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Animal Haptobenthos and Its Associated Fauna
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abdomen adults Aeshna algae animals Anisoptera appear aquatic Baetis beetles behavior burrowing calcium Cenocorixa clearly color Corixa Corixidae detritus developed diapause distribution dragonflies ecology eggs elytra emergence Ephemeroptera Epitheca cynosura evidence fauna feeding female Figure freshwater gastropods genera genus gill growth habitat hatching Hemiptera Hesperocorixa Hexagenia Hungerford Hutchinson individuals insects instar known lacustrine lakes larvae lasion latter least legs less littoral living Lymnaea Macan male mayflies mayfly nymphs Micronecta molluscs molt niche North Notonecta number of species nymphal nymphs observed occur Odonata Opercularia organic oviposition oxygen P. S. Corbet percent peregra peritrichs Physa plants pond population predators presumably prey probably produced prosobranchs pulmonates recorded respiration respiratory rheophil rotifers sediments seems sessile shallow shell Sigara significant snails specimens stagnalis statoblasts streams stridulation strigil structure studied subfamily Subs suggests surface swarming swimming temperature tion usually vegetation wings Zygoptera