Panonychus

Arabuli, Tea, Çobanoglu, Sultan & Auger, Philippe, 2016, Panonychus from Georgia: survey, taxonomical status and redescription of P. hadzhibejliae (Reck, 1947) (Acari, Tetranychidae), Zootaxa 4114 (4), pp. 464-476 : 474-475

Key to the world species of Panonychus *

1 Dorsohysterosomal setae not set on tubercles................................................................ 2

- Dorsohysterosomal setae set on obvious tubercles............................................................ 3

2 Male tarsus II with 1 tactile seta and 1 solenidion proximal to duplex setae; aedeagus dorsal margin of the shaft with a promi- nent process, distal upward part poorly developed, not sigmoid, ending in a round tip (on Bamboo, Sasa chartacea ; Japan)............................................................................. P. pusillus ( Ehara & Gotoh, 1987)

- Male tarsus II with 3 tactile setae and 1 solenidion proximal to duplex setae; aedeagus distal upward part short, slightly sig- moid with truncate tip (on Bamboo, Sasa senanensis ; Japan)................................. P. akitanus Ehara, 1978

3 Aedeagus with a ball-shaped knob (on Achyranthes aspera , Vitis sp.; Taiwan).................... P. globosus Tseng, 1974

- Aedeagus without terminal knob.......................................................................... 4

4 Aedeagus distal portion not undulate, bent up and forward..................................................... 5

- Aedeagus distal portion undulate, bent posteriorly............................................................ 6

5 Tip of the aedeagus bent forward; female duplex setae on tarsus II with proximal tactile member shorter than distal associated solenidion (on Malus domestica cv. Delicious de Viscas; Peru)....................... P. inca De Vis & De Moraes, 2002

- Tip of the aedeagus not bent forward; female duplex setae on tarsus II with proximal tactile member more or less longer than distal associated solenidion (on Ulmus davidiana ; Japan)........................... .. P. thelytokus Ehara & Gotoh, 1992

6 Genua I and II with 4 tactile setae, genu III with 2 tactile setae (on bamboo, Sasa borealis and Sasa senanensis ; Japan)............................................................................. P. bambusicola Ehara& Gotoh, 1991

- Genua I and II with 5 tactile setae, genu III with 3 tactile setae.................................................. 7

7 Genu IV with 2 tactile setae (on Compositae, Cucurbitaceae, Leguminosae , Malvaceae , Moraceae , Rosaceae and Urticaceae ; Brazil, China, Japan, Tawan & USA)..................................................... P. caglei Mellot, 1968

- Genu IV with 3 tactile setae............................................................................. 8

8 Female dorsohysterosomal setae f 2 and h 1 similar in length..................................................... 9

- Female dorsohysterosomal setae f 2 obviously longer than h 1................................................... 13

9 Female dorsohysterosomal setae c 3 more than 100 µm long, ratio c 1/ h 1 about 5 or more.............................. 10

- Female dorsohysterosomal setae c 3 less than 100 µm long, ratio c 1/ h 1 about 4 (on Ficus carica ; Greece)................................................................................................. P. caricae Hatzinikolis, 1984

10 Aedeagus stout, sigmoid distal part about as long as dorsal margin of the shaft (on some Cannabaceae , Menispermaceae , Moraceae and Rosaceae ; Iran & Japan)................................................. P. mori Yokoyama, 1929

- Aedeagus with sigmoid distal part thinner, longer than dorsal margin of the shaft.................................. 11

11 Aedeagus with sigmoid distal part thin and long, about twice as long as dorsal margin of the shaft (on Caricaceae, Leguminosae , Meliaceae , Menispermaceae , Moraceae , Oleaceae , Passifloraceae , Rosaceae , Rutaceae and Taxaceae ; Australia, China, Myanmar, Papua New Guinea, Taiwan & Thailand)................................... P. elongatus McGregor, 1916

- Aedeagus with sigmoid distal part about 1.5 times as long as dorsal margin of the shaft............................. 12

12 Aedeagus turns upward at an angle about 50° to the ventral margin of the shaft; female dorsal seta e 2 noticeably shorter than e 1, ratio between female dorsal setae sc 1 and f 2 about 6 (on Osmanthus ; China and Japan)...... P. osmanthi Ehara & Gotoh, 1996

- Aedeagus turns upward at an angle between 67-78° to the ventral margin of the shaft; female dorsal seta e 2 approximately as long as e 1, ratio between female dorsal setae sc 1 and f 2 about 5 (on various hosts; worldwide distribution).................................................................................................. P. citri ( McGregor, 1916)

13 Female dorsohysterosomal setae not arch-shaped (on Malus domestica ; Taiwan)................ P. lishanensis Tseng, 1990

- Female dorsohysterosomal setae arch-shaped............................................................... 14

14 Female dorsohysterosomal setae c 3 less than 100 µm long, ratio c 1/ h 1 about 3, palptarsal eupathidium su about twice as long as related solenidion ω (on Ficus carica ; Armenia, Azerbaijan & Georgia)................... P. hadzhibejliae ( Reck, 1947)

- Female dorsohysterosomal setae c 3 more than 100 µm long, ratio c 1/ h 1 greater than 4, su as long as related solenidion ω (on various hosts; worldwide distribution)........................................................ P. ulmi ( Koch, 1836)