Species Records

Yponomeuta rorrella Willow Ermine

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157 records (3,771+ individuals)
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Date	Site	OS Grid Ref	Stage	Quantity	Comment
12 Jul 2022	Sandbach Flashes	SJ7259	Adult	4	on willow. ex photo on Cheshire Moths Facebook Group, grid reference not provided.
11 Jul 2022	Wellington Close, Ellesmere Port	SJ404763	Adult	1
11 Jul 2022	Vernon Avenue, Wallasey	SJ318907	Adult	1	Confirmed on Cheshire Moth Group on Facebook. Clear contrast between the clear white inner half of the forewing and the obviously grey outer half.
28 Jun 2022	Gowy Meadows CWT	SJ4373	Larval	20	Nest found in Salix
26 Jun 2022	Arclid	SJ7762	Pupal	1+	Pupae in larval webs. Arclid Sand Quarry. SJ778622. Confirmed from photo.
20 Jun 2022	Oakmere Road, Winsford	SJ625667	Larval	3	3 occupied webs, included 2 yellow pupa visible in web
09 Jun 2022	Sandbach fishing ponds	SJ760621	Larval	5	5 webs containing large numbers
14 Aug 2021	Linley Lane, Alsager	SJ819545	Adult	1
13 Aug 2021	Rostherne	SJ7483	Adult	1	determined on iNaturalist, SJ74768384
11 Aug 2021	Linley Lane, Alsager	SJ819545	Adult	1
10 Aug 2021	Linley Lane, Alsager	SJ819545	Adult	2
09 Aug 2021	Linley Lane, Alsager	SJ819545	Adult	1
05 Aug 2021	Linley Lane, Alsager	SJ819545	Adult	1
04 Aug 2021	Linley Lane, Alsager	SJ819545	Adult	1
04 Aug 2021	Hightree Drive, Henbury	SJ880738	Adult	1	Confirmed on Micro Moth ID Facebook site
03 Aug 2021	Linley Lane, Alsager	SJ819545	Adult	2
02 Aug 2021	Weaver Valley, Frodsham	SJ5378	Adult	12	About a dozen, flying during daylight, on willow trees. SJ53257828
01 Aug 2021	Linley Lane, Alsager	SJ819545	Adult	9
31 Jul 2021	Linley Lane, Alsager	SJ819545	Adult	2
30 Jul 2021	Linley Lane, Alsager	SJ819545	Adult	1
29 Jul 2021	Linley Lane, Alsager	SJ819545	Adult	1
28 Jul 2021	Ince Park	SJ4576	Larval	15	(Area D) SJ458767
27 Jul 2021	Linley Lane, Alsager	SJ819545	Adult	3
26 Jul 2021	Linley Lane, Alsager	SJ819545	Adult	2
25 Jul 2021	Burton Mere Wetlands RSPB (East)	SJ3173	Pupal	1	Collected from Salix. Emerged 31.07.2021.
25 Jul 2021	Church Walks Christleton	SJ441657	Adult	1	photo on Cheshire Moths Facebook Group
25 Jul 2021	Linley Lane, Alsager	SJ819545	Adult	2
24 Jul 2021	Linley Lane, Alsager	SJ819545	Adult	5
23 Jul 2021	Linley Lane, Alsager	SJ819545	Adult	1
16 Jul 2021	Woodside Terrace, Northwich	SJ665717	Adult	1	Large number of adults emerging locally from webs - photo available
15 Jul 2021	Leftwich	SJ6672	Adult	1000	Leftwich Meadows, Northwich SJ669723. 1000+ estimated. Photograph available of adults on larval/pupal web (entered also into iRecord)
15 Jul 2021	Leftwich	SJ6672	Adult	500	Dane Valley, SJ669724, Large number of larval webs containing pupae, with adults emerging, Photo on iRecord
14 Jul 2021	Leftwich	SJ6671	Larval	100	Leftwich Wood, SJ666717. Also 20 pupal cases. more than my count
12 Jul 2021	Ince Park	SJ4576	Larval	30	(Area D) SJ458767
08 Jul 2021	Leftwich	SJ6671	Larval	100	Leftwich Wood, SJ666717. more than my count. Confirmed from photo on Cheshire Moth Group on Facebook.
24 Jun 2021	Worleston	SJ6555	Larval	1	Very abundant, Reaseheath college, SJ65025524. They were covering every willow tree. Some trees had all there leaves eaten.
