Larval stoneflies are usually either detritivores that shred and eat large pieces of dead vegetation, or predators on other aquatic macroinvertebrates, although some do feed by scraping algae from the substrate. In contrast, all adult stoneflies that feed are vegetarians.

What do stonefly larvae look like?

Stonefly larvae (also called nymphs or naiads) are aquatic, flattened, with 6 sprawling legs and with a segmented abdomen bearing 2 long antenna-like “tails” (cerci). … Antennae are threadlike and long. Colors are usually dull, dark, and drab brown, yellow, or sometimes green.

Do stoneflies eat zooplankton?

Stoneflies (Order Plecoptera)- Most stonefly are predators; some are shredders. … Dragonflies (Infraorder Anisoptera; order Odonata) – Predators of anything smaller-as young larvae they eat mostly zooplankton, and as they grow larger they will eat mayflies and even small fish.