Amblyseius (Amblyseius) neoparaki Ehara, 1972: 153

Khaustov, Vladimir A., Döker, İsmail & Îoharchi, Omid, 2024, Complementary description of Neoseiulus neoparaki (Ehara) (Parasitiformes: Phytoseiidae), a new record for Sakhalin Island, Russia, Acarological Studies 6 (1), pp. 19-23 : 19-22

Amblyseius (Amblyseius) neoparaki Ehara, 1972: 153 .

Diagnosis

Idiosomal setal pattern 10A:9B/ JV –3: ZV (r3 and R1 off shield). Dorsal shield sclerotized, mostly smooth, except lateral reticulations and a few posterior striations; with slight waist at level of Z1; with six pairs of solenostomes (gd1, gd2, gd4, gd6, gd8, and gd9); dorsal setae simple, short to medium in length, except Z5 serrated and more than 2.5 times longer than other setae. Peritremes extending anteriorly to seta j1. All ventral shields smooth; sternal shield with three pairs of setae; ventrianal shield pentagonal with three pairs of preanal setae and a pair of crescentic preanal solenostomes located posteromesad setae JV2; seta JV5 smooth and sharp pointed. Spermatheca with short, cup-shaped calyx and small nodular atrium attached to calyx without neck. Fixed digit of chelicera with eight teeth, evenly distributed along digit, and movable digit with two teeth. First two legs without macroseta. Leg III with two and Leg IV with three macrosetae. Macrosetae sharp pointed except StIV with very small apical knob. Genu II with seven setae.

Re-description: Female (n=5).

Dorsal idiosoma ( Figs 1A , 2A ). Dorsal setal pattern 10A: 9B (r3 and R1 off shield). Dorsal shield mostly smooth, except lateral reticulations and a few posterior striations, with slight waist at level of seta Z1, with six pairs of solenostomes (gd1, gd2, gd4, gd6, gd8 and gd9), and 16 pairs of poroids (sensillae) (id1, id2, id4, id5, id6, idm1, idm2, idm3, idm4, idm5, idm6, idx, is1, idl1, idl3 and idl4). Muscle-marks (sigillae) visible mostly on podosoma, length of dorsal shield 413 (399–422), width (at level of s4) 206 (198–218), width (at level of S2) 222 (211–230). Dorsal setae smooth except Z5, serrated. Measurements of dorsal setae as follows: j1 22 (21–24), j3 32 (31–35), j4 11 (10–13), j5 9 (8–10), j6 17 (16–17), J2 17 (16–19), J5 12 (11–13), z2 17 (16–18), z4 17 (15–18), z5 9 (8–10), Z1 19 (17–20), Z4 36 (35–38), Z5 105 (101–110), s4 35 (34–36), S2 31 (28–32), S4 30 (27–32), S5 28 (26–29), r3 24 (23– 25), and R1 23 (22–24). Peritremes extend anteriorly to setae j1 .

Ventral idiosoma ( Figs 1B , 2B ). Ventral setal pattern 14: JV–3: ZV. Sternal shield smooth; with three pairs of setae (ST1–ST3) and two pair of poroids (iv1, iv2); distance between bases of setae ST1–ST3 73 (72–75), distance between bases of setae ST2 67 (66–68); metasternal setae ST4 and poroids iv3 on metasternal shields. Genital shield smooth, slightly narrower than ventrianal shield, with one pair of setae ST5; width (at level of ST5) 71 (70–72); one pair of para-genital poroids iv5 on soft cuticle. Ventrianal shield pentagonal, smooth; with three pairs of pre-anal setae (JV1, JV2, and ZV2), one pair of para-anal setae PA, unpaired post-anal seta PST, and a pair of crescentic solenostomes (gv3) posteromedian to JV2, distance between solenostomes 20 (18–24). Length of ventrianal shield (distance between anterior to posterior margins along midline) 143 (137–146), width (at level of ZV2) 111 (105–115). Four pairs of caudoventral setae (ZV1, ZV3, JV4, and JV5) and four pairs of poroids (three ivo, and ivp) on soft cuticle surrounding ventrianal shield. Setae JV5 smooth, 45 (43–50) in length.

Chelicera ( Figs 1C , 4A ). Fixed digit 33 (31–37) long, with eight teeth evenly distributed along digit and pilus dentilis; movable digit 35 (34–37) long, with two teeth.

Spermatheca ( Figs 1D , 4B ). Calyx short, cup-shaped, 12 (11–12) long, atrium nodular connected to calyx without neck, major duct narrow, minor duct not visible.

Legs ( Figs 3 A-D, 4C-D). Leg I 330 (321–342), II 278 (272– 283), III 290 (277–305), IV 373 (361–389) in length. Chaetotaxy of legs as follows: Leg I: coxa 0 0/1 0/1 0, trochanter 1 0/1 0/2 1, femur 2 3/1 2/2 2, genu 2 2/1 2/1 2, tibia 2 2/1 2/1 2. Leg II: coxa 0 0/1 0/1 0, trochanter 1 0/1 0/2 1, femur 2 3/1 2/1 1, genu 2 2/0 2/0 1, tibia 1 1/1 2/1 1. Leg III: coxa 0 0/1 0/1 0, trochanter 1 1/1 0/2 0, femur 1 2/1 1/0 1, genu 1 2/1 2/0 1, tibia 1 1/1 2/1 1. Leg IV: coxa 0 0/1 0/0 0, trochanter 1 1/1 0/2 0, femur 1 2/1 1/0 1, genu 1 2/1 2/0 1, tibia 1 1/1 2/0 1. First two legs without macroseta. Leg III with two and Leg IV with three macrosetae. Macrosetae sharp pointed except StIV with very small apical knob. Measurements of macrosetae as follows: SgeIII (ad1) 26 (25–28), StiIII (ad) 27 (25–28), SgeIV (ad1) 43 (41–46), StiIV (ad) 46 (44– 47), and StIV (pd3) 63 (59–67).

Male. Not collected in this study.

Material examined. Five females from Kuril bamboo, Sasa kurilensis (Rupr.) Makino & Shibata ( Poaceae ) in Sakhalin Island, Chekhov Mountain, Yuzhno-Sakhalinsk, Russia, 46° 59' 23" N, 142° 50' 07" E, 842 meters above sea level, 13 August 2021, collected by Khaustov V.A., Döker İ., Joharchi O., and Khaustov A.A.

Figures

Figure 1. Neoseiulus neoparaki (Ehara) (female): A. Dorsal idiosoma, B. Ventral idiosoma, C. Chelicera, D. Spermathecae.

Figure 2. DIC micrographs of Neoseiulus neoparaki (Ehara) (female): A. Dorsal idiosoma, B. Ventral idiosoma.

Figure 3. Neoseiulus neoparaki (Ehara), right legs of female: A. Leg I (coxa and tarsus omitted), B. Leg II (coxa and tarsus omitted), C. Leg III (coxa and tarsus omitted), D. Leg IV (coxa and telotarsus omitted). Macrosetae were drawn in solid black for clarity.

Figure 4. Neoseiulus neoparaki (Ehara) (female): A. Chelicera, B. Spermatheca, C. Leg II, dorsal view (femur-basitarsus) and leg III, dorsal view (genu-basitarsus), D. Leg IV (genu, tibia and basitarsus).