Butterflies: on the wings of freedom
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Construction of the Scales
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Looking at the details of the scales you see the most complicated structures. They provide an optimum of stability with a minimum of material. This is most impressive for the structures of the Hawkmoths’ scales. They are loaded a lot because of the high frequency of the wing movement.

Death’s Head Hawk (Acherontia atropos):

end of a scale
hair shaped scale

structures of scales:

Garden Tiger (Arctia caja)

Uraniidae

The great elasticity is also due to the scale’s staying, a joint.

Orange Tip
(Anthocharis cardamines)
Oak Eggar
(Lasiocampa quercus)



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