Wasp Spider Recorded in Cheshire for First Time — SkimNews
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- Chester Zoo conservationists spotted a fully grown female wasp spider on the zoo's rewilded 80-hectare estate during a routine biodiversity survey — the first confirmed sighting in Cheshire, later verified by the British Arachnological Society.
- Wasp spiders can grow to about 2cm in body length, making them one of the UK's largest spiders; females frequently cannibalise males during or after mating, with studies finding up to 80% of males die after their first attempt.
- Scott Wilson, head of field programmes at Chester Zoo, said the spider — nicknamed "Wendy" — is the latest "climate refugee" moving north as its southern European ranges warm too quickly to adapt, and that spiderlings can travel long distances by ballooning on silken strands.
- The species, first recorded in the UK in the 1920s, had previously yielded only "a handful" of sightings north of the Midlands, but was also reported moving west into Worcestershire, Herefordshire and Warwickshire the previous week.
- Wilson warned the same climate-driven shifts could carry invasive species such as Asian hornets northwards while pushing habitat-locked native species toward extinction, noting the UK's fragmented landscape magnifies that risk.
- Ruby Merriman, Chester Zoo's estate biodiversity manager, said animals forced to migrate by human-driven warming deserve space in the UK rather than exclusion.
Why it matters: The Cheshire record — confirmed by the British Arachnological Society — adds a new county to a documented northward push of Argiope bruennichi that already includes sightings in Worcestershire, Herefordshire and Warwickshire the prior week. Wilson's warning that the same trend could carry Asian hornets north while squeezing habitat-locked native species frames the spider as a visible signal of a broader ecological reshuffle already underway across UK wildlife.
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