. Bonner zoologische Monographien. Zoology. HUBHR, RFVISION AND cn AHlS TK: ANALYSIS OV /' AND 'AXA (, PIICMXIIDAF). FIG. 1302. Known distribution of the Pholcus debilis species group. with distinctively short but thick retrolatero-ventral apophysis, femur with small retrolatero-dorsal hump and ventral step-shaped projection, tarsus without dorsal elongation, tarsal organ capsulate, procursus with ventral 'knee', without dorsal spines. Male bulb with large uncus, simple appendix, weakly sclerotized embolus. Legs long and thin, tibia 1 in males -8-11, tib
. Bonner zoologische Monographien. Zoology. HUBHR, RFVISION AND cn AHlS TK: ANALYSIS OV /' AND 'AXA (, PIICMXIIDAF). FIG. 1302. Known distribution of the Pholcus debilis species group. with distinctively short but thick retrolatero-ventral apophysis, femur with small retrolatero-dorsal hump and ventral step-shaped projection, tarsus without dorsal elongation, tarsal organ capsulate, procursus with ventral 'knee', without dorsal spines. Male bulb with large uncus, simple appendix, weakly sclerotized embolus. Legs long and thin, tibia 1 in males -8-11, tibia 1 L/d -85-95, legs without spines and curved hairs, few vertical hairs, tibiae with three trichoboth- ria each except tibia 1 (prolateral trichobothrium absent), retrolateral trichobothrium on tibia 1 at 4-5%. Abdomen cylindrical, male gonopore with four epiandrous spigots, ALS with one widened, one pointed, and variable number of cylindrically-shaped spigots (five in Ph. attuleh, none in Ph. debilis and Ph. soukous, unknown in Ph. baka), PMS with two small spigots. Sexual dimorphism slight, female body size as in males, chelicerae unmodified, eye triads closer to- gether and not on stalks, legs slightly shorter (tibia 1: ). Epigynum sclerotized with 'knob', in- ternal genitalia with pair of pore-plates of variable shape and position. Monophyly. The species included share the reduction of AME and the male eye triads on stalks (char. 3; Figs. 1260, 1307, 1350). A further derived feature may be the largely monochromous abdomen (Figs. 1250, 1255, 1257). Relationships. The male cheliceral armature (char. 18), the sclerotized epigynum (char. 65) and the procursus without dorsal spines (char. 38) place this species group in a large polytomy at the 'basis' of the core group of Pholcus (Fig. 26); the detailed relation- ships with other species groups in this polytomy re- main obscure. Natural history. In Cameroon, I collected three of the four species included in this
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