Locally common in damp habitats.

Juncus articulatus with larva feeding on the seed capsules in September, in a case formed in a similar way to C. taenipennella, but the silk part of the case is larger and mud-brown in colour.

	Determination by Genitalia Examination (gen. det.) Required

	Case: A good quality photo or specimen of the case and plant/pabulum is required.

Recorded in 16 (11%) of 140 10k Squares. First Recorded in 1993. Last Recorded in 2020. (Data up to end 2020) Additional Stats

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