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- Ohio has 4 species of venomous spiders living in the state: Southern Black Widow (Latrodectus mactans) Northern Black Widow (Latrodectus variolus) Brown Recluse (Loxosceles reclusea) Mediterranean Recluse (Loxosceles rufescens) These spiders have much more potent venom than other spiders, but deaths from them are still rare.
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- Black Widow. Identifying Characteristics: Females are 6 to 19 mm long—shiny black with a distinctive red hourglass-shaped mark. A row of red spots is sometimes visible above.
- Brown Recluse. Loxosceles reclusa. Identifying Characteristics: Both sexes are 6 – 10 mm long. Yellowish to grayish brown. The head is often darker, usually with faint or distinct violin-shaped marks.
- Black-Footed Yellow Sac Spider. Cheiracanthium inclusum. Identifying Characteristics: Pale yellow-beige color with dark brown markings on its palps, jaws, and the ends of its feet.
- Orb-Weaver
- Wolf
- Long-jawed Orb-Weaver
- Jumping
Tuft-legged Orb-weaver (Mangora placida)Labyrinthine Orb-weaver (Metepeira labyrinthia)Feather-legged Orb-weaver (Uloborus glomosus)Missouri Burrowing Wolf (Geolycosa-missouriensis)Tigrosa helluoElongate Stilt (Tetragnatha elongate)Pachygnatha autumnalisMyrmarachne formicariaSitticus fascigerTutelina elegansSylvana Jumping (Colonus sylvanus)Instead, educate yourself about the different species of spiders in the area and learn to identify the key features that distinguish venomous spiders from harmless ones. By debunking these common misconceptions, we hope to alleviate some of the fears and anxieties associated with spiders in Ohio.
- Black Widow Spider. The black widow spider (or Latrodectus) is one of Ohio’s most dangerous venomous spiders. This spider is tiny, but its venom is powerful.
- Brown Recluse Spider. The brown recluse is a dangerous venomous spider in Ohio, but it’s rarely identified correctly. For this reason, brown recluse sightings and bitings aren’t as common in Ohio as people might think.
- Mediterranean Recluse Spider. The Mediterranean recluse spider is a dangerous venomous spider not native to Ohio. But over time, this invasive species made its way to Ohio and other states, usually after being transported in shipments of goods from other countries.
- Yellow Sac Spider. The yellow sac spider is a venomous arachnid in Ohio that is moderately dangerous to humans. Its bite comes with pain similar to a hornet sting.
However, there are four species of venomous spiders in Ohio that are considered medically significant: the brown recluse (Loxosceles reclusa), the mediterranean recluse (Loxosceles rufescens), the southern black widow (Latrodectus mactans) and the northern black widow (Latrodectus variolus).
Jul 6, 2022 · Ohio has 4 species of venomous spiders living in the state: Southern Black Widow (Latrodectus mactans) Northern Black Widow (Latrodectus variolus) Brown Recluse (Loxosceles reclusea) Mediterranean Recluse (Loxosceles rufescens) These spiders have much more potent venom than other spiders, but deaths from them are still rare.
Feb 1, 2023 · There are four species of significantly venomous spiders in Ohio. These spiders are not dangerous to humans but do pose a threat if they bite. The yellow sac spider, recluse spider, and southern/northern black widows are considered dangerous species. Wolf Spiders on the other hand, are harmless.
