Chironomid (non-biting) midges are responsive to a wide range of environmental parameters such as pollution and eutrophication. As such, the abundance and diversity of these midges can be used as a reliable indicator of climate and environmental change. The species composition and relative abundance of Chironomids can be studied by collecting floating Chironomid pupal exuviae (skins) and this is now a popular method of monitoring the water quality of lakes and rivers.
The Chironomid Exuviae Net is an extremely lightweight net with a telescopic handle, designed to take surface samples of Chironomid pupal exuviae. The net is 250mm wide, conical in shape and terminates in a screw on filter. It is available with a mesh size of either 250μm or 53μm. The net frame is made from 12.5mm aluminium tube and the bag is attached using industrial velcro. The handle is telescopic and extends to a total length of 3m.
The individual components of the net can also be purchased separately.
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