Metridia boecki - Fiche d'espèce - Copépodes planctoniques marins

Metridia boecki Giesbrecht, 1889 (F, ?M)

Taxonomy

Ordre Calanoida

détails

Famille Metridinidae

détails

Genre Metridia

détails liste des espèces pour ce genre

Abréviations ou symboles

Synonymie

Metridia curticauda : Sars, 1920 c (p.10);
? Metridia sp. Esterly, 1924 (p.96);
no M. boecki : Sars, 1925 (p.199, figs.F); Jespersen, 1934 (p.100); 1939 (p.68)

Références

Liste des auteurs étudiés

Giesbrecht, 1892 (p.340, 346, figs.F); Giesbrecht & Schmeil, 1898 (p.107); Esterly, 1905 (p.178, fig.F); A. Scott, 1909 (p.120, figs.F); Sewell, 1932 (p.247, fig.F); Farran, 1946 (p.215, Rem.); Davis, 1949 (p.49: Rem.); Brodsky, 1950 (1967) (part., p.296, fig. Ind, non figs. Sars); Grice & Hulsemann, 1965 (p.244,
Rem.); 1967 (p.17, 28, Descr.M, figs.M)

Figures

Planche 1 issued from : G.D. Grice & K. Huisemann in Proc. U.S. natn. Mus., 1967, 122 (3583). [p.55, Figs.130-133].
Male (from Indian Ocean): 130, habitus (dorsal); 131, idem (lateral right side); 132, 5th thoracic segment and urosome (lateral right side); 133, P5.

Nota: Head and 1st thoracic segment fused, 4th and 5th fused. Posterior lateral corner of 5th thoracic segment with small protuberance. A1 reaches to end of 2nd abdominal segment. Segment 1 of left P1 with pubescent swelling.

Species Metridia boecki - Planche 2 of morphological figures

Planche 2 Issued from : R.B.S. Sewell in Mem. Indian Mus., 1932, X (continued). [p.248, Fig.87, B].
Female (from Laccadive Sea): B, habitus, lateral right side (arrangement of cutaneous pores).

Species Metridia boecki - Planche 3 of morphological figures

Planche 3 issued from : A. Scott in Siboga-Expedition, 1909, XIX a. [Plate XXXVII, Figs.12-14].
Female (from Indonesia-Malaysia): 12, habitus (dorsal); 13, P2 (hooks on basal segment of endopodite); 14, P5.

Nota: Caudal rami as long as the anal segment. P5 3-segmented attached to a basal part.

Species Metridia boecki - Planche 4 of morphological figures

Planche 4 issued from : C.O. Esterly in Univ. Calif. Publs. Zool., 1905, 2 (4). [p.178, Fig.35, d].
Female (from San Diego Region): d, P5.

Nota: Caudal rami as long as the 5th abdominal segment, and twice as long as broad. A1 reach a little beyond the posterior border of the thorax. P5 4-segmented.

Planche 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, 19 , Atlas von 54 Tafeln. [Taf.33, Fig.8].
Female: 8, A1 (proximal segments).

Species Metridia boecki - Planche 6 of morphological figures

Planche 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, 19 , Atlas von 54 Tafeln. [Taf.33, Figs.31, 37].
Female: 31, urosome (ventral); 37, 5th thoracic segment and genital gegment (lateral).

Species Metridia boecki - Planche 7 of morphological figures

Planche 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, 19 , Atlas von 54 Tafeln. [Taf.33, Fig.19].
Female: 19, P5.

Species Metridia boecki - Planche 8 of morphological figures

Planche 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, 19 , Atlas von 54 Tafeln. [Taf.32, Fig.8].
Female: 8, exopodal segment 1 of P2 (anterior view).

Références complémentaires

Liste des auteurs étudiés

Sewell, 1948 (p.526, 546, 549, 557, 567); C.B. Wilson, 1950 (p.263); Fagetti, 1962 (p.26); De Decker & Mombeck, 1964 (p.13); in CalCOFI regional list (MDO, Nov. 2013; M. Ohman, comm. pers.)

Distribution

NZ: 4

Carte de distribution de Metridia boecki par zones géographiques

Distribution map of Metridia boecki for the Zone Indian Ocean

Localisations

Glossaire géographique

South Africa (E), SW Indian, Laccadive Is., Indonesia-Malaysia, San Diego, Pacif. (Costa Rica: Punta Arenas), off Peru

Citations

N: 9

Dimensions (mm)

Références de auteurs concernant les dimensions

(46) F: 2,65; (67) M: 2,01-1,95; (142) F: 2,5; {F: 2,50-2,65; M: 1,95-2,01}

The mean female size is 2.575 mm (n = 2), and the mean male size is 1.980 mm (n = 2). The size ratio (male : female) is about 0.77.

Remarques

Grice & Hulsemann (1967) attribuent la forme (M) sans certitude à M. boecki.

Voir aussi les remarques en anglais

Dernière mise à jour : 07/12/2020