Labidocera brunescens - Species Card - Marine Planktonic Copepods

Labidocera brunescens Czerniavski, 1868 (F,M)

Taxonomy

Order Calanoida

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Superfamily Diaptomoidea

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Family Pontellidae

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Genus Labidocera

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Abbreviations or symbols

Synonymy

Pontella brunescens Czerniavski, 1868

References

List of the studied authors

Giesbrecht, 1892 (p.445, 459, 773, figs.F,M); Giesbrecht & Schmeil, 1898 (p.136, Rem. F,M); Pesta, 1920 (p.540); Sars, 1925 (p.354); Rose, 1933 a (p.262, figs.F,M); Vilela, 1965 (p.10, figs.F); Silas & Pillai, 1976 (p.774); Sazhina, 1985 (p.69, figs.N); Avancini & al., 2006 (p.105, Pl. 74, figs.F,M, Rem.);Vives & Shmeleva, 2007 (p.498, figs.F,M, Rem.)

Figures

Plate 1 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.41, Fig.2].
Female: 2, habitus (dorsal).

Species Labidocera brunescens - Plate 2 of morphological figures

Plate 2 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.41, Fig.25];
Female: 25, Th5 and urosome (ventral).

Species Labidocera brunescens - Plate 3 of morphological figures

Plate 3 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.41, Fig.23].
Female: 23, Th5 and urosome (lateral)

Species Labidocera brunescens - Plate 4 of morphological figures

Plate 4 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.23, Fig.29].
Female: 29, P5 (anterior view).

Species Labidocera brunescens - Plate 5 of morphological figures

Plate 5 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.23, Fig.7].
Female: 7, A1 (ventral view).

Species Labidocera brunescens - Plate 6 of morphological figures

Plate 6 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.23, Fig.4].
Male: 4, right A1 (distal part).

Species Labidocera brunescens - Plate 7 of morphological figures

Plate 7 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.41, Fig.24].
Male: 24, Th5 and urosome (dorsal).

Species Labidocera brunescens - Plate 8 of morphological figures

Plate 8 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.23, Figs.42, 43].
Male: 42, left P5 (posterior view).; 43, right P5 (posterior view). Ri = endopod; Re = exopod; B = basipod.

Complementary References

List of the studied authors

Massuti Alzamora, 1942 (p.98, Rem.); Sewell, 1948 (p.423, 472); Demir, 1959 (p.176); Mazza, 1966 (p.72); Dowidar & El-Maghraby, 1970 (p.268); Porumb, 1980 (p.168); Kovalev & Shmeleva, 1982 (p.85); Comaschi Scaramuzza, 1987 (tab.1); Hure & Krsinic, 1998 (p.103); Mauchline, 1998 (tab.46); Zerouali & Melhaoui, 2002 (p.91, Tableau I); Vukanic, 2003 (p.139, tab.1); Kovalev, 2003 (p.47); Zagorodnyaya & al., 2003 (p.52); Daly Yahia & al., 2004 (p.366, fig.4); Mazzocchi & Di Capua, 2010 (p.427); Aubry & al., 2012 (p.125, fig.8 b, interannual variation); Gubanova & al., 2013 (in press, Rem.: p.7, Table 4); Belmonte & al., 2013 (p.222, Table 2, abundance vs stations); Zaafa & al., 2014 (p.67, Table I, occurrence); Pansera & al., 2014 (p.221, Table 2, abundance); Ben Ltaief & al., 2017 (p.1, Table III, Summer relative abundance); El Arraj & al., 2017 (p.272, table 2); Belmonte, 2018 (p.273, Table I: Italian zones)

Distribution

NZ: 2

Distribution map of Labidocera brunescens by geographical zones

Distribution map of Labidocera brunescens for the Zone Mediterranean Sea, Black Sea

Additional Maps & Charts

Species Labidocera brunescens - Distribution map 3

Map 3 Chart of 1996

Localisations

Geographical glossary

off NE Azores, Morocco, Portugal, off W Tangier, Medit. (M'Diq, Alboran Sea, NW Basin, Thau Lagoon, Ligurian Sea, Naples, Lake Faro (Sicily), Strait of Messina, G. of Gabes, Taranto Harbour, Adriatic Sea, Venezzia, Aegean Sea, Lebanon, Alexandria, Marmara Sea, Black Sea (rare), [Australia (New South Wales) (in Dakin & Colefax, 1933, p.206)]

Quotations

N: 29

Dimensions (mm)

References of the authors concerning dimensions

(46) F: 2,05-2; M: 1,7-1,65; (373) F: 2,4; (449) F: 2,05-2; M: 1,7-1,65; {F: 2,00-2,40; M: 1,65-1,70}

Remarks

This species could be an example of exile to the Azores by the profound mediterranean current.
Dakin & Colefax report the presence of this species in the Indian Ocean (reference neither recovered by Sewell nor by Razouls), this observation requires confirmation, like the one from Australia.
Diagnosis for L. brunescens in the 'darwinii' species group after Prusova & Al-Yamani (2014, p.1165) :
Females:
- 1: Urosome of 3 somites.
- 2: Genital somite asymmetrical, caudal rami of approximately equal length.
- 3: Caudal rami symmetrical, or roughly symmetrical, separate from anal somite.
- 4: Exopod of nearly symmetrical P5 with 1 terminal point, genital pore ventral.

Last update : 24/10/2022

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