Endonura taurica (Stach, 1951)

Smolis, Adrian, Skarżyński, Dariusz, Pomorski, Romuald J. & Kaprus’, Ighor J., 2007, Redescription of Endonura taurica (Stach, 1951) and E. quadriseta Cassagnau & Péja, 1979, and description of two new species of the genus Endonura Cassagnau, 1979 (Collembola: Neanuridae: Neanurinae) from the Crimea (Ukraine), Zootaxa 1442, pp. 19-35 : 20-24

publication ID

https://doi.org/ 10.5281/zenodo.176031

DOI

https://doi.org/10.5281/zenodo.6249497

persistent identifier

https://treatment.plazi.org/id/03FDFA4B-FFD0-BC1F-61DE-FA593629ACB7

treatment provided by

Plazi

scientific name

Endonura taurica (Stach, 1951)
status

 

Endonura taurica (Stach, 1951)

Figs 1–14 View FIGURES 1 – 6 View FIGURES 7 – 14 , Tab. 1 View TABLE 1

Biloba taurica: Stach 1951: 34

Neanura taurica: Dunger 1974: 14

Material examined. 3 adult females and juvenile; originally labelled “Krym Rezerwat”, VI–X.1929, leg. W. Bukowski, det. J.Stach ( ISEA). Other material. Female on slide, leaf litter in beech forest, ca. 800 m a.s.l., valley of Avunda River, Partyzans’ke near Gurzuf, Crimea, Ukraine, 10.IX.1997, leg. R. J. Pomorski, D. SkarŻyński, I. Kaprus’. 3 adult females and male on slides, leaf litter on mountain meadow, Nikits’kyi Pereval, ca. 1450 m a.s.l., neighborhood of Jalta, Crimea, Ukraine, 12.IX.1997, leg. R. J. Pomorski, D. SkarŻyński, I. Kaprus’. Adult female and juvenile on slide, soil and litter in mixed forest, Jaltyns'kyi Reserve, neighborhood of Jalta, Crimea, Ukraine, 11.ix.1997, leg. R. J. Pomorski, D. SkarŻyński, I. Kaprus’ ( ZIWU).

Diagnosis. Habitus typical of the genus Endonura . Dorsal tubercles present, well developed. 2+2 eyes present. Buccal cone not elongated, wide. Labral chaetotaxy 4/2, 4. Mandible strong with 4 teeth. Head with 3 chaetae Oc, chaetae A, B, C, D, E (chaeta O absent). Tubercle (L+So) on head with 9 chaetae. Tubercles De on thoracic terga II and III with 3 and 4 chaetae respectively. Tubercles L on abd. III and IV with 4 and 6–7 chaetae respectively. Claw with or without inner tooth. All tibiotarsi with long chaetae B4 and B5.

Redescription. Habitus typical of the genus ( Fig. 1 View FIGURES 1 – 6 ). Body length (without antennae) 0.78–1.38 mm. Colour of the body greyish-blue. 2+2 medium, dark-pigmented eyes.

Types of dorsal ordinary chaetae: macrochaetae Ml and Mc thickened, narrowly sheathed, feebly serrated and not pointed ( Figs 1 View FIGURES 1 – 6 , 13–14 View FIGURES 7 – 14 ); mesochaetae thin and pointed.

Number of other cephalic chaetae: Vi, 6; Ve, 11; labrum, 4/2, 4; labium, 11, 0x; ant. I, 7; ant.II, 11; ant. III, 17+5s; ant. IV, 8S+i +or+12mou.

b) Postcephalic chaetotaxy.

Sterna

abd. I 2 3+ s 2 3 VT: 4

abd. II 2 3+ s 2 3 Ve: 4–6 Ve1 present Head. Buccal cone short and wide ( Fig. 2 View FIGURES 1 – 6 ). Labrum chaetotaxy 4/2, 4 ( Fig. 3 View FIGURES 1 – 6 ), ventral sclerifications as in Fig. 2 View FIGURES 1 – 6 . Chaetotaxy of labium as in Fig. 2 View FIGURES 1 – 6 and Tab. 1 View TABLE 1 . Maxilla slender with two small apical teeth at apex ( Fig. 5 View FIGURES 1 – 6 ). Mandible strong, with 2 basal and 2 apical teeth, the subapical one very small ( Fig. 4 View FIGURES 1 – 6 ). Chaetotaxy of antennae as in Tab. 1 View TABLE 1 . Apical vesicle distinct, trilobed. S-chaetae subequal, long and moderately thickened. Chaetotaxy of head as in Figs 1–2 View FIGURES 1 – 6 , 7–8 View FIGURES 7 – 14 and Tab. 1 View TABLE 1 . Chaeta D free ( Fig. 8 View FIGURES 7 – 14 ) or connected with tubercle Cl ( Figs 1 View FIGURES 1 – 6 , 7 View FIGURES 7 – 14 ).Tubercle Af wide ( Fig1 View FIGURES 1 – 6 , 7–8 View FIGURES 7 – 14 ), chaeta O absent. Tubercle (L+So) with 9 chaetae (chaeta So2 absent).

Thorax, abdomen, legs. Chaetotaxy of th. and abd. as in Figs 1, 6 View FIGURES 1 – 6 , 14 View FIGURES 7 – 14 and Tab. 1 View TABLE 1 . Tubercles Di on th.I present or absent ( Fig. 1 View FIGURES 1 – 6 ). Tubercles L on abd. III and IV with 4 and 6–7 chaetae respectively ( Fig. 6 View FIGURES 1 – 6 ). Cryptopygy absent. Chaetotaxy of legs as in Figs 9–12 View FIGURES 7 – 14 and Tab. 1 View TABLE 1 . Claw with or without small inner tooth ( Figs 9– 12 View FIGURES 7 – 14 ). All tibiotarsi with long chaetae B5 and B4.

Discussion. (see discussion of E. gracilirostris sp. nov.)

Remarks. E. taurica was briefly described from the Crimea (Alushta reserve forest) by Stach (1951) and redescribed by Dunger (1974). Since both mentioned descriptions provided poor information on chaetotaxy we decided to make a modern redescription of this species based on extensive material (including Stach’s specimens).

TABLE 1. Chaetotaxy of Endonura taurica. a) Cephalic chaetotaxy.

Tubercle Number of chaetae Types of chaetae Names of chaetae
Cl 4 Ml Mc F G
Af 11 Ml Mc Mcc me B A,O C,D E
Oc 3 Ml Mc me Ocm Ocp Oca
Di 2 Ml Mcc Di1 Di2
De Dl 2 6 Ml Mcc Ml Mc Mcc me De1 De2 Dl1,Dl5 Dl4 Dl2,Dl3 Dl6
(L+So) 9 Ml Mc me L1,L4,So1 L2 L3,So3–6

Kingdom

Animalia

Phylum

Arthropoda

Class

Entognatha

Order

Collembola

Family

Neanuridae

Genus

Endonura

Loc

Endonura taurica (Stach, 1951)

Smolis, Adrian, Skarżyński, Dariusz, Pomorski, Romuald J. & Kaprus’, Ighor J. 2007
2007
Loc

Neanura taurica:

Dunger 1974: 14
1974
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