Microtrombidiidae

Sedghi, Ali, Saboori, Alireza, Akrami, Mohammad Ali & Hakimitabar, Masoud, 2010, A new genus and species of larval mites (Acari: Prostigmata: Microtrombidiidae) from Iran, Zootaxa 2504, pp. 61-68 : 66-67

Key to the genera of Microtrombidiidae of the world (larvae) with three dorsal scuta

1. Coxal setal formula 2-1-1 ............................................................................................................................................. 2

- Coxal setal formula 2-2-1 ............................................................................................................................................. 5

2. Dorsal scutum longitudinally striate ............................................................................................................................. 3

- Dorsal scutum porose, not longitudinally striate .......................................................................................................... 4

3. Dorsal scutum with many fine, contiguous, longitudinal striations. Tarsal claws 3, 3, 3 (dissimilar) ...........................

........................................................................................................................................... Shibadania Southcott, 1994 - Dorsal scutum with few, coarse, scattered longitudinal striations. Tarsal claws 2, 2, 3 (dissimilar).............................. ........................................................................................................................................ Workandella Southcott, 1994

4. Scutellum I with four setae .........................................................................................Cercothrombium Methlagl, 1927

- Scutellum I with two setae ............................................................................................ Crinitrombium Southcott, 1994

5. Tarsal claws 3, 3, 3 (similar), posterior margin of subcapitulum truncate, scutum with tear-like chitinous bars .......... .................................................................................................................................... Keramotrombium Bruyant, 1912

- Tarsal claws 3, 3, 3 (dissimilar), scutum without tear-like chitinous bars.................................................................... 6

6. Ge I & Ti I with 4 solenidia, Ti II & III with 5 normal setae .......................................... Persianthrombium gen. nov.

- Ge I & Ti I with 2 solenidia, Ti II with 6 normal setae ................................................................................................ 7

7. Ti III with 6 normal setae, posterior margin of subcapitulum concave ...... Montenegtrombium Saboori & Pešiċ, 2006

- Ti III with 5 normal setae, posterior margin of subcapitulum truncate ..................... Porttrombidium Haitlinger, 2000