Species: Eresus moravicus
Common name: Ladybird spider
Native range: Central Europe (Czechia, Slovakia, Hungary, Austria, Albania)
Temperature: 22–28°C; room temperature suits it well
Humidity: Low — never water; they take moisture from their prey (moisture is fatal to them)
Adult size: Females reach about 1.5 cm body length
Lifestyle: Terrestrial (silk-lined burrow)
Speed: Moderate
Venom potency: Mild
Temperament: Secretive
Recommended for: Intermediate keepers
Notes: Ladybird spider (Eresidae); no urticating hairs; not listed under CITES
ERESUS MORAVICUS
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Description
Eresus moravicus
Eresus moravicus is a Central European ladybird spider of warm, dry slopes and grasslands, from Czechia and Slovakia through Hungary, Austria and Albania. As in all Eresus, the male is the star: a red abdomen with black spots and a velvety black body. The female is larger, dark and discreet.
It is a terrestrial species — it builds a vertical, silk-lined burrow with a camouflaged entrance from which it ambushes prey. Calm and secretive, it spends most of its life hidden, making it a subject of patient observation rather than spectacular movement.
In captivity the key is **dryness**: dry substrate, no misting, good ventilation, room temperature. A small enclosure with enough substrate for a burrow is plenty — Eresidae cannot tolerate humidity.
For the keeper who values native European species with uncommon beauty — undemanding in space, but demanding a dry, stable microclimate.