Izimay (Assaɣ ussnan: Ephemeroptera) d aburɣes yeṭṭafaren tafesna n Ephemeroptera (seg tegrikt εφημερος - ephemeros = "tudert gezzilen" + πτερος - pteron = afriw), dɣa tettusesmel deg tegrawt n temzifriwin igebren daɣen seg tatlulleɣt yakk d taẓewt n tala igan d ibureɣsen n waman deg tallit ur newwi ara (anda tettwasemma "tamragt"), tettidir yiwen n useggas deg waman iẓidanen. Ma d aburɣes amawaṭ yettidir seg kra n tesdatin alamma d kra n wussan s unect n telmest. Ar ass-a, llant wazal n 2,500 n telmas yettwassnen deg umadal, gar-asent 630 n telmas ttidirent deg temrikt tagafant. Aglam Tiddi n izimay iga ger n 4 ar 50 mm Tilmas Ẓeṛ daɣen == Imniren ==