Plecoptera

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Plecoptera

[plə′käp·tə·rə]
(invertebrate zoology)
The stoneflies, an order of primitive insects in which adults differ only slightly from immature stages, except for wings and tracheal gills.
References in periodicals archive ?
ILLUSTRATION FOR FIGURE 5 OMITTED]: increased relative importance of plecopteran shredders; [ILLUSTRATION FOR FIGURE 6 OMITTED]: shifts in ordinate position before and after floods).
genera) of ephemeropterans (mayflies), plecopterans (stoneflies), and trichopterans (caddisflies) in the sample.
The fauna basically consists of omnivores, generally small rapidly growing animals with short life cycles that usually undergo population explosions when melting occurs and are a source of food for predators, mainly plecopterans and planarians.
The diversity of the predators increases in parallel with that of the herbivores; they are mainly plecopterans and planarians, as in the seasonal streams at the high altitudes, but here they are represented by different species with longer life cycles.
The presence of dipterous larvae and filamentous green algae was evident during the dry months, while invertebrates as trichopterans, plecopterans, copepods and ostracods occurred during the rainy months.