On the morphology and geographical distribution of some problematic South Palearctic<i>Cyclops</i>(Copepoda: Cyclopidae)

Hołyńska, Maria

doi:10.1080/00222930802140160

Cited by 14 publications

(14 citation statements)

References 10 publications

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“…We can confirm the usefulness of the following microcharacters described by Hołyńska & Dahms () and Hołyńska () for species identification: (i) the presence or absence of long setules on the proximalmost seta of the maxillular (Mxl) palp. (ii) The maxilliped syncoxopodite may be ornamented on the frontal surface with long spinules oriented obliquely to the longitudinal axis of the segment.…”

Section: Discussionsupporting

confidence: 80%

“…Einsle () pointed out their taxonomical importance and later on (Einsle ,b) he included them in the diagnoses of Cyclops species. Other microcharacters used in the taxonomy of Cyclops were described for the antennules, antennae, maxillules and maxillipeds (Einsle ; Dussart & Defaye ; Hołyńska & Dahms ; Hołyńska ). Microcharacters were also extensively used in revisions of the genera Paracyclops and Ochridacyclops (Karaytug ), Mesocyclops (Hołyńska et al .…”

Section: Introductionmentioning

confidence: 99%

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The genus Cyclops (Copepoda, Cyclopoida) in Europe

et al. 2016

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Kraj ı cek, M., Fott, J., Miracle, M.R., Ventura, M., Sommaruga, R., Kirschner, P., Cern y, M. (2015). The genus Cyclops (Copepoda, Cyclopoida) in Europe. -Zoologica Scripta, 45, 671-682. Although copepods of the genus Cyclops are among the most common and dominant plankton taxa of lakes in the northern temperate zone, their taxonomy is still unclear. We analysed an extensive array of Cyclops populations from Europe by means of molecular methods and evaluated morphological characters. Altogether, 68 populations of Cyclops species were sampled, assigned to morphospecies and sequenced for the 12S rRNA gene. Selected populations of each morphospecies were additionally sequenced for three mitochondrial (16S rRNA, cytochrome b, COI) and two nuclear genes (18S rRNA, ITS1) and analysed for micromorphological traits. Our analysis revealed fifteen lineages that can be regarded as separate species. Thirteen of these match currently accepted species, while the remaining two lineages were distinct from the other described species. Thus, their taxonomic status is open to further studies. Besides taxonomy, our study gives new insights into the ecology, distribution and phylogenetic relationships of these species. Finally, a set of morphological traits was selected to facilitate identification.

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Section: Discussionsupporting

confidence: 80%

Section: Introductionmentioning

confidence: 99%

The genus Cyclops (Copepoda, Cyclopoida) in Europe

et al. 2016

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“…The species of the genus Cyclops show spatiotemporal morphological variations, resulting in difficulties in morphological identification and several taxonomic revisions (Einsle 1996b, Hołyńska 2008, Hołyńska and Dimante-Deimantovica 2016, Hołyńska and Wyngaard 2019. This could be a reason for the rare use of this genus in bioassays as antagonists of mosquito larvae.…”

Section: Discussionmentioning

confidence: 99%

Predation on the invasive mosquito Aedes japonicus (Diptera: Culicidae) by native copepod species in Germany

Früh

Kampen

Schaub

et al. 2019

Journal of Vector Ecology

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Some limnic copepod species are predators of mosquito larvae. Seven species belonging to the order Cyclopoida, family Cyclopidae, were collected in the field in Germany and tested for the first time in laboratory bioassays for their potential to serve as biological control agents of the invasive Asian bush mosquito Aedes japonicus (Theobald), a vector of various pathogens causing disease. Females of Diacyclops bicuspidatus (Claus) did not attack 1st instar larvae of Ae. japonicus, but Macrocyclops distinctus (Richard), Cyclops divergens Lindberg, and C. heberti Einsle predated a mean of 14, 18, or 19 1st instar larvae, respectively. Acanthocyclops einslei Mirabdullayev and Defaye killed 30 larvae, and high predation rates with a mean of 39 or 46 larvae, respectively, were obtained by Megacyclops viridis (Jurine) and M. gigas (Claus). In regression analyses, predation rates by M. viridis correlated with body size, with specimens of 1.8 mm length being more effective than smaller or bigger ones. Based on the presented data, the two Megacyclops species seem to be promising candidates for use in field studies on the biological control of Ae. japonicus.

