. Bonner zoologische Monographien. Zoology. core group of Pholcus (Fig. 26); the detailed relation- ships with other species groups in this polytomy re- main obscure. Within the species group, four species have very similar male palps {Ph. gracillimus. Ph. negara. Ph. ruteng. Ph. sumatraensis); they are likely closely related and are considered the core group. The other three species are assigned tentatively based on general similarity and geographic closeness. Natural history. Judging from the scarce label data and their general morphology (large, dark pholcids), the species included build th
. Bonner zoologische Monographien. Zoology. core group of Pholcus (Fig. 26); the detailed relation- ships with other species groups in this polytomy re- main obscure. Within the species group, four species have very similar male palps {Ph. gracillimus. Ph. negara. Ph. ruteng. Ph. sumatraensis); they are likely closely related and are considered the core group. The other three species are assigned tentatively based on general similarity and geographic closeness. Natural history. Judging from the scarce label data and their general morphology (large, dark pholcids), the species included build their webs in large protected spaces among tree buttresses, in the lower vegetation, and among rocks. Distribution. The core group is known from Sumatra, peninsular Malaysia, Java, and the Lesser Sunda Is- lands. Species assigned tentatively are from Borneo, Sulawesi, and Andaman and Nicobar Islands (Fig. 1419). Composition. The gracillimus group includes seven species; four of them are newly described below, Ph. gracillimus is redescribed. The Ph. sumatraensis male holotype cannot be found (J. Wunderlich, pers. comm.). I do not know the depository of the Ph. kapuri type material (1(5^3$). Core group: Ph. gracil- //â /T^z^j-Thorell, 1890; Ph. negara n. sp.; Ph. ruteng n. sp.; Ph. sumatraensis Wunderlich, 1995; assigned tentatively: Ph. kapuri Tik^der, 1977; Ph. camba n. sp.; Ph. mentawir n. sp. The RMNH has females of possible further undescribed species from Sumba Island and West Timor. Pholcus gracillimus Thorell, 1890 Figs. 1360, 1394, 1395, 1420-1424 Pholcusgracillimusi:\iovd\ 1890: 298-300. Workman 1896: pi. 71, figs. a-g. Simon 1905: 55. Type. Male holotype from Indonesia, Sumatra, Sungei bulu [''°S, °E], date unknown, col. Beccari, possibly in Museo Civico di Storia Naturale "Giacomo Doria", Genova, not examined. 283. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - colorat
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