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Insects in the green

Lepidoptera

Characteristics:
Insects with large membranous wings covered in scales and, in the adult stage, by a sucking mouth apparatus. The lepidoptera larvae generally have a very specialised diet: each species feeds on a certain specific type of plant. This creates a close dependence between lepidoptera and vegetables, constraining the diffusion of the first to that of the second. It therefore follows that the aerial of the individual species of lepidoptera is relatively limited in extension, with the exception of butterflies or moths that lay their eggs on widely distributed vegetable species. The order is divided up into several tens of families. Of those that include nocturnal species, the family of the tineidae includes small butterflies better known as clothes moths that feed on wool fabrics. The tortrix include the codling moth (Carpocapsa pomonella). Geometrids owe their name to the way in which the caterpillars move, resting one end of their body at a time on the substrate. This group includes the famous peppered moth (Biston betularia), known as the evident case of industrial melanism: following diffusion of the carbon working factories, the insects changed their colour from speckled white to uniform black, to blend in with the trunks of the birch trees, now free from lichens and blackened by the soot. We should also mention the families of the noctuidae and sphingidae.