Amblyseius duplicesetus Moraes & McMurtry, 1988

Kreiter, Serge, Payet, Rose-My, Mouigni, Hadji, Douin, Martial, Tixier, Marie-Stéphane & Azali, Hamza Abdou, 2021, New records of phytoseiid mites (Acari: Mesostigmata) of Grande Comore Island (Comoros Archipelago), Acarologia 61 (2), pp. 241-273 : 248-251

Amblyseius duplicesetus Moraes & McMurtry

Amblyseius duplicesetus Moraes & McMurtry 1988: 13 , Moraes et al. 2004a: 143, 2004b: 22, Zannou et al. 2007: 10 , El­Banhawy & Knapp 2011: 25 .

Amblyseius duplicisetus [sic], Chant & McMurtry 2004a: 208, 2007: 78.

This species belongs to the largoensis species group as setae J2 and Z1 are present, setae s4

are minute and the ventrianal shield of the female is vase­shaped. It belongs to the largoensis species subgroup as setae Z4 are long, spermatheca has the calyx elongate and the female ventrianal shield is entire ( Chant and McMurtry 2004, 2007).

It was described from Kenya ( Moraes and McMurtry 1988 ; Zannou et al. 2007 ; El­Banhawy and Knapp 2011) and more recently reported from Sri Lanka ( Moraes et al. 2004a), its biology is totally unknown. This is the third mention of that species in Indian Ocean Islands after

Anjouan and Mohéli Islands ( Kreiter et al. 2021a, b).

World distribution: Ajouan Island, Kenya, Mohéli Island, Sri Lanka.

Specimens examined: 40 specimens (23 ♀♀, 7 ♂♂ and 10 imm.) collected during this study. Mdé, INRAPE (51 m aasl, lat. 11°44 ′ 12 ″ S, long. 43°14 ′ 59 ″ E), 3 ♀♀ and 1 imm. on

Acacia mangium Willdenow (Mimosaceae) , 1 imm. on Annona muricata L. ( Annonaceae ), 1

♀ on Artocarpus heterophyllus Lamarck (Moraceae) , 1 ♀ on Clerodendrum speciosissimum

Van Geert ex. Morren ( Verbenaceae ), 2 ♀♀ and 1 imm. on Theobroma cacao L. ( Malvaceae )

and 1 ♂ and 2 ♀♀ on Mangifera indica L. ( Anacardiaceae ), 6/XII/2018 ; Mvouni, University of Comoros (434 m aasl, lat. 11°43 ′ 11 ″ S, long. 43°16 ′ 31 ″ E), 1 ♂, 3 ♀♀ and 1 imm. on

Myristica fragans Houttuyn (Myristicaceae) , 1 ♂, 1 ♀ and 1 imm. on Citrus sinensis (L.) Osbeck

( Rutaceae ), 6/XII/2018 ; Dzahani, village (209 m aasl, lat. 11°46 ′ 32 ″ S, long. 43°16 ′ 40 ″ E), 1

♂ on Carica papaya L. ( Caricaceae ), 1 ♂ on Artocarpus altilis Parkinson Fosberg (Moraceae)

and 2 ♀♀ on Cananga odorata (Lamarck) Hooker and Thomson (Annonaceae) , 7/XII/2018 ;

Djoumoichongo (230 m aasl, lat. 11°48 ′ 34 ″ S, long. 43°17 ′ 37 ″ E), 1 ♀ on C. sinensis , 1 ♀ and

1 imm. on A. altilis and 2 imm. on Clidemia hirta (L.) Don ( Melastomataceae ), 10/XII/2018 ;

Mdjoiyezi (230 m aasl, lat. 11°50 ′ 19 ″ S, long. 43°18 ′ 29 ″ E), 1 ♀ on Vitex doniana Sweet

(Lamiaceae) and 1 ♂, 4 ♀♀ and 1 imm. on M. indica , 10/XII/2018 ; Mdé, INRAPE (51 m aasl,

lat. 11°44 ′ 12 ″ S, long. 43°14 ′ 59 ″ E), 1 ♀ and 1 imm. on an unknown host plant, 1 ♂ and 1

imm. on Spondias dulcis Solander ex. Parkinson ( Anacardiaceae ), 1 imm. on Bombacopsis glabra Pasquale (Bombacaceae) and 1 imm. on Psidium gujava L. ( Myrtaceae ), 11/XII/2018.

Characters Grande Comore (3) Madagascar Characters Grande Comore (3) Madagascar (this study) (2?) (this study) (2?)

Dsl 254 (250 – 263) 270 st1-st1 45 (45 – 46) –

Dsw 156 (148 – 170) 190 st2-st2 52 (52 – 53) –

j1 17 (15 – 19) 15 st3-st3 54 (54 – 55) –

j3 25 25 st1-st5 100 (99 – 100) –

j4 9 (8 – 9) 9 st4-st4 39 (38 – 40) –

j5 9 (8 – 9) 8 st5-st5 33 (31 – 35) –

j6 10 (10 – 11) 9 Vsl 107 (103 – 113) 95

J2 12 (11 – 13) 10 Vsw ZV2 139 (135 – 145) –

J5 7 (7 – 8) 7 Vsw anus 63 (60 – 65) –

r3 13 (13 – 14) 11 gv3 – gv3 19 (19 – 20) –

R1 10 (9 – 10) 10 JV5 24 (23 – 24) 25

s4 21 (20 – 23) 15 SgeI 24 (23 – 25)

S2 8 10 SgeII 22 (21 – 23)

S4 8 9 SgeIII 26 (24 – 28)

S5 8 (7 – 8) 8 StiIII 21 (20 – 23)

z2 10 (10 – 11) 10 SgeIV 37 (35 – 38) 25

z4 11 (11 – 12) 9 StiIV 31 (29 – 33) 23

z5 8 8 StIV 52 (51 – 53) 38

Z1 12 (11 – 13) 10 Fdl 20 (18 – 21) –

Z4 35 (33 – 36) 25 No teeth Fd 7 6

Z5 52 (50 – 53) 45 Mdl 20 (18 – 21) –

No teeth Md 1 1

Shaft 20 19 Branch 1 1

Sources of measurements – Madagascar (but identified as Typhlodromips ivoloinae and synonymized by Ueckermann &

Loots 1988): Blommers (1974); –: not provided.

Remarks: this is the more abundant species found in several sites. All measurement values fit well those already published on this species with only very slight variations ( Moraes and McMurtry 1988 ; Moraes et al. 2004a ; Zannou et al. 2007 ; El­Banhawy and Knapp 2011 ; Kreiter et al. 2021a, b). Measurement values of female specimens of Grande Comore are very similar to values for specimens from Kenya and Sri Lanka, however with some shorter setae in specimens of Anjouan and Mohéli Islands ( Kreiter et al. 2021a, b). The male of that species will be redescribed in a following paper.