The size of cockroaches can vary from a few millimeters to almost 10 cm in large species.
The head has long, thin antennae formed of a large number of articles. The mouthparts are of the grinder type and are located at the front of the head.
The majority of species have two pairs of wings and some species are able to fly very quickly.
Their body has an oval shape. Most cockroaches are brown or black in color.
Reproduction and development
The members of this order have hemimetabole development which takes place in three main stages: the egg, the nymph and the adult.
In the German cockroach, the female can lay between 3 and 6 egg libraries and each of them can contain up to 50 eggs.
The pupae are initially whitish in color and translucent on emergence. After a few hours, they become darker. The duration of development varies from one species to another and depends on environmental conditions.
Cockroaches are scavenger insects, they eat absolutely everything, vegetable, plastic. Although they have a preference for sugars, proteins and starches.
These insects exhibit gregarious behavior and can be found in large numbers. Cockroaches secrete pheromones through the rectum and are found in feces. These odorous substances encourage individuals of the same species to come together.
Cockroaches are very resistant and have a very strong ability to adapt, they are accustomed from generation to generation to the different poisons offered by humans for their meals.
Cockroaches are able to stay active for more than a month without food. They survive with limited resources. They survive underwater for more than 30 minutes.
Health Only 4 or 5 species of cockroaches are considered harmful worldwide. These species can be vectors of infectious pathogens. Insects can become very numerous and give off a foul odor. They can also carry germs and cause allergies in humans.
These insects walk on the ground, seeking access to food or heat. These pathogens are deposited directly or indirectly through contact with the animal's excrement. Consumption of these infected foods can cause gastroenteritis, diarrhea and other types of intestinal infections.
What to do against the arrival of cockroaches?
You must act quickly and thoroughly clean your house as soon as the slightest appearance of a cockroach
Store food in tightly closed boxes
Do not leave food (do not forget pet food), water, and any spilled substances lying around
The cockroach should never be crushed alive, as it is often filled with eggs
Stop all outlets