This order once encompassed all insects with a complex network of wing veins, regardless of whether their metamorphosis was incomplete or complete. By the early

Inland aquatic habitats occur world-wide at all scales from marshes, swamps and temporary puddles, to ponds, lakes and inland seas; from streams and creeks to r

Thorp and Covich's Freshwater Invertebrates, Fourth Edition: Keys to Neotropical Hexapoda, Volume Three, provides a guide for identifying and evaluating a key s