Occurrence records 

species:  Cloeon simile Date: 2021-09-21 Wales OSGR: SH71

Data resource: Miscellaneous records held on the Cofnod database Basis of record: Human observation View record

species:  Cloeon simile Date: 2021-09-17 Wales OSGR: SH7575768374

Data resource: KiEco Freshwater Ecology: River Macroinvertebrates Basis of record: Human observation View record

species:  Cloeon simile Date: 2019-04-17 Wales OSGR: SS6781197136

Data resource: KiEco Freshwater Ecology: River Macroinvertebrates Basis of record: Human observation View record

species:  Cloeon simile Date: 2014-05-02 Wales OSGR: SH5816860241

Data resource: KiEco Freshwater Ecology: Lake Macroinvertebrates Basis of record: Human observation View record

species:  Cloeon simile Date: 2014-04-29 Wales OSGR: SH6445459568

Data resource: KiEco Freshwater Ecology: Lake Macroinvertebrates Basis of record: Human observation View record

species:  Cloeon simile Date: 2012-04-04 Wales OSGR: SH7117409744

Data resource: KiEco Freshwater Ecology: Lake Macroinvertebrates Basis of record: Human observation View record

species:  Cloeon simile Date: 2012-03-05 Wales OSGR: SH7822155637

Data resource: KiEco Freshwater Ecology: Lake Macroinvertebrates Basis of record: Human observation View record

species:  Cloeon simile Date: 2012-03-01 Wales OSGR: SH7206765026

Data resource: KiEco Freshwater Ecology: Lake Macroinvertebrates Basis of record: Human observation View record

species:  Cloeon simile Date: 2007-08-06 Wales OSGR: SO40

Data resource: SEWBReC Mayflies and Stoneflies (South East Wales) Basis of record: Human observation View record

species:  Cloeon simile Date: 2007-08-04 Wales OSGR: SO40

Data resource: SEWBReC Mayflies and Stoneflies (South East Wales) Basis of record: Human observation View record

species:  Cloeon simile Date: 2003-08-19 Wales OSGR: ST1881

Data resource: Welsh Invertebrate Database (WID) Basis of record: Human observation View record

species:  Cloeon simile Date: 2000-10-01 Wales OSGR: SO013970

Data resource: Mayfly (Ephemeroptera) records from Britain and Ireland, via iRecord Basis of record: Human observation View record

species:  Cloeon simile Date: 2000-07-29 Wales OSGR: SO0097

Data resource: Welsh Invertebrate Database (WID) Basis of record: Human observation View record

species:  Cloeon simile Date: 2000-06-19 Wales OSGR: SN201488

Data resource: Mayfly (Ephemeroptera) Data for Great Britain for 1906-2017 Basis of record: Human observation Catalogue number: CCW000660000000A:CCW000660000000A-SAMPLE View record

species:  Cloeon simile Date: 2000-06-19 Wales OSGR: SN201488

Data resource: Welsh Invertebrate Database (WID) Basis of record: Human observation View record

species:  Cloeon simile Date: 1997-05-11 Wales OSGR: SH586750

Data resource: Welsh Invertebrate Database (WID) Basis of record: Human observation View record

species:  Cloeon simile Date: 1997-05-11 Wales OSGR: SH586750

Data resource: Mayfly (Ephemeroptera) Data for Great Britain for 1906-2017 Basis of record: Human observation Catalogue number: CCW000660000000C:CCW000660000000C-SAMPLE View record

species:  Cloeon simile Date: 1995-07-08 Wales OSGR: SN90

Data resource: SEWBReC Mayflies and Stoneflies (South East Wales) Basis of record: Human observation View record

species:  Cloeon simile Date: 1995-07-08 Wales OSGR: SN90

Data resource: Mayfly (Ephemeroptera) Data for Great Britain for 1906-2017 Basis of record: Human observation Catalogue number: LC00021500000044:LC00021500000044-SAMPLE View record

species:  Cloeon simile Date: 1994-08-02 Wales OSGR: SN693628

Data resource: Welsh Invertebrate Database (WID) Basis of record: Human observation View record