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・ Cheiracanthium cuniculum
・ Cheiracanthium effossum
・ Cheiracanthium elegans
・ Cheiracanthium fulvotestaceum
・ Cheiracanthium furculatum
・ Cheiracanthium gratum
・ Cheiracanthium ienisteai
・ Cheiracanthium inclusum
・ Cheiracanthium insulare
・ Cheiracanthium macedonicum
・ Cheiracanthium margaritae
・ Cheiracanthium mildei
・ Cheiracanthium occidentale
・ Cheiracanthium oncognathum
・ Cheiracanthium pennatum
Cheiracanthium punctorium
・ Cheiracanthium rupestre
・ Cheiracanthium salsicola
・ Cheiracanthus
・ Cheiradenia
・ Cheiragonidae
・ Cheiralgia paresthetica
・ CheiRank
・ Cheiranthera
・ Cheiridioidea
・ Cheiridopsis
・ Cheiridopsis caroli-schmidtii
・ Cheiridopsis denticulata
・ Cheirisophus
・ Cheirisophus (general)


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Cheiracanthium punctorium : ウィキペディア英語版
Cheiracanthium punctorium

''Cheiracanthium punctorium,'' one of several species commonly known as the yellow sac spider, is a spider found from central Europe to Central Asia. They reach a length of about 15 mm, and can penetrate human skin; the bite is similar to a wasp sting, perhaps a bit more severe, although susceptible persons can have stronger reactions, like nausea.
Females build an egg sac of about 4 cm in high grass. It opens below and is aggressively defended.
In Germany, where it is the only "seriously" toxic spider, it is a rare species, only known to occur in notable numbers in the Kaiserstuhl region, the hottest part of the country. Due to changing weather patterns, leading to increased aridity and less precipitation in some areas, this species spreads to more northern parts of Europe, e.g. Brandenburg, Germany, where the present trend is towards a climate more similar to the Central Asian steppes where ''C. punctorium'' is most numerous.
The genus ''Cheiracanthium'' was transferred from the Clubionidae to the Miturgidae,〔Platnick 2007〕 and then to the Eutichuridae.
==Footnotes==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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