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Abstract

Two new species of Chaerilus are described. C. ojangureni sp. n. is most similar to C. laevimanus Pocock, 1899, from which it differs in the presence of carinae on the dorsal surface of metasomal segments and in having trichobothrium d2 situated on the dorsal surface of the patella of pedipalps. C. sejnai sp. n. is 16 to 22 mm long, only slightly smaller than C. celebensis Pocock, 1894, C. petrzelkai Kovařík, 2000 and C. rectimanus Pocock, 1899. It is most similar to C. rectimanus from Malaysia, whose males however lack a pronounced internal tubercle on the patella of pedipalps. C. sejnai sp. n. was bred and raised by the author; data on its ontogeny are included. Both males and females matured after the fourth ecdysis, which took place at the age of 11 months in the males and of 18 months in the females. The female allotype gave birth at the age of 28 months.

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