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Tens of Thousands of Tarantulas Emerge Across Texas for Mating Season

Rising heat followed by seasonal moisture is prompting male tarantulas to emerge ahead of expected migrations across a swath from the Southwest into the Midwest

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Close-up female of Spider Tarantula  (Lasiodora parahybana) in threatening position.
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Overview

  • Texas is in peak mating season this week as male tarantulas flood grasslands and deserts in search of mates
  • Experts project similar above-ground activity from August through November in California, Colorado, Kansas, Oklahoma, Arizona and New Mexico
  • Only male spiders typically emerge during mating season while females remain hidden in their burrows
  • Though generally docile, tarantulas can flick irritating barbed hairs and deliver bites comparable to a bee sting if provoked
  • Wildlife specialists advise observing these spiders from a distance, noting their pest-control benefits and low risk to humans