Walchia cognata Schluger and Amanguliev, 1975

Stekolnikov, Alexandr A., Saboori, Alireza, Shamsi, Mohsen & Hakimitabar, Masoud, 2019, Chigger mites (Acariformes: Trombiculidae) of Iran, Zootaxa 4549 (1), pp. 1-66 : 16

Walchia cognata Schluger and Amanguliev, 1975

( Fig. 5 )

Walchia cognata Schluger and Amanguliev, 1975: 463 , figs. 1–4.

Walchia (Walchia) cognata: Kudryashova 1998: 316 , fig. 276; Stekolnikov & Daniel 2012: 94 , fig. 66.

Walchia valskayae Kudryashova, 1976b: 1100 , figs. 1–7; Kudryashova et al. 1978: 167, fig. 27.

Diagnosis. SIF = 4B-N-3-2000.0000; fPp = N/N/NNN; fsp = 7.6.6; fCx = 1.1.1; fSt = 2.2; fSc: AL ḵ PL; fD = 2H- 6-8-9(6)-6-4-4-2-2; DS = 40–50; VS = 37–51; NDV = 80–95; Ip = 542–614; cheliceral blade distally with small ventrolateral tooth and one large dorsal hook; eyes 2 + 2; f 1 at level of S 1; f 2 at level or slightly anterior to S 2. Measurements of Walchia valskayae paratypes ( Kudryashova 1998): AW 42–45 , PW 53–59 , SB 36–39, ASB 18– 22, PSB 34–39, SD 53–59, AP 31–36, AL 22–28 , PL 22–28 , H 22–28, D min 17, D max 28, V min 14, V max 22, pa 190– 204, pm 162–174, pp 190–207. Measurements of Walchia valskayae holotype: AW 50 , PW 59 , SB 41, ASB 20, PSB –, SD –, P-PL –, AP 32, AL 29 , PL 25 , H 27, D min 22, D max 25, pa 185, pm 158, pp 196, Ip 539, TaIIIL 50, TaIIIW 16 .

Type material examined. Holotype of Walchia cognata , larva (ZMMU Tdt-2360, K-6 (884)) from Cricetulus migratorius , Turkmenistan, Western Kopetdagh, near Kara-Kala, Ay-Dere gorge (38° 29' N, 56° 26' E), 26 September 1965, coll. A.A. Amanguliev. Holotype of Walchia valskayae , larva (ZMMU Tdt-719, I-314-2946) from Meriones persicus, Ajami, 1780 m a.s.l., 14 August 1970, coll. V.M. Neronov.

Hosts. Apodemus sylvaticus , Cricetulus migratorius , Crocidura russula , Meriones persicus , Mus musculus, Microtus socialis .

Distribution. Turkmenistan, Turkey, Iran (Ajami, Abhar, Mahdishahr, Maku, Urmia).

Figures

FIGURE 5. Walchia cognata, scutum.