Harpactea Popovi
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Harpactea Popovi
''Harpactea'' is a genus of Dysderidae, woodlouse hunting spiders that was first described by W. S. Bristowe in 1939. They are non-web building predators that forage on the ground and on tree trunks at night, mainly in wiktionary:xerothermic, xerothermic forests. During the day, they hide in silk retreats they build under rocks or bark. ''Harpactea sadistica, H. sadistica'' was found to use traumatic insemination, the arthropod behavior of directly inserting its sperm into the body cavity of females. It is the first time it has ever been observed in spiders. ''H. hombergi'' is the only member of its genus that occurs in Great Britain. Description Like all Dysderidae, woodlouse hunters, ''Harpactea'' have six eyes. The type species, ''Harpactea hombergi, H. hombergi'', can grow up to a body length of . Males and females are similar, but the female has no epigyne. Like the rest of their family, they are nocturnal. Unlike them, ''Harpactea'' do not specialize on hunting woodlice. ...
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Harpactea Hombergi
''Harpactea'' is a genus of Dysderidae, woodlouse hunting spiders that was first described by W. S. Bristowe in 1939. They are non-web building predators that forage on the ground and on tree trunks at night, mainly in wiktionary:xerothermic, xerothermic forests. During the day, they hide in silk retreats they build under rocks or bark. ''Harpactea sadistica, H. sadistica'' was found to use traumatic insemination, the arthropod behavior of directly inserting its sperm into the body cavity of females. It is the first time it has ever been observed in spiders. ''H. hombergi'' is the only member of its genus that occurs in Great Britain. Description Like all Dysderidae, woodlouse hunters, ''Harpactea'' have six eyes. The type species, ''Harpactea hombergi, H. hombergi'', can grow up to a body length of . Males and females are similar, but the female has no epigyne. Like the rest of their family, they are nocturnal. Unlike them, ''Harpactea'' do not specialize on hunting woodlice. ...
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[...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  



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