Protzia halberti ( Walter, 1920 )

Pesic, Vladimir M., 2003, Three water mite species of the genus Protzia Piersig (Acari: Hydrachnidia) from the Balkan, with the description of one new species, Zootaxa 216, pp. 1-7 : 2-3

Protzia halberti ( Walter, 1920)

( Figs.1­4 , Table 1 )

Material examined: Bosnia and Herzegovina: RS12 Sipovo, canyon of the Sokocnica river, 10.08.2001, leg. Pesic (1/0/0).

Remarks: Protzia halberti is a well­defined species. A combination of diagnostic characters is: the medial margins of Cx­3 and Cx­4 on the same level, genital flaps present as straight sclerified strips ( Fig. 1 ); P­2 medially with two pennate dorsodistal setae ( Fig. 3 ); total length of palp 370­420 in males, 410­470 in females; caudal Ac long (length>39 µm, ratio length/width 1.3­1.8); chelicera robust (ratio L/H 4.1­4.5, rarely up to 4.9); leg claws with 5­9 (in most cases>6, see Fig. 2 ) medial clawlets ( Gerecke, 1996a). In Table 1 the measurements of the specimen from Bosnia are given.

Distribution: Ireland, Central Europe, Balkan. First record of the species in the Balkan peninsula.

Figures

FIGURES 1 ­ 4. Protzia halberti (Walter, 1920), male: 1 = genital field; 2 = leg claws; 3 = palp; 4 = chelicera. Scale bars = 0.1 mm.