état de l'art (1) famille (1) écologie (1) distribution (1) Ecology (1) Characters (1) Identification (1) Riddles (1) Mayflies (1) Larvae (1) Aquatic insects (1) Identification (1) Families (1) Ecology (1) Baetidae (1) Africa, North (1) Identification (1) Larvae (1) Family (1)