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  70.137 GRASS RIVULET (Perizoma albulata albulata) Denis & Schiffermuller  

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PICTURE: Seen by day on Gibraltar Point N.N.R, East Lincolnshire, May 2011.

             
 

DISTRIBUTION: This species is a widespread, but locally common resident throughout the British Isles.

 

WING SPAN: 20 to 26mm.                                   STATUS: Resident.         

FLIGHT PERIOD: The Grass Rivulet is single brooded, and is on the wing from late May through to July. Adult moths fly in dry weather during the afternoon up until around dusk, they are easily disturbed from the grass and undergrowth at other times.

LARVAL PERIOD: The mature caterpillars of this species are approximately 20mm in length. Eggs are laid in late May and June on the food plants. The larvae can be found during July and August. Caterpillars pupate in August and spend the winter as a chrysalis, before emerging in the following spring.

 

HABITAT: Habitats include down land, limestone hills, sand hills, shingle beaches, grassy embankments, and damp meadows.

 

FOOD PLANT/S: The seeds of Yellow Rattle as they ripen

                                            

SIMILAR SPECIES: The Sandy Carpet has a similar appearance.

           
               
             
               
             
 

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