Gelechiidae : Gelechiinae
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Photo © Craig Shaw,  26/05/2020 - Hollelsey

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Caryocolum marmorea
Beautiful Groundling

(Haworth, 1828)829 / 35.131
=Caryocolum marmoreum

Morley’s Final Catalogue: Very abundant along the coast at Felixstow in July 1902 (Mly), &c; and no less frequent on the Breck, where Farren found it to be rare in 1885 (Ent. 1886, 80), at Brandon, Friswell, Elveden, &c.

Recent Status: Suffolk’s commonest Caryocolum species particularly in the Sandlings.

Life Style: A single brooded species found throughout the summer and comes to light. The larvae feed on Cerastium fontanum or C. semidecandum. Initially mining a lower leaf before boring into the stem and finally in a silken tube on the ground feeding externally on the leaves. They pupate in the larval habitation.

Identification: The moth is a slightly broader winged Caryocolum species with discrete markings of black, brown and white along the wing. However the balance and extent of each colour varies such that predominantly black, brown or pale individuals can be found. From above they show a paler thorax and central area with a zigzag pattern. If identification is uncertain genitalia dissection is required. More Info

Verification Grade Comment: Dark/indistinct form - Grade 4

Retained Specimen / Photograph will be Required.

Recorded in 9 (16%) of 58 10k Squares.
First Recorded in 1902.
Last Recorded in 2021.
Additional Stats

Caryocolum vicinella  |  Caryocolum fraternella >

Determination
Hollesley Suffolk. - Raymond A Watson
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
19/08/2021125TM34 - Hollesley/Rendlesham Forest
15/08/2021225TM34 - Hollesley/Rendlesham Forest
07/08/2021125TM25 - Wickham Market/Otley
31/07/2021125TM25 - Wickham Market/Otley
29/07/2021125TM25 - Wickham Market/Otley
Show Details | 1990 to 2020 | 2000 to 2020 | Graph Key
Express Record Caryocolum marmorea
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Copyright © Jim Wheeler 2021
   

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 9-12mm
Flight: May-August
Foodplant:   Mouse-ear
Nat Status: Nationally Scarce B
Verification Grade:  Adult: 3
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2021. © James Wheeler - Norfolk Moths 2007 - 2021. Data © NOLA™ - Suffolk 2021
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