) can be distinguished from the male Diphlebia coerulescens by the size of the blue spots on the underside of its abdomen?
... that a young spider crab, Libinia ferreirae, often lives inside the bell of the jellyfish Lychnorhiza lucerna?
... that the sea anemone Calliactis tricolor is often attached to shells occupied by the hermit crabs Dardanus venosus and Clibanarius vittatus?
... that the rice stink bug, a major pest of rice kernels, can possibly be ignored when found on standing maize?
... that colour markings, considered rare among fossil crabs, have been found on Avitelmessus?
... that Trachysalambria curvirostris, one of the most important species of fished prawns, is abundant around Australia but is considered too small to be commercial there?