Answer to Question #2957 in Microbiology for pascal

Question

Explain the way in which insect without eyes move in a direction to there destination.

Answer 1

Many insects live without eyes. Blind adults in search of food and sexual
partners are guided by the surface vibrations and smell, and the larvae
hatch blind directly to stock feed, so that they do not have to look around.
Adult insects with strongly reduced eyes or no known among soil, cave or
parasitic species living in an environment where vision is not easy
orientation.

Antenna, antennae, or antennae - a pair of structures that may include from
two to 60 segments. In form they are very diverse. In most insect orders the
antenna length, ie consist of four or more segments, but Homoptera and flies
have just three segments. In the latter case, the third segment can be
setaceous outgrowth consisting of several fused segments. Antennas are not
just tangible "palpi": they are the sensory hairs and holes that can,
depending on the perceived odor, sound, gravity, humidity and temperature.