2004年5月25日 · Stonefly naiads occur in fast moving streams where they are most commonly found clinging to the undersides of rocks. Many stonefly naiads are predators, feeding on other …

2023年11月2日 · The Plecoptera have long antennae and a pair of long appendages at the tip of the abdomen (the cerci). The growing stage (naiad) lives under stones in rapidly running …

Immature stoneflies are aquatic nymphs (naiads). They usually live beneath stones in fast-moving, well-aerated water. Oxygen diffuses through the exoskeleton or into tracheal gills …

2024年1月1日 · Nymph head can be prognathous (Perlidae, Perlodidae, and Chloroperlidae), hypognathous (Nemouridae), or somewhat intermediate between the two (Taeniopterygidae, …

Most species of stoneflies are diurnal as adults and found near water. Immatures live in water, and the nymphs are called naiads. A few species found in the Southern Hemisphere …

2011年11月8日 · "A close-up view of the tip of the abdomen is often the best way to determine genus (and perhaps species). A dorsal view of the terminalia is probably best for males, and a …

2015年3月10日 · Most stonefly naiads are classed as shredders or as detritivores (depending on whether they eat large pieces of vegetation or tiny ones), feeding on algae, diatoms, and plant …

The Biodiversity Heritage Library works collaboratively to make biodiversity literature openly available to the world as part of a global biodiversity community.

Golden stoneflies of the genera Hesperoperla and Calineuria are large, unmistakable insects from the family Perlidae. They are long lived, often staying within the naiad stage for two to three …

5 Figure 27.3 Representative adult and nymphal stoneflies: a, adult of Clioperla clio (Perlodidae); b, naiad of Hesperoperla pacifica (Perlidae). Introduction to Insect Biology and Diversity, 3/e …