noun🔗ShareSteinfliegeAny of the freshwater aquatic insects in the order Plecoptera."The fisherman checked the stream for stonefly nymphs, knowing their presence indicated clean water. "Der Fischer suchte im Bach nach Steinfliegenlarven, da er wusste, dass ihr Vorhandensein sauberes Wasser anzeigte.insectanimalbiologynatureenvironmentChat with AIVocabulary GamePractice Reading