Locusts two-tone  / Acrida bicolor - kind of orthoptera insects of the family of these locusts. The body length of 70-100 mm in females, males - 35-60 mm. The legs are long and straight, because of what they look similar to the mantis. Rather cautious insect. If his scare, it will fly or jump to a new position and solidify it in the position in which to land. However, some legs can not touch the surface, and then the insect posture is very exotic. Acrida bicolor males make loud (louder than in females) sounds. Males can chirp wings in flight (10-15 kHz frequency chirping); on the ground and the plants they use tegmino femoral-acoustic device (friction convex keel on the inside of the rear thigh rough bulging veins on the wing cases). Females, in turn, emit soft sounds tibia-tegrninal stridulatory apparatus.Males signals usually consist of one or two phases is rarely 4-5; the average duration of signals - 0.6-1.6 seconds, the following intervals 2,3-16,5 seconds (usually 3-6). Beeps, male pauses for a long time. Signals are issued by single males and females, who found the Lady, but in some cases males mates may not emit signals. During clashes aggressive males demonstratively move its hind legs: Both male and lift them are arranged, moving against each other. On the other locusts differ greatly elongated head and short antennae flattened. Body elongated, slender, green, with reddish-brown stripes and spots. The hind legs are very long. Wings longer than the abdomen. Living in the southern regions among the grass and shrub vegetation. The unusual shape of the body and the green color makes locusts unobtrusive for her enemies among the faded greenish-yellow grass.