Microdispidae Cross 1965
Creators: name: Hajiqanbar, Hamidreza
name: Sobhi, Mohammad
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Actinedida
Microdispidae

description: Key to genera and species of the family Microdispidae recorded from Iran   1. Tibiotarsus I with claw …………………………… Unguidispus ………...…..………….……. 2   
- Tibiotarsus I without claw ………………….………………………………..…………………. 3  
 2. Dorsal setae of hysterosoma spatulate with dense barbs …………..…...…………… U. japonicus   
 - Dorsal setae of hysterosoma simple, smooth or weakly barbed …….…………….… U. okumurai   
3. Posterior margin of posterior sternal plate entire …………….…..…………………………….. 4  
- Posterior margin of posterior sternal plate tripartite …………..…………………...………….. 13  
 4. Pseudanal segment with three pairs of setae; tibia IV with three setae ……………………..……... ……………………………………… Neomicrodispus ……………………………... N. iranicus   
- Pseudanal segment with two pairs of setae; tibia IV with four setae ……………….………..… 5  
 5. Tibiotarsus I with three solenidia and 14 setae; pharyngeal pump III much larger than pump I ………………………………………… Paramicrodispus ………………………....…….….... 6   
 - Tibiotarsus I with four solenidia and 16 setae; pharyngeal pumps I and III reduced, subequal …... ………………………………….……… Caesarodispus ………………………..…………….. 7   
 6. Setae c 1 shorter than distance c 1 - c 2; setae e and f subequal; setae e not reaching to bases of setae h 1 ………………………………………………....………………………… P. scarabidophilous   
 - Setae c 1 subequal to distance c 1 - c 2; setae e longer than f; setae e reaching to bases of setae h 1 ……... ………………………………….………………………..………………… P. crenulatus   
7. Hysterosomal tergites not reticulated; femur II with three setae..…………………..….………. 8  
 - Hysterosomal tergites distinctly reticulated; femur II with two setae …..…………... C. samsinaki   
 8. Tibia IV seta d heavily barbed, reaching beyond tip of pretarsus IV..……………………….… 9   
 - Tibia IV seta d smooth or weakly barbed, not reaching beyond tip of pretarsus IV ….…….… 11   
 9. Seta d of femur IV longer than tc” of tarsus IV; minute setae ps 2 present …..……..… C. modestus   
 - Seta d of femur IV shorter than tc” of tarsus IV; minute setae ps 2 absent.…………………… 10   
 10. Distance h 1 - h 2 and h 1 - h 1 usually subequal; posterior part of aggenital plate smooth ……………... …………………..……………………………………………………….…………. C. nodijensis   
 - Distance h 1 - h 2 about 2.5 times longer than h 1 - h 1; posterior part of aggenital plate distinctly reticulated.……………………………………………………….…………………. C. pheidolei   
 11. Posterior part of aggenital plate distinctly reticulated ……………………….…... C. shandizensis   
- Posterior part of aggenital plate smooth …………………………………..……………...….… 12  
 12. Distance h 1 - h 2 clearly about 2.5 times longer than h 1 - h 1 …………………….……… C. khaustovi   
 - Distance h 1 - h 2 and h 1 - h 1 subequal ……………………………………………...…….. C. minutus   
 13. Seta s of tibiotarsus I present; two pairs of cheliceral setae ……. Punicodoxa …... P. termitophila   
 - Seta s of tibiotarsus I absent; usually one pair of cheliceral setae ….… Premicrodispus …….. 14   
 14. Setae 4 a present ……………………………………………………………………...……..…. 15   
 - Setae 4 a absent ……………………………………..……………………………….………… 16   
 15. Bases of setae f associated with well-developed oblique ridges ………………………. P. lineatus   
 - No ridges near the bases of setae f …………………………………………………. P. paramaevi   
 16. Setae ps 2 present …………………………………………………………………………....…. 17   
 - Setae ps 2 absent …………..…………………………………………………………….……... 19   
 17. Setae h 1 and h 2 subequal; tarsi and tibiae II and III with spine-like setae ……………... P. spinosus   
 - Setae h 2 distinctly shorter than h 1; tarsi and tibiae II and III with no spine-like seta ………..... 18   
 18. Tibiotarsus I with four solenidia; seta ps 3 longer than h 1; setae e and h 1 subequal ….. P. turkmenus   
 - Tibiotarsus I with three solenidia; seta h 1 distinctly longer than ps 3 and e..………... P. akermanae   
 19. Setae sc 2 and d subequal ……………………………..………………..…………. P. acutisetosus   
 - Setae sc 2 distinctly longer than d …………………………………..………….………………. 20   
 20. Setae ps 3 distinctly longer than ps 1 ……………………………………………….. P. longicaudus   
 - Setae ps 1 and ps 3 subequal …………………………………………………………………….. 21   
 21. No ridges near the bases of setae e ……………………………………………..………. P. krczali   
 - Bases of setae e associated with well developed oblique ridges …………………………….… 22   
 22. Setae sc 2 and c 1 subequal; setae c 2 and c 1 situated almost at the same level ………….… P. rackae   
 - Setae sc 2 distinctly longer than c 1; setae c 2 situated distinctly anterior to c 1 ………… P. brevisetus
description: Published as part of Hajiqanbar, Hamidreza & Sobhi, Mohammad, 2018, New records of the microdispid mites (Acari: Heterostigmata: Microdispidae) associated with ants with a review of the family in Iran, pp. 105-113 in Persian Journal of Acarology 7 (2) on pages 108-109, DOI: 10.22073/pja.v7i2.35131, http://zenodo.org/record/4634156