Night butterfly - the economic importance and the damage

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in the class of insects moth number of species ranked second.Most of them are gloomy and lifestyle differ from fluttering in the sunshine day more individuals thickened little body, not so bright, and more monotonous and dull coloring.Antennae of them do not have bulavchatogo curvature, so this type is called raznousym.

In nature, all are important insects: bugs, mosquitoes, moths.It has the economic importance and moth.What is it?Butterfly night feed exclusively on nectar and are very valuable pollinators of many crops, blossoming at night.For example, a flower yucca plants pollinate very difficult without the participation of the night moths.This butterfly collecting pollen from several flowers, rolls it into a ball and very accurately puts it in the pistil of a flower, and this provides the possibility of fertilization and seed.At the same time this moth lays its eggs flower and ensuring their future offspring feed.The larvae, of course, eat a small portion of the young seed, because it is their only food, but without them would not take place fertilized flower.It is known that different types of moths are just for fertilization of certain plant species.

moth, has no symbiotic relationships, lay eggs, attaching them to a variety of subjects, such as leaves, branches or to a fallen tree trunks on the banks of rivers.Wind or floodwaters carry these items to new areas, and insects, too, are transferred to a new area where there are eggs in the form of larvae.Their larvae are like worms, they are called tracks.

Caterpillars rigid head and three pairs of legs have claws.False legs are on the fleshy belly.Notice how look at this period of the moths, photo fully reflect the structure of the body of the caterpillar.During his short of larvae molt several times.After the last molt, they spletut cocoon of silken thread turn into pupae and fall asleep in them up until the time comes to turn into a butterfly.

Silk fiber caterpillars produce special glands.Salivary glands secrete a protein-rich liquid.After drying in the air, this liquid turns into a very strong thread.Caterpillar silk fiber is widely used by people for the production of natural silk fabrics.For this special breed certain species of butterflies.

By weaving a cocoon caterpillar comes very responsibly.First, she finds refuge.It can be dug up her underground burrow, the gap in the wood or other type of shelter that meets safety rules and techniques of protection laid down by nature in a program of self-preservation.Only then the larva of a moth in a cocoon collapses where retained stationary until, until it's time to turn into a butterfly.

itself moth harmless and safe, but her offspring very voraciously.Some species eat their leaves, roots, others destroy folded for storage, food supplies, and some damage textile fibers.Thus, they cause very much damage.