Crambidae : Acentropinae
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Photo © Ben Sale,  Sherrardspark Wood, Hertfordshire (03/08/19) - Female

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Cataclysta lemnata

(Linnaeus, 1758)1354 / 63.116

General comments:
Widespread and common resident.

The distinctive males are easily disturbed from waterside vegetation though females are seldom recorded other than at light. The caterpillar is air-breathing and feeds from within a case made of overlapping duckweed 'leaves' in which an air bubble is trapped.

Recorded in 34 (83%) of 41 10k Squares.
First Recorded in 1885.
Last Recorded in 2024.
Additional Stats

Acentria ephemerella | Parapoynx stratiotata >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
17/05/2024220TQ09 - Watford / Rickmansworth
11/05/2024220TQ09 - Watford / Rickmansworth
10/05/2024120TQ09 - Watford / Rickmansworth
09/05/2024120TQ09 - Watford / Rickmansworth
28/09/2023120TL42 - Bishop's Stortford (N)
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Cataclysta lemnata
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VC20 VC21 VC21 VC20
Click Map for Details
Wingspan: 18-24 mm.
Flight: June and August
Foodplant:   Duckweed.
Nat Status: Common
Verification Grade:  Adult: 1
 Immature Adult   [Show Flight Weeks]
© hertsmiddxmoths.uk 2024 NOLA®; Database using MapMate® Digital Maps © Bartholomew 2010. Design © Jim Wheeler 2024
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