Grasshoppers and crickets are numerous andAncient order of orthopterans, which has about 20 thousand species. Representatives of this detachment can be found on almost all continents, in different climatic zones of the globe, except, perhaps, in the polar and high mountain regions.
In Russia, there are about 750 species of orthopteran insects.
One of the features of their jumping representatives is the ability to perceive and reproduce sounds.
"In the grass Grasshopper sat…"
Grasshopper is a predatory insect. During the day he hides in cover, but at night he hunts. Extraction lies in wait, sitting on leaves of bushes or on low growing branches of trees. It feeds on small insects. If there are not enough insects, you can switch to a vegetable diet. Jumps rarely, often moves crawling.
The grasshopper's body is elongated, oblong,Bright green or gray color. Head and eyes are oval in shape. "Muzzle" is elongated. Hind legs are long, leap type. Elytra rigid, species that live in the grass are long and narrow. The forest grasshoppers are wider.
From other grasshopper grasshoppers distinguish itVery long mustache. Sometimes they exceed the insect's body length by 4 times. With the help of such antennae, the grasshopper catches any, even the smallest, movement.
Another feature of the grasshopper is his powerful jaw. He grabs his forelegs and holds the prey, and then tears it up and eats it. Can even bite the skin of a person.
"A cricket is singing for the stove ..."
Cricket - another representative of the detachmentOrthopterans. Two main types of crickets are widely known: field and house crickets. The length of the body of the field cricket is up to 2.9 cm. The head is round, the elytra is short, glossy-black with orange spots at the base. Lives in the soil, digs the holes and mink or is already ready.
Cricket is very territorial. He zealously protects his possessions and has a very pugnacious character. There are no rare fights between males. Sometimes they end with the death of a weaker enemy. In this case, the winner eats the defeated, although in general crickets prefer vegetable food.
An interesting detail: a fighting cricket first tries to bite the opponent's tendril. Scientists have noticed that the male, deprived of tendril, becomes a kind of an outcast.
House cricket - one of the representativesSynanthropic insects, i.e. Living together with people. The house cricket is brown or yellow with brown spots. On the head is a dark strip. Elytra short, with orange spots at base. In summer, crickets can be seen in the forest or in the meadow, and in the winter he moves to human houses.
Very thermophilic. A favorite place of residence in the village houses is a crevice somewhere behind the stove. Can also live in the thermal insulation of heating systems of modern apartment buildings. During the day, he hides, and at night bypasses the territory. Omnivorous. Feeds crumbs off the table, with various waste, destroys the cockroach progeny.
According to scientists, crickets are very sensitive to temperature fluctuations and respond to them by changing the rhythm of their "songs". An interesting detail - the older the insect, the more melodic its trills.
The house cricket is a completely innocuous insect. He is not a carrier of any diseases, and the only harm done to people is his loud night concerts, which not everyone is able to get used to.