Cuileanna Bealtaine
Caitheann na hinveirteabraigh seo suas le 3 bliana mar larbhaí ar ghrinneall abhann nó locha. Tagann siad aníos ansinlena sciatháin orthu chun lá amháin a chaitheamh agus pórú agus ag breith uibheacha. Bia tábhachtach iad seo ag creachadóirí ach bíonn gnáthóga ardchaighdeáin uathu toisc nach féidir leo truailliú a fhulaingt.
Mayfly
This aquatic invertebrate spends up to three years in larval form on the bottom of rivers and lakes, emerging in winged form for one day, when it breeds and deposits eggs. An important food for predators, mayflies require high quality habitat as they are pollution-intolerant.