Azilia affinis

Palmgren, P., 1980, Some comments on the anatomy of spiders, Ann. Zool. Fennici 17, pp. 161-173 : 161

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 .