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“…there is a large variation in this trait in C. abyssorum (0.82−1.4) and C. divergens (0.73−1.1) (Hołyńska 2008), yet in all the specimens of C. bohater that we have seen so far, caudal seta vi was longer than the caudal ramus. therefore, we speculate that those Cyclops forms in which this index is less than one (e.g., in thonon in the French alps -see table ii in Dussart 1958) might be not conspecific with C. bohater.…”

Section: European Journal Of Taxonomymentioning

confidence: 94%

“…also, certain morphometric and body shape traits (e.g., body length, relative width of the cephalothorax, pedigers 4 and 5, P4 enp3, and relative length of the caudal rami and caudal setae) show seasonal and/ or environment-dependent variation within species (einsle 1969, 1975elgmork & Halvorsen 1998), or in other cases they fail to separate evolutionary lineages that diverged in ecological, cytogenetic and enzyme electrophoretic characteristics (einsle 1996b). morphology nonetheless is a powerful tool in species delineation when the characters are extended to the surface microstructures of the limbs and somites, as it has been demonstrated in all recently revised cyclopid genera (papers pertaining to Cyclops: einsle 1985; Brandl & Lavická 2002;Hołyńska & Dahms 2004;Hołyńska 2008). the predominantly Palearctic Cyclops (31 putative species) is represented by at least 11 species in Fenno-scandinavia (table 1).…”

Section: R E S E a R C H A R T I C L Ementioning

confidence: 99%

Redescription and taxonomic notes on Cyclops bohater Koźmiński, 1933 and Cyclops lacustris G.O. Sars, 1863 (Arthropoda, Crustacea), with an identification key to the Cyclops species of Fenno-Scandinavia

Hołyńska

Dimante-Deimantovica

2016

EJT

Self Cite

806

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Abstract. the studies of cyclops o.F. müller, 1776 have more than two centuries of tradition in Fennoscandinavia, yet, basic taxonomic questions remain unresolved and the limits of the distributional area are very poorly understood in the majority of the taxa (11+) occurring in the region. Based on the types and other materials we redescribe two species, C. lacustris G.o. sars, 1863 and C. bohater koźmiński, 1933, the latter being reported here for the first time from Fenno-scandinavia; lectotypes of both species have been designated herein. setulation characters of the antennal coxobasis-and maxillulary palp setae and P1 medial spine, as well as the spine formula of the terminal exopodal segments of the swimming legs (3433) in the adult female distinguish C. lacustris and C. bohater from their congeners. an identification key is provided to the Cyclops species of Fenno-scandinavia, including information about both the female and male morphology. although the limited material does not allow us to define the species range limits, our data nevertheless support a northern european distribution in C. lacustris, and northern and central european distribution in C. bohater, while the records from the southern Palearctic need further verification.

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On the morphology and geographical distribution of some problematic South PalearcticCyclops(Copepoda: Cyclopidae)

Cited by 14 publications

References 10 publications

The genus Cyclops (Copepoda, Cyclopoida) in Europe

The genus Cyclops (Copepoda, Cyclopoida) in Europe

Predation on the invasive mosquito Aedes japonicus (Diptera: Culicidae) by native copepod species in Germany

Redescription and taxonomic notes on Cyclops bohater Koźmiński, 1933 and Cyclops lacustris G.O. Sars, 1863 (Arthropoda, Crustacea), with an identification key to the Cyclops species of Fenno-Scandinavia

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