Species Account

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Summary Data

Season (Adult / Immature):

National Status: Common

Local Status: Rare and local resident.

Local Record: Grade 4   See here for explanation

Flight time: Jun-Jul.

Forewing: M 5-7mm., F wingless.

Foodplant: Leaf-litter and detritus.

Regional breakdown:

Year first recorded19821860186818832005
Year last recorded20141860201520112005
Number of records12138141
Number of individuals4006041
Unique positions612571
Unique locations412571
Adult records00200
Immature records12031131

For the county, we have a total of 66 records from 38 sites. First recorded in 1860.


0186 Psyche casta 07 male ex larva
© Andy Nunn
0186 Psyche casta 07 pupal exuvia
© Andy Nunn
0186 Psyche casta 06 larva
© Andy Nunn
0186 Psyche casta 05 larva
© Andy Nunn
0186 Psyche casta 04 larva
© Andy Nunn
0186 Psyche casta 03 male
© Dave Shenton
0186 Psyche casta 02 female
© Dave Shenton
0186 Psyche casta 01 case
© Dave Shenton

Species Account

Argus 50, 2005:
VC65. Colsterdale, larval case 9.7.2005 (CHF). NEW VICE-COUNTY RECORD.

2013 (CHF): records are fairly widespread but it is commonest in the east of VC63. Almost all records are of larval cases which are fairly characteristic; pieces of grass stem are attached longitudinally, constricted at the fore end and splayed out at the rear. The cases are 8-12mm long.

See background to species accounts.  Index of Vernacular names - Search - Random Species