Mr. Fabrice Parais

DREAL (Regional Directorate of Environment, Planning and Housing) of Basse-Normandie

Caen, France

2013

Specimen: Head and legs of a caddisfly larva: Sericostoma sp., a benthic macroinvertebrate that can be used for freshwater biomonitoring; because it is relatively sensitive to organic pollution and dies if water is dirty, it is a good indicator of water quality.

Technique: Stereomicroscopy, 15x