Someone keeps a cat, someone dog, hamsters and mice, and have even become not surprising when you hear that people keep house spiders, cockroaches, praying mantis, stick insects and crickets.
Troop stick insects (Phasmoptera) or another name - phasmatodea. To appreciate fully the name of this insect can only be one who has had the pleasure to watch them in nature and contain at home. As a rule, phasmatodea - large insects; Some tropical species are giants in the world of insects, reaching a length with the outstretched legs of 30 to 35 cm. However, there are dwarf forms, males do not exceed 2 cm.
The peculiar structure of departments at phasmatodea body: the head is small, spherical with rounded eyes, threadlike antennae or bristle, and directed forward biting mouthparts; three divisions breast smallest headboards, has almost square shape; the other two thoracic greatly extended, especially middle. As for the 10-segmented abdomen, it also strongly stretched or, conversely, very extended and has a sheet-like shape. Because of these structural features of the body have phasmatodea may accept or rod-shaped or leaf-shaped. From talking about stick insects and listovidkah.
Currently, there are about 2,500 species phasmatodea distributed mainly in tropical countries. The vast majority of them has a rod-shaped. Mostly protective paint, which can be green, brown or gray. It is usually a good harmony with the color of plants on which certain types of stick insects live. It is found that the decisive influence on the coloring stick insects have luminous stimuli coming into a specific area of the eye. Stick insects darkens and lightens in response to other stimuli, such as temperature change and humidity, changes in osmotic pressure of blood and even mechanical action.
When this color change is caused by contraction or expansion in a lump pigment grains present in the hypodermis. In some cases, stick insects observed very rough sculpture covers, the body can be sharp shipoobraznye growths.
Some stick insects along with the protective coloration, masking all the visible parts of the animal sitting motionless, observed demonstrative on those parts of the body, which alone are hidden.
Brightly colored parts are fan-folding rear wings under the cover of the elytra. In cases where the elytra completely or almost completely absent, that part of the rear wing, which folded at the top, forming a special Krylov plate having a protective coloration, and thus is protective elytra. Almost all of the stick insects fly well, and because of the painted wings on display only during the flight.
Stick insects lay their eggs on any surface, depending on what is selected as bedding. It is important to try to protect the eggs from the mold, which often happens, if the ground is too wet. Oblong-shaped egg is enclosed in a special capsule having a cap, which raises the larvae at hatching.
Externally, the eggs may resemble seeds. Larvae hatch from them are very similar to adults and differ from them primarily in size and somewhat longer legs and antennae. Before we reach adulthood, they undergo up to 6 molts. Lifestyle larvae is the same as in adults.
The life of these amazing insects depends on the conditions and ranges from 8 to 15 months, but as they multiply, gradually there is a change of the population.
The most common and easy-to-content anamskie stick insects.
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