16 Jun 2021	Leftwich Meadows, Northwich	SJ668721	Larval	1	SJ66807212, Quantity 1000's. Willows full of many hundreds of individual larval webs. Adults raised from pupa from site in 2020 confirm ID
08 Aug 2020	Ince Park	SJ4576	Adult	2	Area D SJ459767
08 Aug 2020	Gee Cross	SJ952934	Adult	1
07 Aug 2020	Linley Lane, Alsager	SJ819545	Adult	1
06 Aug 2020	Linley Lane, Alsager	SJ819545	Adult	1
29 Jul 2020	Linley Lane, Alsager	SJ819545	Adult	1
17 Jul 2020	Ince Park	SJ4576	Adult	2	Area D SJ459767
16 Jul 2020	Linley Lane, Alsager	SJ819545	Adult	1
22 Jun 2020	Leftwich Meadows, Northwich	SJ668721	Larval	10	Ten webs. Mostly pupae, a few larvae on willow all within webs. Pupal photo placed on Cheshire Moths Facebook page
20 Jun 2020	Ince Marsh	SJ4676	Larval	200	SJ461766. Mix of larvae and pupal cases in c.10 tents on six White Willows, photo on Cheshire Moths Facebook Group
25 Jul 2019	Linley Lane, Alsager	SJ819545	Adult	2
23 Jul 2018	Linley Lane, Alsager	SJ819545	Adult	3	Yponomeuta rorrella. Occupied larval web or bred only, per NMRS guidelines - observer familiar with species. Large influx also noted in Yorshire during July 2018, (CMR)
22 Jul 2018	Linley Lane, Alsager	SJ819545	Adult	1	Yponomeuta rorrella. Occupied larval web or bred only, per NMRS guidelines - observer familiar with species. Large influx also noted in Yorshire during July 2018, (CMR)
19 Jul 2018	Linley Lane, Alsager	SJ819545	Adult	1	Yponomeuta rorrella. Occupied larval web or bred only, per NMRS guidelines - observer familiar with species. Large influx also noted in Yorshire during July 2018, (CMR)
15 Jul 2018	Linley Lane, Alsager	SJ819545	Adult	1	Yponomeuta rorrella. Occupied larval web or bred only, per NMRS guidelines - observer familiar with species. Large influx also noted in Yorshire during July 2018, (CMR)
12 Jul 2018	Linley Lane, Alsager	SJ819545	Adult	1	Yponomeuta rorrella. Occupied larval web or bred only, per NMRS guidelines - observer familiar with species. Large influx also noted in Yorshire during July 2018, (CMR)
11 Jul 2018	Linley Lane, Alsager	SJ819545	Adult	4	Yponomeuta rorrella. Occupied larval web or bred only, per NMRS guidelines - observer familiar with species. Large influx also noted in Yorshire during July 2018, (CMR)
10 Jul 2018	Linley Lane, Alsager	SJ819545	Adult	1	Yponomeuta rorrella. Occupied larval web or bred only, per NMRS guidelines - observer familiar with species. Large influx also noted in Yorshire during July 2018, (CMR)
06 Jul 2018	Linley Lane, Alsager	SJ819545	Adult	1	Yponomeuta rorrella. Occupied larval web or bred only, per NMRS guidelines. Photo looks OK for rorrella (CMR) observer familiar with species. Large influx also noted in Yorshire during July 2018, (CMR)
24 Jul 2017	Linley Lane, Alsager	SJ819545	Adult	1	Yponomeuta rorrella. Occupied larval web or bred only, per NMRS guidelines - observer familiar with species.
18 Jun 2013	Runcorn	SJ5082	Larval	1+	SJ503824, hundreds of larvae, gregariously feeding in silk tents, roadside willows. Photo on rECOrd Moth Forum posted 29/4/15

Contact: paul.hopkins+cheshiremothcharts@gmail.com
Updated: 19th April 2025