lice

Head lice are small parasitic insects that live exclusively in human hair. Their scientific name is Pediculus humanus capitis.
Size: approximately 2 to 4 mm.
Colour: grey, light brown or dark brown.
It has no wings.
He doesn't jump.
It doesn't fly.
It crawls quickly thanks to its six clawed legs.
🧬 Anatomy
The louse possesses:
a head;
two antennas;
two small eyes;
a proboscis-shaped mouth to pierce the skin and suck out blood;
a thorax;
six legs with claws;
an abdomen that swells after a blood meal.
🍽️ What he eats
The louse feeds exclusively on human blood.
It stings several times a day.
Each meal lasts a few minutes.
Without blood, it usually dies within 24 to 48 hours.
🏠 Where does he live?
He prefers:
the nape of the neck;
behind the ears;
the top of the head.
These places are a bit warmer.
🔄 Its life cycle

1. The egg (the nit)
   Size: approximately 0.8 mm.
   Colour: white, beige or brown.
   Glued very firmly to the hair.
   Hatching occurs after approximately 7 to 10 days.
2. The nymph
   It's the "baby louse".
   Very small.
   She already looks like an adult.
   She molts three times.
   It becomes an adult in approximately 7 to 10 days.
3. The adult louse
   It lives for about 30 days on a person.
   The female lays approximately 5 to 10 nits per day.
   A single female can lay more than 100 eggs during her lifetime.
   🥚 The lice
   The lice:
   are eggs;
   are stuck to the hair by a very resistant substance;
   almost never fall alone;
   cannot jump on another person.
   Empty nits turn white after hatching.
   😖 Why does it itch?
   The itching is caused by a reaction of the skin to the saliva injected when the louse bites.
   Some people feel almost nothing.
   👶 Who can catch lice?
   Everyone :
   children ;
   adolescents;
   adults;
   elderly people.
   Lice prefer hair, whether it is clean or dirty.
   🤝 How are they transmitted?
   Primarily by:
   head to head.
   More rarely

Head lice are small parasitic insects that live exclusively in human hair. Their scientific name is Pediculus humanus capitis.
Size: approximately 2 to 4 mm.
Colour: grey, light brown or dark brown.
It has no wings.
He doesn't jump.
It doesn't fly.
It crawls quickly thanks to its six clawed legs.
🧬 Anatomy
The louse possesses:
a head;
two antennas;
two small eyes;
a proboscis-shaped mouth to pierce the skin and suck out blood;
a thorax;
six legs with claws;
an abdomen that swells after a blood meal.
🍽️ What he eats
The louse feeds exclusively on human blood.
It stings several times a day.
Each meal lasts a few minutes.
Without blood, it usually dies within 24 to 48 hours.
🏠 Where does he live?
He prefers:
the nape of the neck;
behind the ears;
the top of the head.
These places are a bit warmer.
🔄 Its life cycle

1. The egg (the nit)
   Size: approximately 0.8 mm.
   Colour: white, beige or brown.
   Glued very firmly to the hair.
   Ec