Listor beetle (lat. Chrysomelidae) is one of the largest insect families that belongs to the tough detachment. This family includes more than 35 thousand species, and even more potential-their number can exceed 60 thousand types.
Appearance
Due to a huge number of species, external signs for each can be completely different, some of them are not like others not only in color, size and some kind of distinctive features, but also in structure, place and lifestyle, as well as by many other signs. In principle, describing a fullfledged family with common features is not the most practical. But if you choose, you can averaging some indicators and collect a list of factors that coincide in one way or another in most species.
The body shape of the beetles of leaflets is increasingly oval or rounded, but it can also be elongated or flattened. The dimensions are completely different, but basically they vary from three to four millimeters to two centimeters. All representatives of the family have stiff overlays, which are more reminiscent of shell or armor, and there are many studs throughout the body throughout the body. They are used to protect, and also gives external massiveness, thanks to which the insect scares off illwishers.
Basically, insects of this family have multicolored colors, which can consist not only of bright and nuclearous colors, but also of completely dull, monotonous. A feature of these insects can also be called the skill, thanks to which they can hide their paws and antennae under their body, like snails or turtles that hide in their armor to protect. This gives the impression that the beetle has no limbs at all.
The wings are very well developed, since the animal often has to fly long distances. They can see a large number of longitudinal veins, and the edges are often bent down. The chest of insect is always smaller than the back of its part, because of this it seems as if the beetle has a hump. Female individuals are a little more males in size.
Lifestyle and behavior
Depending on the plant, which most prefers any of the species, the leafy builds his lifestyle. He winters in the bowels of the soil, and at the end of May begins to mate. By that time, the insect tries to stock up as a large amount of various nutrients as possible so that offspring could more likely develop and begin to destroy agricultural crops, for example, sorrel. The larvae of this family brazenly eat foliage, without even eating it to the end, jumping from one sheet to another. Because of this, the plant will soon dies, because the short-lived foliage rot, and the new one in its place simply cannot grow. After the larva is saturated, it starts to pupate and after a week young beetles appear from the doll who want to eat.
Where it lives
The beetle of the Listor is considered the most ordinary and at the same time the most common type of beetles in principle, which is why the family does not have a certain habitat, because many thousands of species live on the territory of the entire globe, with the exception of the Antarctic and the closest zones to it. In the CIS alone, scientists have about three thousand species, and in Siberia alone, their number reaches five hundred. All these factors indicate that the beetles of leaflets are common around the world and it is simply impossible to call some exact framework, because all this will be a vague lodge.
What eats
As follows from the name, this family feeds on foliage of plants, and regardless of whether it is wild or agricultural. Such many species depends, including on a huge number of different plants, each of which is found by a pair of leaflets. Sorrel, parsley, cucumbers, and even oak trees-all this suffers due to the insatitude of beetles. They feed on an ongoing basis, regardless of whether this day or night, they are not stopped even by a deterioration in climatic conditions or precipitation. Because of all this, it is precisely the beetles of leaflets that are considered the main threat to most agricultural species, and some means for their destruction do not always work, because the numerous in any case will prevail.
Reproduction
In their life cycle, bugs of leaflets have a complete process of turning from an egg to a full-fledged imago. The marriage period occurs with the advent of May. The female is fertilized very quickly and the next day he lays eggs, the color of which can be yellow or orange. These insects consider the back of the leaves or shoots of fodder plants the best place for masonry. After a couple of weeks, insatiable larvae are born that do not control themselves and are able to eat several times more food per day than they weigh. After another four weeks, the appearance of the larvae changes noticeably, and they increase significantly in size, and then pupate. The formation of a beetle in a doll in duration takes about two weeks, and after this time a beetle in the list is born.
