Weberacantha, Christiansen, 1951

Potapov, Mikhail, Babenko, Anatoly & Fjellberg, Arne, 2006, Taxonomy of the Proisotoma complex. Redefinition of genera and description of new species of Scutisotoma and Weberacantha (Collembola, Isotomidae), Zootaxa 1382 (1), pp. 1-74 : 63

Key to known species of Weberacantha

1 Abd.V with 8 short spines set on low papillae ( Fig. 154 ) .............. W. octa Christiansen

- Abd.V without spines.................................................................................................... 2

2 Macrochaetae on Abd.V clearly thickened ( Fig. 161 ). VT with 6+6 laterodistal and about 10 posterior chaetae ......................................................... W. echinodermata sp.n.

- Macrochaetae on Abd.V not thickened ( Fig. 174 ). VT with less number of chaetae ... 3

3 VT with 3+3 laterodistal chaetae .................................................................................. 4

- VT with 4+4 laterodistal chaetae ............................................. W. magnomucrella sp.n.

4 Ocelli 6+6. Manubrium with 2+2 chaetae on anterior surface. Dens with 1–2 anterior chaetae .......................................................................................... W. beckeri (Stebaeva)

- Ocelli 8+8. Manubrium with 1+1 anterior chaetae. Dens with 5 anterior chaetae ......... ...................................................................................................... W. janetscheki (Yosii)

Figures

FIGURES 151–155. Weberacantha octa. 151, general distribution of macrochaetae, sensilla and microsensilla on body; 152, dens, lateral view; 153, PAO and ocelli; 154, chaetotaxy of Abd.V (s: sensilla, connected); 155, claw on leg 3.

FIGURES 156–168. Weberacantha echinodermata sp.n. 156, furca posterior; 157–158, dens, anterior (157) and lateral (158); 159, PAO and ocelli; 160, VT; 161, chaetotaxy of Abd.V (s: sensilla, connected); 162, microsensillum; 163, sensillum; 164, macrochaetae on Abd.IV; 165–167, Abd.V, spine-like macrochaetae (165), thick microchaeta (166) and sensillum (167); 168, general distribution of macrochaetae, sensilla and microsensilla on body.

FIGURES 169–176. Weberacantha magnomucrella sp.n. 169, furca, posterior; 170–171, dens, anterior (170) and lateral (171); 172, PAO and ocelli; 173, ocelli D and H; 174, chaetotaxy of Abd.V (sensilla connected); 175, claw on leg 3; 176, general distribution of macrochaetae, sensilla and microsensilla on body.