Two new species of the leuctrid genus Rhopalopsole from China are described, R. curvispina Qian & Du, sp. nov. and R. triseriata Qian & Du, sp. nov. The new species are compared to similar species in R. dentata group and R. magnicercia group.
While most global productivity is driven by modern photosynthesis, river ecosystems are supplied by locally fixed and imported carbon that spans a range of ages. Alluvial aquifers of gravel-bedded river floodplains present a conundrum: despite no possibility for photosynthesis in groundwater and extreme paucity of labile organic carbon, they support diverse and abundant large-bodied consumers (...
