In Mexico the creature sprouted claws and black membranous wings.

They can fly using a set of membranous wings.

It dropped several feet, then rose again on membranous wings to whir slowly toward the harbor.

It flew in a low circle on membranous wings, as if orienting itself.

They were four to six inches long with segmented bodies and large, membranous wings.

The membranous wings of the alates are held angled over the body.

These aphids are tiny green insects with soft bodies and membranous wings.

First, she had spread her four membranous wings and flown into the air.

They have horns on their heads and wide membranous wings.

They made no sound at all themselves, and even their membranous wings were silent.