Biography:

One of their most recent publications is Chapter 16 - Diversity and Classification of Insects and Collembola. Which was published in journal .

More information about R. Edward DeWalt research including statistics on their citations can be found on their Copernicus Academic profile page.

R. Edward DeWalt's Articles: (2)

Chapter 16 - Diversity and Classification of Insects and Collembola

Publisher SummaryThis chapter describes classification, anatomy, morphology, physiology, reproduction, life history, phylogeny, evolution, ecology, and taxonomy of orders and families in which one or more life stages are truly aquatic and adapted for survival under or on the water surface. It also briefly mentions another arthropod group, the semiaquatic springtails (class Entognatha, order Collembola). A total of 10 orders of insects contain aquatic species. Five of them (Ephemeroptera, Odonata, Plecoptera, Trichoptera, and Megaloptera) are aquatic orders in which almost all species have aquatic larvae. The remaining five orders (Heteroptera, Coleoptera, Diptera, Lepidoptera, and Neuroptera) are partially aquatic orders in which most species are terrestrial. However, these orders contain species or entire families that have one or more life stages adapted for living in an aquatic environment. Three aquatic orders (Ephemeroptera, Odonata, and Plecoptera) have a hemimetabolous life cycle, which includes three developmental stages: egg, larva, and adult. The other two aquatic orders (Trichoptera and Megaloptera) have a holometabolous life cycle, which includes four developmental stages: egg, larva, pupa, and adult. Four of the five partially aquatic orders (Coleoptera, Diptera, Lepidoptera, and Neuroptera) also have holometabolous life cycles. The fifth order, Heteroptera (Hemiptera), has a paurometabolous life cycle, which includes three developmental stages: egg, larva, and adult.

Chapter 36 - Order Plecoptera

AbstractPlecoptera, or stoneflies, are an ancient insect order. The order name refers to the ability to fold their wings horizontally. Sixteen extant families and nearly 3,500 valid species are currently known. The nymphs of the vast majority of species are aquatic and most feed in two general categories, as shredders of leaves and as predators of other invertebrates. Adults are terrestrial, inhabiting vegetation near the stream or lake from which they emerged. In this chapter we present the morphology of stoneflies and cover aspects of their ecology and behavior. We also discuss sampling, rearing, and preservation of stonefly specimens. The conservation status of stoneflies is also discussed.

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