Alder Fly Collection

Prehistoric insect in amber C016 / 6117
Prehistoric insect in amber. Corydasialis inexpectatus specimen preserved in Baltic amber. The specimen is more than 2 centimetres long

Alder fly in Baltic amber
Alder fly, Megaloptera: Sialoidea in Baltic amber. Specimen dates from the Upper Eocene

Corydasialis inexpectatus

Alderfly (Sialis lutaria) adult, resting on stem, Crossness Nature Reserve, Bexley, Kent, England, may

Alderfly (Sialis lutaria) adult, resting on leaf, Crossness Nature Reserve, Bexley, Kent, England, may

Alderfly larva, SEM
Alderfly larva. Coloured scanning electron micrograph (SEM) of the head of an alderfly larva (Sialis lutaria). At right is one of its compound eyes (orange) and at lower centre are its powerful jaws

Gills of an Alderfly larva, SEM
Gills of an alderfly larva. Coloured scanning electron micrograph (SEM) of the gills of an alderfly (Sialis lutaria) larva. The gills are the feather-like structures seen at top and bottom

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