Proctolaelaps

Abo-Shnaf, Reham I. A. & De Moraes, Gilberto J., 2016, Proctolaelaps species (Acari: Mesostigmata: Melicharidae) from Egypt, with description of a new species and complementary descriptions of other five species, Zootaxa 4162 (3), pp. 479-503 : 500

Key to Proctolaelaps species reported from Egypt

1. Most dorsal shield setae at most 70% as long as distance between their base and the base of the respective subsequent setae of the same series...................................................................................... 2

- Most dorsal shield setae as long as or almost as long as distance between their base and the base of the respective subsequent setae of the same series................................................................................ 3

2. Seta h1 distinctly stouter than other hypostomal setae; sternal shield laterally striate and smooth elsewhere........ P. afifii

- Hypostomal setae of about uniform thickness; sternal shield reticulate............................. P. gizaensis n. sp.

3. Seta j1 about 5.4 times as long as z1 ............................................................ P. holoventris

- Seta j1 at most 2.3 times as long as z1 ..................................................................... 4

4. Seta j1 about 5.3 times as long as J5 ............................................................ P. aegyptiacus

- Seta j1 at most 3.0 times as long as J5 .................................................................... 5

5. Distance J5–J5 about as long as length of J5; sternal and genital shields mostly smooth.................... P. pygmaeus

- Distance J5–J5 about 2.4 as long as length of J5; sternal and genital shields mostly reticulate................ P. metwalyi