Figures 18–25 in Phylogeny of the spider genus Ixchela Huber, 2000 (Araneae: Pholcidae) based on morphological and molecular evidence (CO1 and 16S), with a hypothesized diversification in the Pleistocene

Figures 18–25. Ixchela azteca sp. nov. Male. 18, Left patella IV, ventral view (arrow indicates the lyriform organs). 19, Left patella IV, detail of the lyriform organs. 20, Left tibia IV, basal part, ventral view. 21, Tibia IV, detail of the setae. 22, Left tarsus IV, retrolateral view (arrows indicate the comb-hairs). 23, Left tarsus IV, detail of the median claw and comb-hairs. 24, Left tarsus IV, detail of the pseudosegments (arrow indicates the tarsal organ). 25, Left tarsus IV, detail of the tarsal organ and setae socket. Scale bars: 30 μm (Figs 23, 25), 50 μm (Figs 19, 22), 100 μm (Fig. 24), 300 μm (Fig. 21), 400 μm (Fig. 18), 500 μm (Fig. 20).