The postcubitus, however, has the status of an independent wing vein and should be recognized as such.
13.
The wing veins are also orange.
14.
At the terminus of the wing veins are small white crescents which are usually worn off in flown specimens.
15.
The adult butterfly emerges ( ecloses ) from this and expands its wings by pumping haemolymph into the wing veins.
16.
For instance, it has been found that flies whose wing veins showed more bilateral symmetry live longer than less symmetrical flies.
17.
The cells that undergo death are removed from the wing cuticle and are absorbed into the thoracic cavity through wing veins.
18.
There are many tedious hours, Goff said, spent counting eyes, wing veins, and hairs or bristles on various parts of the insects bodies.
19.
For breeding pure dark bees according to the standard, details of the wing veins are nowadays considered to be the only reliable distinguishing character.
20.
The wing blade is composed of two layers of cells that adhere tightly to one another, and are supplied with nutrient by several wing veins.
