Neothrombiidae

Saboori, Alireza, Ueckermann, Edward A. & Harten, Antonius Van, 2008, A new genus of Neothrombiidae (Acari: Trombidioidea) from Yemen, Zootaxa 1925, pp. 23-30 : 29

Key to genera of Neothrombiidae of the world (larva), based on Saboori (2002)

1. One seta on coxa II ...................................................................................................................................... 2

- Two or more setae on coxa II........................................................................................................................4

2. Two solenidia on Ge II ...................................................................................... Nanotrombium Zhang, 1994

- One solenidion on Ge II................................................................................................................................3

3. One solenidion on Ge III; two solenidia on Ti II .............................................................. Solistrus gen. nov.

- Without solenidion on Ge III; one solenidion on Ti II ....................................... Thaitrombidium Fain, 1998

4. Eyes present ..................................................................................................................................................5

- Eyes absent .................................................................................................................................................14

5. Two setae on scutellum.................................................................................................................................6

- More than two setae on scutellum ..............................................................................................................10

6. Sensillary setae anterior to PL setae .............................................................................................................7

- Sensillary setae posterior to PL setae .......................................................................................................... 8

7. PL seta medially to sensillary seta, scutum neither striated nor punctate....................................................... .............................................................................................................. Opiliotrombium Zhang & Fan, 2005

- PL seta laterally to sensillary seta, scutum striated and punctate ...................... Southcottella Saboori, 2002

8. Scutellum with bifid setae, scutum with four bilobed setae (AL & PL) ......................................................9

- Scutellum with normal setae, scutum with two bilobed setae (AL) .............. Neosilphitrombium Fain, 1992

9. Five setae on coxa I, three setae on coxa III ......................................................... Silphitrombium Fain 1992

- Four setae on coxa I, two setae on coxa III ..............................................Vagatotrombium Haitlinger, 2001

10. Two solenidia on Ge I.................................................................................................................................11

- Four solenidia on Ge I ....................................................................................... Dasitrombium Zhang, 1994

11. Four setae on scutellum ..............................................................................................................................12

- Six setae on scutellum ................................................................................................................................13

12. Ge II & III with three normal setae ................................................................ Acritrombium Southcott, 1986

- Ge II & III with two normal setae ..................................................................... Machilitrombium Fain, 1994

13. Two setae on coxa I; PL anterolateral to sensillary seta ............................. Neothrombium Oudemans, 1909

- Four setae on coxa I; PL posterolateral to sensillary seta .................................. Paputrombidium Fain, 1992

14. Two setae on scutellum; scutum length greater than width, constricted near AM; sensillary setae long and thin ............................................................................. Ceuthothrombium Robaux, Webb & Campbell, 1976

- Four setae on scutellum; scutum width greater than length; sensillary setae clavate..................................... ............................................................................................................................. Wondeclia Southcott, 1987