Phytoseiidae

Negm, Mohamed W., Alatawi, Fahad J. & Aldryhim, Yousif N., 2012, A new species of Neoseiulus Hughes, with records of seven species of predatory mites associated with date palm in Saudi Arabia (Acari: Phytoseiidae), Zootaxa 3356, pp. 57-64 : 62-63

Key to species of the Phytoseiidae treated in this paper

1. Setae J2 present...................................................................... Neoseiulus Hughes ...2

- Setae J2 absent................................................................... Proprioseiopsis Muma ...6

2. Spermatheca with atrium forked at juncture with major duct.................................................... 3

- Spermatheca with atrium not forked at juncture with major duct................................................. 4

3. Calyx trumpet-shaped, genu IV with macroseta............................................... N. makuwa (Ehara)

- Calyx saccular, genu IV without macroseta.................................................. N. saudiensis n. sp.

4. Calyx of spermatheca bell-shaped; atrium moderately elongate.......................... N. conterminus (Kolodochka)

- Calyx of spermatheca bowl-shaped; atrium nodular........................................................... 5

5. Stalk clearly present between the calyx and atrium; seta Z5 longer than 75µm, movable digit of chelicera with one tooth...................................................................................... N. bicaudus (Wainstein)

- Stalk hardly seen between calyx and atrium; seta Z5 shorter than 75µm, movable digit with two teeth............................................................................................... N. rambami (Swirski & Amitai)

6. Calyx of spermatheca pocular............................................................... P. asetus (Chant)

- Calyx of spermatheca saccular........................................................................... 7

7. Sternal shield smooth at the central region; all surface of genital shield smooth; atrium of spermatheca compact to base of the calyx; internal surface of calyx base appears convex......................................... P. messor (Wainstein)

- Sternal shield reticulate at the central region; genital shield with lateral striae; atrium nodular; internal surface of calyx base is normally rounded...................................................................... P. ovatus ( Garman)