Ephemerotoma

Potapov, Mikhail, Kahrarian, Morteza, Deharveng, Louis & Shayanmehr, Masoumeh, 2015, Taxonomy of the Proisotoma complex. V. Sexually dimorphic Ephemerotoma gen. nov. (Collembola: Isotomidae), Zootaxa 4052 (3), pp. 345-358 : 357

Key to known species of Ephemerotoma

1 Abd.V with corona-like wart well separated from surrounding cuticle.......................... genus Proctostephanus

- If present, humps at posterior edge of Abd.V don't form distinct corona-like wart................ genus Ephemerotoma ... 2

2 Mucro with 3 teeth. Ventral chaetae on Th.III absent. Abd.V unmodified......................... huadongensis ( China)

- Mucro with 2 teeth. Ventral chaetae on Th.III present. Abd.V modified: with wart or wrinkles......................... 3

3 Proximal half of anterior side of dens with a chaeta ( Figs 8, 9 ). Ant. 1 with 3 or more sens........ skarzynskii sp.nov. ( Iran)

- Proximal half of anterior side of dens without chaetae ( Figs 22, 23 , 33 ). Ant. 1 with 2 sens......................... ... 4

4 Abd.V with sens arranged as in Fig. 30 , in two oblique rows, long lateral sens set close to short sens; all chaetae about the same length ( Fig. 29 )................................................................ multituberculata ( Tajikistan)

- Abd.V with sens arranged as in Fig. 34 , in two transverse rows; with very distinct long and short chaetae......................................................................................... porcella (E Mediterranean: Crete)

Figures

FIGURES 1 – 10. Ephemerotoma skarzynskii sp. nov.: 1, chaetotaxy; 2, outer maxillary lobe; 3, antennal organ of Ant. 3; 4, labium; 5 – 7, sens of Ant. 1 in females (5) and two males (6,7); 8, furca, lateral view; 9, dens, anterior view; 10, distal part of leg 3. ls—lateral sens, is—inner sens, gs—guard sens.

FIGURES 22 – 28. Ephemerotoma multituberculata (22 – 24) and E. huadongensis (25 – 28): 22 – 24, variation of dens, anterior view; 25, 26, distal part of leg 3 in individual from Shanghai (25) and Guangxi (26); 27, 28, dens, from Shanghai (27) and Guangxi (28).

FIGURES 29 – 33. Ephemerotoma multituberculata (29 – 31) and Proctostephanus anopolitanus (32 – 33): 29, 30, Abd. V, chaetotaxy (29) (granulation not shown) and granulation (30); 31, labrum; 32, Abd. V; 33, dens, posterior view.

FIGURES 34 – 41. Posterior part of abdomen in genera Ephemerotoma and Proctostephanus: 34, E. porcella, Abd. V; 35, P. cidi, Abd. V, dorsal view, only sens shown; 36, posterior part of abdomen of P. sanctiaugustini, lateral view; 37 – 41, modification of posterior part of abdomen in Proctostephanus (37 – 39) and Ephemerotoma (40 – 41): P. c i di (37), P. stuckeni (38), P. anopolitanus (39), E. multituberculata (40), E. skarzynskii sp. nov. (41).