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Azilia affinis

Azilia (Figs. 1-4) corresponds almost completely to the European species of Araneidae dissected by me. The only differences observed are the following: M.antero-medialis verticalis (av) of the chelicera is extremely weak. M.tergo-pedipalpalis posterior (pp) arises as two portions. (M.tergopedipalpalis anterior [pa) has two fans, as in Araneus cornutus . It seems to be of very little taxonomic importance whether the tergo-pedipalpal muscles have one or two portions, and individual variation appears probable.) The suspensor IV is cleft, with the origin of one fan on the dorsal apodeme, which is a very rare finding. The caecal branches to legs I and III give off small pouches between the anterior and posterior median tergo-coxal muscles (c 2 and c :j ), a feature typical of the Tetragnathidae .


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