Endonura urotuberculata, Pomorski & Skarzyński, 2000

Pomorski, Romuald J. & Skarzyński, Dariusz, 2000, A new species of Endonura Cassagnau, 1979 from Bulgaria with remarks on Endonura centaurea (Cassagnau & Peja, 1979) (Collembola, Neanuridae), Zoosystema 22 (1), pp. 117-120 : 118

Endonura urotuberculata n. sp. ( Fig. 1 A-F)

TYPE MATERIAL. — Holotype, adult male on slide. Paratypes, three adult females on slide (in authors collection).

TYPE LOCALITY. — Neighbourhood of Zvezdets, Strandzha, Bulgaria, under loose bark of tree on the gravel bed of Veleka. river, 10.IX.1996, leg. R. J. Pomorski and D. Skarzyński.

ETYMOLOGY. — The name is derived from characteristic cauliflower-like granules on the last two abdominal terga.

DESCRIPTION

Body length 0.9-1.5 mm. Colour of the body yellowish white. Eyes absent. Mouth parts reduced. Mandibula with three teeth ( Fig. 1C ), maxilla styliform ( Fig. 1D ), labium as in Fig. 1E . Labral chaetotaxy typical for genus: 2, 4. Ant.4 with eight blunt sensillae.

Abd.6 clearly visible from above. Body with slen- der, acuminate setae. Arrangment of dorsal tubercules and chaetotaxy as in Fig. 1A, B, F .

Cephalic chaetotaxy ( Fig. 1B ): Cl: F, G, Af: A, B, C and free setae D, E, Oc: 3 setae, Di: 2 free setae, De: 2 setae, Dl + l: 6 setae, So: 9 setae.

Postcephalic chaetotaxy as in Fig. 1A, F and Table 1.

Ventral tube with 4 + 4 setae. Furca reduced to a small hump with five anterior setae and six to seven small setulae posteriorly. Remaining ventral chaetotaxy as in Table 1. Claws without teeth. Tibiotarsi I, II, III with 19, 19, 18 setae, respectively.

Figures

FIG. 1. —Endonura urotuberculata n. sp.; A, dorsal chaetotaxy; B, chaetotaxy of head; C, mandibula; D, maxilla; E, chaetotaxy of labium; F, chaetotaxy of abdominal terga IV-VI. Scale bars: A, B, F, 0.1mm; µ C-Em,. 10