Animals Directory

Archive for the ‘Young Spiderlings’ Category

The young spiderlings, or juveniles, are orange, brown and white; acquire their black color with age or with each molt. Its habitat is terrestrial, usually live near the ground and in warm and dark spots. However, it also prepares its caves on plants. The fabric of the widow can be found in crevices under rocks, on plants, in crevices or holes in dirt embankments and barns. Can also be found in the outdoor seating beneath wood chips, around stacked materials, abandoned burrows or rodent holes, even grape vines. This spider can find your site on clothing or shoes and occasionally try to enter a house to build her web, but not usually found within them.

When seeking refuge in a building, is due to cold weather and the need for a dry place. Moreover, in the eastern United States, the mactans associated with littered areas, or at the garages. In the arid parts of Arizona, this spider inhabits almost every crevice of the floor. In central Chile is known as red spider poto or wheat, and are recognized as aggressive pursuers of their attackers. In times of threshing, the spider is evident.

The Latrodectus mactans are timid, sedentary, solitary, and nocturnal cannibals. The only social life they show is to mate. During daylight hours, the spider spends his time at Silk tunnel, which is the base of the trap. The widow hanging upside down in her web, her red mark is a visible sign of danger. This chandelier will fall on your fabric with the slightest vibration and pretend to be dead.

The black widow is usually awkward when not in direct contact with the fabric. Their web is irregular and thick. You can recognize three structural levels: a complex of support wires, a central threads and a lower area of ​​the trap. Also, the black widow is very active in the months of autumn and the fabric is spread everywhere. Most of these spiders live only a year.

Are exclusively carnivorous and antagonism between them. Usually feed on insects, but also feeds on wood and other bugs arachnids. Normally the black widow hunt their prey with their material, fall and get tangled, use this to make an approach, he turns around and drop wire to ensnare their victims with the help of their hind legs, when it is subject, the spider about and deals a little bite their prey by injecting a lethal dose of poison, once the prey dead widow and will inject about gastric juices, causing it to absorb dissolved. The whole process of digestion occurs outside the body of the spider.

They are not aggressive and do not have the instinct to bite, their venom is neurotoxic, which means it blocks the transmission of nerve impulses. If the black widow spider is pressed against human skin is a natural reaction because biting for defense. The bitten man suffering from a painful stiffness in the abdominal muscles. Although the venom of this spider is serious, is rarely fatal. If properly and promptly treated, the victim fully recovers. The bite of a black widow spider is distinguished by a double wound. Children and adults who are not in good physical condition but the bite can suffer fatal consequences. It is reported that the mactans venom is 15 times more toxic than a rattlesnake.

The Latrodectus mactans are called black widows, they generally eat the male after mating, but sometimes the male escapes and manages to mate again. But usually the male remains in the fabric of the female to serve food and ensure a good start.