Neoseiulella Muma, 1961

Kanouh, M., Kreiter, S., Douin, M. & Tixier, M. - S., 2012, Revision Of The Genus Neoseiulella Muma (Acari: Phytoseiidae). Re-Description Of Species, Synonymy Assessment, Biogeography, Plant Supports And Key To Adult Females, Acarologia 52 (3), pp. 259-348 : 337-340

Key to adult females of the genus Neoseiulella Muma

1. Ventrianal shield with three pairs of preanal setae (JV3 absent)...................................... 2

— Ventrianal shield with four pairs of preanal setae (JV3 present).................................... 11

2(1). Caudoventral setae JV4 present............. 3

— Caudoventral setae JV4 absent; dorsal shield with four pairs of solenostomes (gd2, gd4, gd5, gd6); spermatheca with U-shaped cervix; ventrianal shield with a pair of solenostomes; macrosetae on genu and tibia III, genu, tibia and basitarsus IV......................................... N. oleariae

3 (2). Presence of solenostomes on the ventrianal shield (gv3), genu II with seven setae (2-2/0, 2/0-1).................................................. 4

— Absence of solenostomes on the ventrianal shield (gv3); genu II with eight setae (2-2/1, 2/0-1); legs without macrosetae; tuberculous ornaments with large glands cover the dorsal shield....... N. coreen

4(3). Leg IV with three macrosetae, on genu, tibia and basitarsus................................... 5

— Leg IV with two thick and short macrosetae, on genu and basitarsus, tibia IV without macroseta; all dorsal and sub-lateral setae inserted to tubercles; spermatheca with shallowly cup-shaped......................................... N. elaeocarpi

5(4). Dorsal shield with four pairs of solenostomes: gd2, gd4, gd6, gd9 (gd1, gd5, and gd8 absent); fixed digit without pilus dentilis ........................ 6

— Dorsal shield with more than four pairs of solenostomes: gd2, gd4, gd6 and gd9 always present; gd1, gd5 and gd8 present or absent...... 7

6(5). Most dorsal setae inserted on tubercles; spermatheca with U-shaped cervix; fixed digit with nine teeth; leg III with one macroseta, on genu......................................... N. corrugata

All dorsal setae not inserted on tubercles; spermatheca with shallowly cup-shaped cervix; fixed digit with twelve teeth; leg III with two macrosetae, on genu and tibia.......................... N. dachanti

7(5). Dorsal shield with six pairs of solenostomes. 8

— Dorsal shield with five pairs of solenostomes.. 9

8(7). gd1 present, gd5 absent, gd2, gd4, gd6, gd8, and gd9 present; Z4 and Z5 very long (120 µm and 230 µm respectively), most of the other dorsal setae very short (5-15 µm long)................ N. cottieri

— gd1 absent, gd5 present, gd2, gd4, gd6,gd8, gd9 present; Z4 and Z5 greatly shorter (about 60 and 90 µm respectively)........................ N. ashleyae

9(7). Leg III without macroseta.................. 10

— Leg III with macrosetae on genu and tibia....................... N. manuka e = N. glenfieldensis

10(9). Dorsal shield heavily reticulated; ventrianal shield with a large pair of solenostomes mediad to JV2..................... N. nesbitti = N. armidalensis

— Dorsal shield lightly reticulated; ventrianal shield with a small pair of solenotomes posterior to JV2........................... N. novaezealandiae

11(1). Absence of macroseta on the leg IV....... 12

— Presence of at least one macroseta on the leg IV................................................. 19

12(11). Seven setae on the genu II............... 13

— Eight setae on the genu II.................... 18

13(12). One pair of solenostomes (gd8) on the dorsal shield................................ N. compta

— More than one pair of solenostomes on the dorsal shield....................................... 14

14(13). Three pairs of solenostomes (gd2, gd6, gd9) on the dorsal shield.................. N. tuberculata

— More than three pairs of solenostomes on the dorsal shield.................................... 15

15(14). Five solenostomes (gd1, gd2, gd6, gd8, gd9) on the dorsal shield...................................................... N. aceri = N. squamiger = N. aceris

— Four solenostomes (gd2, gd5, gd6, gd9) on the dorsal shield.................................... 16

16(15). Peritreme reaching level of j1.... N. runiacus

— Peritreme reaching level between j3 and z2... 17

17(16). Dorsal setae arising from tubercles, three teeth on the fixed digit of the chelicerae. N. sexapori

— Dorsal setae not arising from tubercles, seven teeth on the fixed digit of the chelicerae........................................ N. arutunjani

18(12). Dorsal shield setae long (i.e. Z4 = 73; Z5 = 67; S4 = 75), peritreme reaching level of j1......................................... N. crassipilis

— Dorsal shield setae shorter (i.e. Z4 = 38; Z5 = 44; S4 = 35), peritreme reaching level of z4.......................... .... N. tiliarum = N. formosa

19(11). One macroseta on the leg IV (on the basitarsus)............................................. 20

— Three macrosetae on the leg IV............... 29

20(19). Presence of solenostomes (gv3) on the ventrianal shield.................................... 21

— Absence of solenostomes (gv3) on the ventrianal shield........................................... 23

21(20). One pair of solenostome on the dorsal shield (gd9), peritreme reaching level of j1........ N. celtis

