35.075 Monochroa arundinetella (Stainton, 1858)

Status and Distribution

Rare, with very few recent records. Restricted to south and east England south of a line from the Wash to the Severn. A historic record from Cornwall is considered to require confirmation.

National Status: 

pRDB 1

Bradley & Fletcher no: 

744
Photo courtesy of UK Moths.

Provisional Map

Maps updated with all data received by February 2018.

    Imago

    Monochroa arundinetella Dunwich, Suffolk, 2014 (Photo: Paul Kitchener) 

     

    Set Specimens

    Monochroa arundinetella Wiltshire 2004 coll. J. Langmaid (Photo: S. Palmer)

    Dissection Group

    Foodplant and Larval Feeding Signs

    Carex riparia (greater pond-sedge), see plant distribution map, and to a lesser extent Carex acutiformis (lesser pond-sedge).

    Mines the leaves in a long slender whitish or pale brown gallery both upwards and downwards and will change leaves.

    Foodplant Map

    Habitat

    Reed-swamps, riverbanks, edges of pools and lakes, fens, marshes and ditches.

    Finding the Moth

    Larva: mines can be found in March but become progressively more difficult to locate into April.

    Adult: flies at dusk and during the night, occasionally coming to light.

    Similar Species

    One of the smallest of the Monochroa group with four pale spots along the costal cilia. Dissection is recommended for all but the most pristine of specimens.

    Larval Occurrence

    Larval Occurrence

    Flight Period

    Flight Period

    Flight period given as June and July but there are very few full dates on the Scheme database.

    Earliest: 26th June 2014 (VC25)

    Latest: 9th August 1869 (VC28)