TRANSITIONAL FORMS BETWEEN PYRRHOSOMA N. NYMPHULA (SULZER, 1776), AND P. N. ELISA BETHAE SCHMIDT, 1948 FROM STYRIA, AUSTRIA (ZYGOPTERA: COENAGRIONIDAE) – The transitional forms between the 2 taxa are described and illustrated on the basis of 116 <5 and 359 from the plains of southern Styria, Austria. While the material from these areas is morphologically heterogenous, the specimens from the montane regions of the province all pertain to the nominate form.