Corner spider: Loxosceles laeta
Technical note on corner spider: Loxosceles laeta, with a focus on diagnosis, prevention and criteria applicable to professional pest management.
The corner or corner spider (Loxosceles laeta) is a species of araneomorphic spider of the family Sicariidae (formerly of the family Loxoscelidae). Many consider it the most dangerous of the Loxosceles spiders, and its bite is known to frequently produce severe systemic reactions, including death.
THE CORNER SPIDER They are extremely agile spiders, they flee at high speed and have sometimes been seen jumping. They feed on flies, moths or small arthropods that they catch with their legs or spider webs. The differentiation between males and females is simple since females have a more developed abdomen. It is very common to find them behind paintings, in cracks and corners, always in dry and dark places. Its web is irregularly cottony in appearance.
males up to Females can live up to
1500 days 700 days
Its body is divided into cephalothorax and abdomen.
The corner spider is native to South America (Peru, Uruguay, Chile, Argentina, etc.) and is also found in other places around the world, including North and Central America, Finland and Australia.
Its poison is
10 times
AREAS WHERE IT LIVES Inside the houses in corners.
Shrubs, branches, dry leaves... etc.
More powerful than sulfuric acid burn
Hiding places, it is recommended to clean.
ACTIONS OF THE VENOM The spider inoculates the poison through tiny fangs.
The enzymes dissolve the tissue of their victim.
24-48 Hours symptoms appear. It is recommended to apply ice to the bite.
If left untreated, the skin can become gangrenous and become a type of necrotic crater.
The poison should not be sucked into the mouth.
INFOGRAPHIC: Franco Poma Sánchez
It is recommended to go to the doctor immediately and not resort to home remedies. seizures and joint pain.
200 Causes
thousand deaths in the world per year
ADULT LIFE CYCLE This cycle can be completed between
On the back of the thorax, they have two parallel black lines that draw a kind of violin.
Can jump up to 10 cm high
3
YOUTH STADIUM
300 and 400 days
OOTECA
Contains between 30 to 140 eggs with 9 to 12 molts
EGGS
22 to 24 days
Their color can vary from light to dark brown, in general they have sparse hairs.
Its location affects the type of coloration it will present. It is a natural defense mechanism to be able to camouflage with the environment.
The Loxosceles faeta spider measures 8 to 30 mm with its legs extended.
65 species live in the world
The spider bite is only in self-defense.
They have only three pairs of simple eyes, a larger central one and two small lateral ones, distributed in the shape of a triangle.