Across Spain, galore households person been noticing much spiders appearing successful swimming pools and creeping into homes during nan summertime months. While nan show of a ample spider floating successful nan h2o aliases wandering crossed nan patio tin origin alarm, experts reassure nan nationalist location is nary origin for concern. This uptick successful spider sightings happens each twelvemonth during July and August, erstwhile antheral Amblyocarenum walckenaeri, known commonly arsenic wafer trapdoor spiders and Macrothele calpeiana aka Andalucían chimney web spider, look successful hunt of a mate.
Summer Mating Season Brings Spiders Into nan Open
Both antheral wafer trapdoor spiders and Funnel web spiders walk astir of nan twelvemonth hidden underground and successful their webs, but summertime marks their little and engaged mating season. Drawn by pheromones released by females, nan males time off their burrows and webs and statesman travelling highly agelong distances successful hunt of a mate. This is why, suddenly, much spiders are seen crossing patios, falling into pools, aliases moreover turning up wrong homes.
Unfortunately, nan males’ pheromone-driven travel tin lead them into unfamiliar and hazardous environments, including swimming pools, wherever galore consequence drowning aft falling in.

Lost, Not Dangerous.
Despite their size and astonishing appearances, these spiders are not vulnerable to humans. They are not fierce contempt immoderate males rearing up connected their hind legs, this is simply a protect show and is their measurement of communicating they don’t want trouble, they will only wound if earnestly provoked. Their venom is not medically significant, and their sole attraction is connected uncovering a mate, not connected causing harm aliases invading homes.
Their accrued visibility during this play is temporary. Once mating play ends, spider sightings importantly decrease.
What You Can Do to Help
- Relocate them safely: If you spot a spider successful your home, mildly spot a solid aliases instrumentality complete it, descent a portion of paper underneath, and merchandise it outdoors successful a sheltered spot.
- Pool checks: Check your swimming excavation regular during nan summertime months. If you spot a spider, scoop it retired mildly utilizing a nett aliases container.
- Offer flight options: Floating objects aliases mini ramps successful pools tin thief spiders and different mini creatures climb retired safely.
- Stay calm: Remember, these spiders are not fierce contempt their quality and are only passing done connected their mating quest.
Spiders appearing successful swimming pools aliases astir nan location during summertime are a earthy arena linked to their mating behaviours. They are not vulnerable nor trying to invade homes but are simply pursuing biologic instincts. By knowing their behaviour, homeowners tin debar unnecessary interest and thief these important creatures complete their life rhythm (males only unrecorded a twelvemonth astatine most)!