— More than one pair of solenostomes on the dorsal shield, peritreme reaching level of j3......... 22

22(21). Six pairs of solenostomes on the dorsal shield (gd1, gd2, gd4, gd6, gd8, gd9), spermatheca with U-shaped cervix, setae on the dorsal shield longer (i.e. R1 = 41, S5 = 40, s6 = 43, s4 = 38, J2 = 36, j6 = 31)................................ N. montforti

— Seven pairs of solenostomes on the dorsal shield (gd1, gd2, gd4, gd5, gd6, gd8, gd9), spermatheca with cup-shaped cervix, setae on the dorsal shield shorter (i.e. R1 = 25, S5 = 28, s6 = 26, s4 = 23, J2 = 15, j6 = 16).............................. N. neoviniferae

23(20). Six setae on the genu II........... N. carmeli

— More than six setae on the genu II............ 24

24(23). Eight setae on the genu II................ 25

— Seven setae on the genu II.................... 26

25(24). No tooth on the mobile digit of the chelicerae, one tooth on the fixed digit, six pairs of solenostomes on the dorsal shield (gd1, gd2, gd5, gd6, gd8, gd9), some setae shorter (Z4 = 34, Z5 = 52, s6 = 26, S2 = 29)........................ N. perforata

— Two teeth on the mobile digit of the chelicerae, six teeth on the fixed digit, seven pairs of solenostomes on the dorsal shield (gd1, gd2, gd4, gd5, gd6, gd8, gd9), some setae longer (Z4 = 52, Z5 = 74, s6 = 43, S2 = 46).............................. N. steveni

26(24). Four pairs of solenostomes on the dorsal shield (gd2, gd6, gd8, gd9), spermatheca with cupshaped cervix, one tooth on the fixed digit of the chelicerae.............................. N. elongata

— More than four pairs of solenostomes on the dorsal shield, spermatheca with U-shaped cervix, two teeth on the fixed digit of the chelicerae......... 27

27(26). Six pairs of solenostomes on the dorsal shield (gd1, gd2, gd5, gd6, gd8, gd9)..... N. litoralis

— Seven pairs of solenostomes on the dorsal shield (gd1, gd2, gd4, gd5, gd6, gd8, gd9)..... N. splendida

28(19). Absence of solenostomes (gv3) on the ventrianal shield........................... N. cassiniae

— Presence of solenostomes (gv3) on the ventrianal shield........................................... 29

29(28). Presence of at least one macroseta on the leg III.............................................. 30

— Absence of macroseta on the leg III........... 32

30(29). One macroseta on the leg III (on the genu), spermatheca with U-shaped cervix, seven pairs of solenostomes on the dorsal shield (gd1, gd2, gd4, gd5, gd6, gd8, gd9)..................... N. ferraguti

— More than one macroseta on the leg III, spermatheca with cup-shaped cervix, five pairs of solenostomes on the dorsal shield............... 31

31(30). Three macrosetae on the leg III (genu, tibia, basitarsus), eight teeth on the fixed digit of the chelicerae, one tooth on the mobile digit, some setae longer (i.e. z4 = 29, z3 = 32, j3 = 52)...... N. myopori

— Two macrosetae on the leg III (genu, tibia), ten teeth on the fixed digit of the chelicerae, 3 teeth on the mobile digit, some setae shorter (i.e. z4 = 18, z3 = 18, j3 = 36)............................... N. steeli

32(29). Eight setae on the genu II................ 33

— Seven setae on the genu II.................... 34

33(32). Dorsal seta lengths shorter (i.e. Z4 = 31, Z5 = 48, s4 = 23, s6 = 26, S2 = 20, S4 = 17, S5 = 17), six pairs of solenostomes on the dorsal shield (gd1, gd2, gd4, gd5, gd6, gd9), spermatheca with cupshaped cervix............................. N. spaini

— Dorsal seta lengths longer (i.e. Z4 = 88, Z5 = 117, s4 = 67, s6 = 71, S2 = 62, S4 = 63, S5 = 45), seven pairs of solenostomes on the dorsal shield (gd1, gd2, gd4, gd5, gd6, gd8, gd9), spermatheca with U-shaped cervix.................................. N. longiseta

34(32). Three pairs of solenostomes on the dorsal shield........................................... 35

— Seven pairs of solenostomes on the dorsal shield................................................. 36

35(34). Presence of solenostomes gd2, gd8, gd9, spermatheca with cup-shaped cervix, some dorsal setae shorter (i.e. Z1 = 22, Z4 = 31, S2 = 31, S4 = 30, S5 = 23, J2 = 24)................................................. N. vollsela = N. transitans = N. prunus

— Presence of solenostomes gd5, gd8, gd9, spermatheca with U-shaped cervix, some dorsal setae longer (i.e. Z1 = 43, Z4 = 60, S2 = 62, S4 = 55, S5 = 50, J2 = 55)................................ N. elisae

36(34). Two teeth on the mobile digit of the chelicerae, six teeth on the fixed digit, some different dorsal seta lengths (J5 = 32, S4 = 41, S5 = 30)........................................ N. canariensis

— One tooth on the mobile digit of the chelicerae, two teeth on the fixed digit, some different dorsal seta lengths (J5 = 12, S4 = 61, S5 = 47)...... N. arinoi