Sminthuridae, Lubbock, 1862

Shayanmehr, Masoumeh, Yoosefi Lafooraki, Elham, Tully, Thomas, Dhaese, Cyrille & Ghajar Sepanlo, Mehdi, 2024, New records of springtails (Hexapoda, Collembola) for Iran from the Bula Hyrcanian forest, Journal of Insect Biodiversity and Systematics 10 (1), pp. 31-42 : 38

Key to the known genera of Sminthuridae of Iran (adapted from Bretfeld, 1999; Mehrafrooz Mayvan et al., 2015)

1 Neosminthuroid setae present, dens with 0–6 anterior setae. ....................................................................... 2

— Neosminthuroid setae absent, dens with 9–15 anterior setae. ....................................................................... 5

2 Thoracic segment II without vesicles. ................................................................... Sphyrotheca Börner, 1906

— Thoracic segment II always with vesicles. ........................................................................................................ 3

3 Antennal segment IV undivided or weakly subsegmented. ........................... Neosminthurus Mills, 1934

— Antennal segment IV subsegmented. ............................................................................................................... 4

4 Claws with tunica and serrated basolateral edges, Dens with three ventral setae, inner dorsal edge of mucro with seven to eight blunt teeth, outer edge almost smooth, head with thick, blunt-tipped rough macrochetae. ................................................................................................................... Lipothrix Börner, 1906

— Claw broad with inner tooth, large tunica, dens with four anterior seta, inner dorsal edge of mucro coarsely serrate, outer smooth, head with short, truncate, almost smooth spine. ........................................ .................................................................................................................................. Paralipothrix Bretfeld, 1999

5 Trochanter III with normal posterior seta. ....................................................................................................... 6

— Trochanter III with posterior spine. .................................................................................................................. 7

6 Tibiotarsi only pointed distal setae. ..................................................................... Sminthurus Latreille, 1802

— Tibiotarsi with also spatulate distal setae. ....................... Spatulosminthurus Betsch & Betsch-Pinot, 1983

7 Head frons without postantennal setae. .................................................................... Caprainea Dallai, 1970

— Postantennal seta present. .............................................................................................. Allacma Börner, 1906