Abstract
Three new genera of sac spiders of the subfamily Trachelinae (Corinnidae) are described from southern Africa. Fuchiba gen. n. is represented by F. aquilonia sp. n. (type species), F. capensis sp. n., F. montana sp. n., F. similis sp. n., F. tortilis sp. n. and F. venteri sp. n. All species are endemic to South Africa except for F. aquilonia sp. n., which is also recorded from Mozambique and Botswana, and F. montana sp. n., which is known from Lesotho. Fuchibotulus gen. n. is represented by F. bicornis sp. n. from South Africa (type species) and F. kigelia sp. n. from South Africa and southern Mozambique. Poachelas gen. n. is represented by three new species, and two species groups are recognised based on leg morphology. The striatus species group is represented by P. striatus sp. n. (type species, South Africa) and P. solitarius sp. n. (Zimbabwe). The montanus species group, represented by P. montanus sp. n., is endemic to South Africa. The three genera show different microhabitat preferences. Representatives of Fuchiba gen. n. and Fuchibotulus gen. n. were collected primarily by pitfall trapping or by hand from leaf litter in various biomes, while representatives of Poachelas gen. n. were collected primarily from the base of grass tussocks, or occasionally by sweep-netting in grassland and savannah. Identification keys to new species are provided for each genus.
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