Parasitus fimetorum ( Berlese, 1904 )

Keum, Eunsun, Kaczmarek, Slawomir & Jung, Chuleui, 2016, New records of Parasitidae mites (Acari; Mesostigmata) in Korea, Journal of Species Research 5 (3), pp. 300-308 : 302-304

Parasitus fimetorum ( Berlese, 1904)

Gamasus fimetorum Berlese, 1904a: 238 ; 1906: 135.

Eugamasus fimetorum Holzmann, 1969: 14 .

Parasitus affinis Oudemans and Voigts, 1904 in Voigts and Oudemans, 1904: 652. Syn. nov.

Parasitus hibernicus Turk and Turk, 1952: 475, Syn. nov.

Diagnosis Deutonymph: The idiosoma length is 605­ 808 μm. The dorsal shields are strongly sclerotized, entirely reticulated and of noticeably constant outline. The podonotal shield bears 20 pairs of setae, s 2 being situated off the shield. Setae j 1, j 4, z 5 and r 3 are considerably stouter and longer than the remainder, in this species, extremely fine and slender. The longest setae, r 3 are finely pilose. The opisthonotal shield bears 15 pairs of setae of two J 5 and Z 3. The tectum is tripinate with the centre prong almost invariably broken off or even deformed. The palp femur is shown in Fig. 2 . The two anterolateral setae on the palp genu are spatulate.

Male: The idiosoma length is 804­936 μm and entire with a transverse suture. The dorsal chaetotaxy does not exhibit such extremes of setal length, setae j 5, j 6 and J 1­ J 4 are noticeably finer than the surrounding setae. The podonotal region bears 21 pairs of setae of j 1, j 4, z 5 and r 3 are conspicuously longer and stouter than the remainder. The opisthonota region bears approximately 31 pairs of setae of Z 3 are apparently the stoutest, although Z 2 and several in the S­series are almost as stout. The tectum is trispinate with the outside prongs curved inwards, whilst the centre prong is either plain or forked at its tip( Fig. 2 ).

Female: The idiosoma length is 878­997 μm. The podonotal shield bears 21 pairs of setae of j 1, j 4, z 5 and r 3 are conspicuously longer and stouter than the remainder and are usually finely pilose. The opisthonotal shield bears 26 pairs of setae of Z 3 are usually the stoutest and are finely pilose. The genital shield is strongly pointed anteriorly, but posteriorly it merges into the weakly sclerotized and narrow opisthogastric shield. The most conspicuous element of the endogynium, but there are often considerable distortion and displacement of the individual structures. The tectum is tripinate with the median prong either long and pointed or shorter and regularly bifid ( Fig. 2 ).

Material examined. Total 286 individuals (deutonymph, female and male) collected from galic and cabbage field, common reed and barley habitats. Information of sampling and habitats are detailed in Tables 2 and 3 .

Voucher specimen deposition. Adult female NIBR No. NIBRIV0000325952.

Distribution: England, Wales, Ireland ( Hyatt, 1980), South East Slovakia ( Mašán and Stanoko, 2005), Poland ( Gwiazdowicz and Klemt, 2004; Błoszyk et al., 2005; Gwiazdowicz et al., 2006; Bajerlein et al., 2006), Hungary ( Salmane and Kontschán, 2005), New Zealand ( Macfariane, 2005), China ( Ming, 1986), Israel ( Costa, 1961), Iran ( Kheradmand et al., 2007), Japan ( Tagami, 2007), GB, Ulsan, Korea (this study).

Figures

Fig. 2. Morphological characteristics of four newly found Parasitinae mites in this study.