Eharius denizliensis Döker & Kazak, Doker & Kazak, 2017

Döker, İsmail, Kazak, Cengiz & Karut, Kamil, 2017, Three new species of the family Phytoseiidae (Acari: Mesostigmata) from Turkey, Zootaxa 4243 (3), pp. 565-576: 566-568

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Eharius denizliensis Döker & Kazak

sp. nov.

Eharius denizliensis Döker & Kazak   sp. nov.

( Figures 1–5 View FIGURES 1 – 5 )

Diagnosis. This new species belongs to the kuznetzovi   species group defined by Chant & McMurtry (2003) because setae JV4 are present. Dorsal shield mostly reticulated; bearing four pairs of solenostomes (gd2, gd6, gd8 and gd9). Dorsal setae smooth and whip-like. Peritreme short, extending to setae level of r3. Genu II with eight setae; one pair of solenostomes posteromedian to JV2; sternal shield with three pairs of setae; fixed digit of chelicera with two teeth and movable digit without teeth.

Female (n=3). Dorsum ( Figure 1 View FIGURES 1 – 5 ). Dorsal setal pattern 10A:8C (r3 and R1 off shield). Dorsal shield oval with a waist at level of Z1, sclerotised and mostly reticulated, bearing four pairs of solenostomes (gd2, gd6, gd8 and gd9), gd6 crescentic, others are rounded. Muscle-marks (sigilla) visible on podosoma; length of dorsal shield (j1– J5) 291 (288–293), width (distance between bases of s4) 114 (113–115), width (distance between bases of S2) 121 (118–123). All dorsal setae smooth and whip-like. Measurements of dorsal setae: j1 11 (10–13), j3 23 (20–25), j4, j5, j6 12 (10–13), J2 13 (10–15), J5 5, z2 22 (20–23), z4 26 (25–28), z5 14 (13–15), Z1 23 (20–25), Z4 29 (28–30), Z5 33 (30–35), s4 36 (35–38), S2 33 (30–38), S5 10, r3 29 (28–30) and R1 15 (17–18). Peritreme very short and reaching level of sublateral setae r3.

a from three specimens; b from Amitai & Swirski, 1980, Swirski et al., 1998, Kolodochka, 1995; c from Kolodochka, 1979, Kolodochka, 1995; d from Kolodochka, 1995. PD: Pilus dentilis

Venter ( Figure 2 View FIGURES 1 – 5 ). Ventral setal pattern 13 JV-3: ZV-3. Sternal shield smooth, lightly sclerotised, with three pairs of setae (ST1, ST2 and ST3) and two pairs of pores (pst1 and pst2); length (ST1–ST3) 60 (58–62), width (distance between setae ST2) 44 (43–45); metasternal setae ST4 and a pair of pores (pst3) on metasternal shields. Genital shield smooth; width at level of genital setae (ST5) 34 (33–35). Ventrianal shield elongated with a waist, with transverse striations with three pairs of pre-anal setae (JV1, JV2 and ZV2), a pair of para-anal (Pa) and a postanal setae (Pst); a pair of pores (gv3) posteromedian to JV2 and muscle-marks posterolaterally. Length of ventrianal shield 78 (75–80), width 42 (40–43). Setae ZV1, JV4 and JV5 and three pairs of pores on integument surrounding ventrianal shield. Setae JV5 smooth 13 in length; not markedly longer than other ventral setae such as JV4 and ST1, ST2 and ST3.

Chelicera ( Figure 3 View FIGURES 1 – 5 ). Fixed digit 23 long with two apical teeth and pilus dentilis; movable digit 20 long, without teeth.

Spermatheca ( Figure 4 View FIGURES 1 – 5 ). Calyx cup-shaped 6 (5–8) in length; atrium knobbed; major duct long; minor duct visible.

Legs ( Figure 5 View FIGURES 1 – 5 ). Length of legs (basis of coxae to basis of claws): leg I 227 (225–230); leg II 191 (188–195); leg III 165 (163–168); leg IV 221 (218–225). GeII, GeIII and GeIV with eight, seven and seven setae, respectively; Leg IV with a very short macrosetae; StIV 15 in length.

Male. Unknown.

Type material. Holotype female and two paratype females, Sirinköy , Denizli Province, 16 September, 2016, on unidentified plant in the family Lamiaceae   (37°45'06"N, 29°00'58"E, 713 metres above sea level). GoogleMaps  

Etymology. The name of the new species denizliensis   is derived from Denizli Province where it was found.

Depository. The holotype female and two paratype females are deposited in the mite collection of the Acarology Laboratory , Department of Plant Protection, Çukurova University, Adana, Turkey   .

Remarks. By having JV4 setae, this new species is similar to E. hermonensis Amitai & Swirski, 1980   , E. kuznetzovi ( Kolodochka, 1979)   and E. marzhaniani ( Aruntunjan, 1969)   . Differences between E. denizliensis   and the related species are given in Table 1 View TABLE 1 . In their revision for the tribe Kampimodromini Kolodochka, Chant & McMurtry (2003) mentioned that the species of the genus Eharius   have no macrosetae on leg IV. However, our observation on the new species indicates the presence such setae on basitarsus IV. As suggested by Papadoulis et al. (2009), we consider these setae as macrosetae because they are noticeably different from the other setae present on the same segment.

TABLE 1. Differences in diagnostic characters between Eharius denizliensis Döker & Kazak sp. nov. and related species.

  denizliensis   a hermonensis   b kuznetzovi   c marzhaniani   d
Presence of gd8 present absent absent absent
Level of peritreme r3 s4–Z1 z2–z4 very short, probably z4– s4?
Morphology of gd6 crescentic rounded rounded rounded
Morphology of PD normal large, robust normal normal
Morphology of setae Z5 sharp-pointed sharp-pointed sharp-pointed knobbed-tip
Presence of StIF present (very short) absent absent absent
j3 23 (20–25) 25 (23–28) 15 31
z2 22 (20–23) 20 (18–22) 28 35
z4 26 (25–28) 23 (20–28) 33 38
z5 14 (13–15) 9 (8–12) 28 14
S2 33 (30–38) 17 (15–22) 29 29
Z5 33 (30–35) 38 (33–45) 22 45
Z5 / S2 1 2.23 0.75 1.55