The monophyly of the Megaloptera has recently been challenged, but is tentatively upheld. Molecular data support that the Mecoptera (inclusive of Nannomecoptera) + Siphonaptera are a monophylum, but ...
Clearly the highest impacts for species-species interactions are imposed by chironomids on both algae (0.80) and detritus (0.50), Trichoptera on chironomids (0.43), Megaloptera on Trichoptera (0. ...