chenilles processionnaires

Processionary caterpillars

The pine processionary caterpillar is the larva of a moth, Thaumetopoea pityocampa. It is part of the order Lepidoptera, the family Notodontidae and subfamily Thaumetopoeinae. The butterfly is the "adult" form of the caterpillar that hatched during the summer. This hatching takes place between June and September depending on the climate…. Read more »


Ants are the family of Formicidae. These social insects form colonies, called anthills containing from a few tens to several million individuals. Some species form super colonies of hundreds of millions of individuals. Ants range in size from 0.75 to 52mm. Longevity Males have a very short life and, not knowing how to eat alone, die as soon as they reproduce. The ant... Read more »


Mosquitoes are a family of insects called Culicidae. Source of nuisance by bites, they are the most important group of vectors of pathogenic agents transmissible to humans: the plasmodium (causing malaria), wired (parasitic worms) They are present from the surface of fresh water or brackish, even reduced or temporary, is available. Morphology of… Read more »


The fly is a small insect with short wings. House flies have an average lifespan of 19 days. They can bring stains in human habitations (excrement on the walls, bacteria brought on food ...), they are a cause of disturbance. Flies are particularly attracted to dirt… Read more »

The pigeons

The pigeons installed in our cities mainly belong to two species: The wood pigeon (also called wood pigeon), native to the countryside and forest areas. The bisque pigeon, formerly native to coasts and rocky areas, Effects on humans Pigeons constitute a reservoir of micro-organisms potentially pathogenic for humans. This therefore represents a health risk to be taken… Read more »


Comment reconnaître les punaises? Les punaises de lit ou puces de lit, sont visibles à l’oeil nu et sont généralement brunes. Elles ne sautent pas et ne volent pas, leur durée vie moyenne est de 5 à 6 mois. Les punaises de lit se nourrissent de sang humain et peuvent survivre plusieurs mois sans se… Read more »



The word wasp designates several kinds of hymenopterous insects. They are generally recognizable by their yellow abdomen striped with black. The female carries a poisonous sting. The Common Wasp (Vespula vulgaris) and the Germanic Wasp (Vespula germanica) are the most common species in Europe. Social wasps are wasps that are part of the family… Read more »



The food moth It looks like a small butterfly in brown / gray tones; it is up to 25 mm wingspan and lives for about 2 weeks. Her reproductive cycle is that of butterflies: a female can lay between 200 and 300 white eggs. After 4 days, the larvae are born and after about 1 ... Read more »

Rat noir

Black rat

The black rat, attic rat or field rat The black rat has a coat that goes from black to hazelnut with the underside of the body lighter. It generally reaches a length of 15 to 20 cm, to which is added a long tail of 20 cm always longer than the body. A… Read more »



Description 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 ... Read more »



The rat acts either as a reservoir for the microbe (bacteria, virus or parasite) which it harbors without transforming it. Or as an intermediate host in the parasite's cycle (which will transform in the rat's organism and become infectious there for humans). He is then infectious either by his bite, or by his droppings, or by his… Read more »