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Cheiracanthium erraticum female · klajoklinis diegliavoris ♀
- two-clawed hunting spider
- Heidedornfinger, Heide-Sackspinne
- klajoklinis diegliavoris
- kolczak trawny
- bandsporrspindel
- en.wikipedia.org/wiki/Cheiracanthium_erraticum
- naturespot.org.uk/species/cheiracanthium-erraticum
- gbif.org/species/2164140
The species has a Palearctic distribution, from Ireland to east Asia. This species favours the herbaceous layer and low bush layer of open habitats.
Females have a body length of 8–9 mm, males 5-6.5mm. Cheiracanthium erraticum is a distinctively marked spider which shows a wide dark red stripe running down the centre of the abdomen, which is in turn surrounded by an area of creamy-yellow while the head is a reddish brown.
In early summer C. erraticum builds a retreat made from two or three leaves or grass heads which are stitched together to hold the female and her egg sac. Later in the year, the immature spiders, which are already showing the reddish median stripe on the abdomen, can be found in small silk cells on plant stems. Females take care of the eggs and then the young spiderlings; when anxious, they tend to become aggressive. The bite is painful. Adult males are encountered mostly in late spring and early summer while the adult females are mostly found from late spring to the autumn.
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