Hydropsyche siltalai


    Length 10 to 12 mm. The adults are rather plain, largely grey or brown with paler mottling. Full identification of the Hydropsyche species requires analysis of the genitalia. Where the subject of an image has not received genitalia examination, which is necessary to be certain of accuracy in this species, it is highlighted with a red box. For that reason it is only claimed as likely to be this species.


    Similar Species

    Hydropsyche instabilis.

    Identification difficulty

    Streams and Rivers.

    When to see it

    June to September.

    Life History

    They are members of the net-spinning group, so called because the aquatic larvae spin cup-like nets to catch small organisms and debris to eat.

    UK Status

    Common and widespread throughout Britain.

    VC55 Status

    Common in Leicestershire and Rutland.

    Leicestershire & Rutland Map

    MAP KEY:

    Yellow squares = NBN records (all known data)
    Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

    UK Map