THE SUBFAMILY EUTICHURINAE IN THE NEOTROPICAL REGION,WITH THE REVISION OF THE GENUS EUTICHURUS SIMON, 1896 (ARANEAE, MITURGIDAE). The subfamily Eutichurinae is diagnosed and characterized. Eigth species of Eutichurus Simon, 1896 are redescribed: E.ferox Simon, 1896, type species; E.furcifer Kraus, 1955; E. lizeri Mello-Leitão, 1938; E. luridus Simon, 1896; E. ravidus
Simon, 1896; E. sigillatus Chickering, 1937; E.putusO. Pickard-Cambridge, 1898; and E. tropicus (L. Koch, 1866). Fiveteen new species are described: E. arnoi, E. brescoviti, E. marquesae, and E. valderramai, ali from Colômbia; E.pallatanga from Ecuador; E. silvae from Ecuador and Peru; E. abiseo, E. cuzco, E. madre, E. manu, E. saylapampa, E. yalen and E. zarate, ali from Peru; E. ibiuna and E. itamaraju from Brazil. Radulphius Keyserling, 1891 is characterized onthe base of R. bicolor Keyserling, 1891, type species, and R. camacan n. sp., both from Brazil. Ericaella new genus is proposed for Eutichurus longipes Chickering,1937, type species from Panama, and Ericaella samiria n. sp. from Peru. The male of Eutichurus putus and the females of E. sigillatus, E.furcifer and Ericaella longipes, comb, n., are described for the first time. Lectotypes and paralectotypes are designated for Eutichurusferox, E. ravidus and E. luridus. Three pecific names are synonymyzed: Eutichurus birabeni Mello-Leitão, 1941 with E. lizeri Mello- Leitão, 1938; Eutichurus ecuadorensis Schmidt, 1971 with E. putus O. Pickard-Cambridge, 1898; Philisca pallida Mello-Leitão, 1943 with Eutichurus ravidus Simon, 1896.
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