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One difference between a roach and a beetle is that the roach has membranous wings and beetles do not. In addition, roaches do not have the hardened forewings like the beetle.
Flies (Diptera)? They generally have normal membranous front wings and very tiny hind wings modified into stubs called halteres.
A homopterous is an insect that has membranous forewings and hind wings.
Pterosaur
Elytron
They are insects in which the outer pair of wings have become hardened wing covers (elytra).
The wings attach to the body segment in arthropods via a flexible membrane, containing a number of sclerites or hardened areas (plates), collectively known as the pteralia.
Yes. Crickets have two sets of wings like most insects and are of the insect order Orthoptera. The forewing is shortened and leathery, known as a tegmina, and acts as a covering over the larger membranous hind-wing.
It is a membranous organ in the inner ear.
A membranous sac is, as it says, a sac with a membrane. What it is specifically varies. Bronchi in the lungs are membranous sacs and the amniotic sac on a baby is membranous.
It is a membranous organell.It is single membranous organell.It is made up flat membranous plates and tubules.
A ladybug has 4 wings. One pair is hardened, and are called the elytra, the other pair are hidden underneath the elytra, except when flying.