While the thorax got the wings, a long abdomen could have served as a stabilizer in flight.
Both males and females have a shiny black thorax and abdomen less than one millimetre long.
They are known for their habit of raising their long abdomen and opening their jaws, like a threatened scorpion.
The shape is generally elongated, due to the conformation of the long tapering abdomen, however there are also compact species with broad abdomens.
The mantis had almost entirely forced its way in, and was pulling its long abdomen and back legs through the gap.
The long, slender abdomen is soft and bears only hooked chaetae.
Shrimp are swimming crustaceans with long narrow muscular abdomens and long antennae.
The bodies and legs of the adults are usually elongate, and these flies often have relatively long abdomens.
The damselfly's long and slender abdomen is black in colour with blue rings.
The female has a very long abdomen, which extends far beyond the wingtips at rest.