Contributions to the taxonomy of the long-jawed orb-weaving spider genus Tetragnatha (Araneae, Tetragnathidae) in the Neotropical region, with comments on the morphology of the chelicerae

Tetragnatha keyserlingi Simon, 1890, SEM photos. A. Left male chelicera, upper and lower views (MCTP 43319 ex 6944); B. Left female chelicera, upper and lower view (MCTP 14749); C. Left male palp, mesal view (MCTP 43319 ex 6944); D. Left palp conductor tip, mesal view (SMF 1552); E. Left male palp paracymbium, ventral view (SMF 1552); F. Epiandrous field, ventral view (MCTP 43319 ex 6944). Scale bars: 0.5 mm (A, B); 0.1 mm (C, E); 0.02 mm (D); 0.05 mm (F).