Cyclopoida

Ternjej, Ivan Č Ica & Stanković, Igor, 2007, Checklist of fresh and brackish water free-living copepods (Crustacea: Calanoida and Cyclopoida) from Croatia, Zootaxa 1585, pp. 45-57 : 46-47

Cyclopoida

Like the calonoids, some species included in our list were not listed for Croatia in “Fauna Europaea” Boxshall (2004). Here we give some explanations as to why.

Cyclops insignis Claus, 1857 was identified by Šoštarić (1888) and Car (1901) in samples taken from temporary freshwater habitats (ponds, ditches). Šoštarić (1888) also collected Megacyclops gigas ( Claus, 1857) in samples taken from temporary freshwater habitats (ponds, ditches) near Zagreb and Varañdin.

Acanthocyclops robustus Sars, 1863 and Diacyclops languidoides ( Lilljeborg, 1901) were reported to inhabit ponds and interstitial waters near Zagreb ( Petkovski 1954 ). Acanthocyclops gordani Petkovski, 1971 and Metacyclops trisetosus Herbst, 1957 were recorded in caves, springs and wells in Dalmatia and in other costal areas of Croatia ( Sket 1986). Halicyclops troglodytes Kiefer, 1954 , Halicyclops rotundipes Kiefer, 1935 were also found in interstitial waters, springs and wells in Dalmatia ( Sket 1986), while Diacyclops antrincola Kiefer, 1967 and Diacyclops bicuspidatus odessanus ( Schmankevitch, 1875) has been recorded in various subterranean habitats along the eastern Adriatic coast ( Sket 1986, 1988, 1994). Our list also included Halicyclops neglectus Kiefer, 1935 reported by Petkovski (1955) , although some authors (e.g. Plesa 1963; Wilson 1958) consider it to be a synonym of Halicyclops rotundipes . Others (e.g. Wooldridge 1977; Monchenko 1979; Dussart & Defaye 1985; Rocha 1995) do not share this opinion.

During an investigation of several hyporheic habitats on Medvednica Mountain in 1983, a new species, Acanthocyclops petkovskii Pesce & Latinger 1983 was described ( Pesce & Latinger 1983). Pesce & Latinger (1983) also found Diacyclops languidus disjunctus ( Thallwitz, 1927) and Diacyclops hypnicola ( Gurney, 1927) in the same samples as the new species.

Through correspondence with Dr. F. Stoch it has been determined that during his investigations in Croatia he has identified several cyclopoids from various locations (see Table 1): Acanthocyclops venustus stameri ( Kiefer, 1930) , Diacyclops charon ( Kiefer, 1931) , Diacyclops slovenicus Petkovski, 1954 , Paracyclps chiltoni ( Thomson, 1882) , Paracyclops imminutus ( Kiefer, 1929) , Speocyclops sp. ( Stoch 1997 pers. com.).

Macrocyclops distinctus ( Richard, 1887) reported from Lake Vrana on the Island of Cres ( Petkovski 1954 ) and it occurrence there has been confirmed by Sket (1988), Bukvić et al. (1997), Bukvić (1998a), Bukvić-Ternjej (2001), Tomec et al. (2002) and Ternjej and Tomec (2005). Microcyclops rubellus (Ljiljeborg, 1901) has also been reported in Lake Vrana (Bukvić 1998a).