Taxonomy of the Proisotoma complex. Redefinition of genera and description of new species of Scutisotoma and Weberacantha (Collembola, Isotomidae) Author Potapov, Mikhail Author Babenko, Anatoly Author Fjellberg, Arne text Zootaxa 2006 2006-12-14 1382 1 1 74 https://biotaxa.org/Zootaxa/article/view/zootaxa.1382.1.1 journal article 10.11646/zootaxa.1382.1.1 1175­5334 5071464 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)