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![](https://binary.pensoft.net/fig/163896/singlefigmini/file.jpg)
Physoctonus debilis, female from Juazeiro, Bahia, Brazil, in natural habitat (photograph Tiago J. Porto).
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Campos of Pará in southern Amazonia, natural habitat of the new species. Photograph taken by the author in 1979. The region was largely threatened in recent years by anthropic action.
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Map of northern South America, showing only the locations in north-east Brazil from where P. debilis was studied, and the type locality of the new species.
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Physoctonus amazonicus sp. n., Habitus of female holotype, dorsal and ventral aspects.
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Physoctonus amazonicus sp. n., female holotype. A Cutting edge of chela movable finger B Idem, extremity in detail C Metasomal segment V and telson, lateral aspect D Chelicera, dorsal aspect. Scale bars: 1 mm.
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Physoctonus amazonicus sp. n., female holotype. Trichobothrial pattern. A Femur, dorsal aspect B–C Patella, dorsal and external aspects D–E Chela, ventral and dorso-external aspects F Idem, Physoctonus debilis, female from Caxias. Scale bar: 1 mm.
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Termite mound of Armitermes sp., natural habitat of the new species in the Campos of Pará (photograph by the author, 1979).
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![](https://binary.pensoft.net/fig/163907/singlefigmini/file.jpg)
Physoctonus debilis. Habitus of female from Caxias, Maranhão, Brazil, dorsal and ventral aspects.