This group is composed of those often loosely called black widow spiders, brown widow spiders, and similar spiders. ... However, the diversity of species is much ...
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Latrodectus
Ragno
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Latrodectus č un genere di ragni appartenente alla famiglia Theridiidae, note con il nome comune di vedove o malmignatte.
Include circa una trentina di specie, tutte velenose, una delle quali č presente anche in Italia. Wikipedia
Classificazioni inferiori successive
Black widows are poisonous arachnids—animals that have a skeleton outside their body, a segmented body, and eight jointed legs. They are not insects.
Black widows are notorious spiders identified by the colored, hourglass-shaped mark on their abdomens. Several species answer to the name, ...
The black widow belongs to a group of spiders commonly known as cobweb spiders. The characteristic hourglass is located on the underside of the abdomen. Female ...
Latrodectus mactans, known as southern black widow or simply black widow, and the shoe-button spider, is a venomous species of spider in the genus ...
The glossy, black-bodied female black widow spider has distinctive red spots on the underside of the abdomen. Only the female can inflict a potentially ...
11 mag 2023 · The black widow is a medium-sized spider -- about a half-inch long. Two species are common to the United States: The southern black widow.
15 mar 2024 · black widow, (genus Latrodectus), any of about 30 species of black spiders distinguished by an hourglass-shaped marking on the abdomen.
Like the northern black widow, the female southern black widow spider is jet-black in color and is shiny. They also have a red hourglass-shaped mark on the ...
1 lug 2023 · The black widow spider (Latrodectus genus) has a shiny black body with a red hourglass-shape on its belly area. The venomous bite of a black ...