Diplocephalus, Bertkau, 1883

Kropf, Holger Frick Wolfgang Nentwig Christian, 2010, Progress in erigonine spider phylogeny-the Savignia-group is not monophyletic (Araneae: Linyphiidae), Organisms Diversity & Evolution (New York, N. Y.) 10 (4), pp. 297-310 : 306

Diplocephalus and Erigonella

The genera Diplocephalus and Erigonella are not monophyletic (Fig. 2). The male palp of Erigonella hiemalis is very similar to that of Diplocephalus latifrons (e.g. compare pl. 10A–E, G with pl. 6A–E, G in “Electronic Supplementary Material” 2, or fig. 64A–C in Merrett 1963 with figs. 947– 949 in Wiehle 1960). Erigonella ignobilis (e.g. pl. 11B, C, E in “Electronic Supplementary Material” 2; figs. 1035–1037 in Wiehle 1960) has a relatively simple palpal conformation compared to other Savignia -group members (e.g. pls. 3–7, 10 in “Electronic Supplementary Material” 2; figs. 63–68 in Merrett 1963). Glyphesis servulus (e.g. pl. 13A–C, E, F in “Electronic Supplementary Material” 2; fig. 62A–C in Merrett 1963) also has a simple palpal conformation, and emerged as a close relative or even sister taxon of Erigonella ignobilis in the implied-weighting analysis (Fig. 7). Diplocephalus latifrons and D. picinus , with ambiguous relationships (and rather different palpal conformations; compare pl. 6A–E, G with pl. 7A–E, G in “Electronic Supplementary Material” 2) are the most basal taxa of the Savignia -group, whereas Diplocephalus cristatus is most derived as sister to Savignia ( Fig. 5).