A few characteristics shared by flying insects are as follows: proper muscles in the right places, the structure of the skeleton the muscles are attached to which enable a large amount of wing movement with a small change of muscle length, and the ability to control direction while flying. In addition to this, their ability to fly is temperature dependent. If the body temperature is to low sleight muscle contractions in the thorax will raise it up enabling maximum efficiency of muscle contractions. Finally and most important, all flying insects must have wings ( Pechenik, 1996 ).

The physics which permit flight in insects is similar to that of an airplane. The body and wing morphology create a higher air pressure under the wing relati

Once the animal is in flight it has to control it’s direction, this is done in different ways. Dragonflies have the ability to change the angle of each wing independently. A hornet has two pair of wings that are attached by hooks and loops. Through muscle contractions the hindwing can be tilted downward to create lift during flight. One more example is a species of locust which has a forewing divided into three areas by two veins enabling the wing to be bent into a variety of positions ( Goldsworthy and Wheeler, 1989).

Two very important sensory structures needed to control speed while flying are aerodynamic sense organs and eyes. The aerodynamic organs determine speed of the body

ve to the air above the wing because the shape of the wing induces a larger air velocity above the wing than under it. It is this that causes the lift the animal needs to fly. Of course an air flow across the wings must be present for this to happen, which is created by moving the wings ( Pechenik,1996).

be moving forward at all ( Goldsworthy and Wheeler, 1989 ). The eyes of insects are of special importance, they can detect even the smallest amount of movement because of the individual

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