Occurrence record: iBRC39776249.Sc

Human observation of Chalcolestes viridis (Vander Linden, 1825) | Willow Emerald Damselfly recorded on 2024-12-30

API

Overview

Occurrence ID	iBRC39776249.Sc
Record number	iBRC39776249
Basis of record	Human observation Supplied basis "occurrence"
Scientific name	Chalcolestes viridis (Vander Linden, 1825) - Willow Emerald Damselfly
Licence	CC-BY
Record Date	2024-12-30 (Day)
Locality	Meres Lane, Five Ashes
Location	Grid Reference: TQ568241 Latitude: 50.995375 Longitude: 0.233754
Recorded by	Mair, Polly
Verifier	Linington, Simon
Identification verification status	Accepted - correct
Occurrence remarks	Individual Count presumed 'Present'

Dataset

Data partner	British Dragonfly Society Recording Scheme
Data resource	Dragonfly records from the British Dragonfly Society Recording Scheme
Bibliographic citation	Copyright British Dragonfly Society Recording Scheme 2025. Dragonfly records from the British Dragonfly Society Recording Scheme. Occurrence dataset on the NBN Atlas.
Collection code	iRecord \| iRecord Dragonflies

Abundance

Individual count	2–5

Organism

Life stage	oviposition scars

Event

Occurrence date	2024-12-30
Date precision	Day
Event date	2024-12-30
Event remarks	Scars found on willow spp. and alder.
Verbatim event date	StartDate:2024-12-30, EndDate:2024-12-30
Event ID	28327159

Taxonomy

Scientific name	Chalcolestes viridis (Vander Linden, 1825)
Common name	Willow Emerald Damselfly
Taxon rank	species
Name match metric	Taxon GUID match The match was based on the supplied taxon concept ID rather than the scientific name.
Species	Chalcolestes viridis
Genus	Chalcolestes
Family	Lestidae
Order	Odonata
Class	Insecta
Phylum	Arthropoda
Kingdom	Animalia
Taxon ID	NHMSYS0021009068
Taxonomic issue	No issues
Habitat taxon	terrestrial\|freshwater
Establishment means taxon	Native
Scientific name authorship	(Vander Linden, 1825)

Geospatial

Country	United Kingdom
State/Province	England
Locality	Meres Lane, Five Ashes
Habitat	Lake
Latitude (WGS84)	50.995375
Longitude (WGS84)	0.233754
Geodetic datum	EPSG:4326
Coordinate uncertainty in meters	70.7
Verbatim SRS	OSGB
Bbox	50.994939,0.23302,50.995811,0.234487
Grid size in meters	100
Easting	556800
Northing	124100
Grid reference wkt	POLYGON((0.23302 50.99494,0.23302 50.99581,0.23449 50.99581,0.23449 50.99494,0.23302 50.99494))
Grid reference	TQ568241
Verbatim coordinates	TQ568241

User flagged issues

Data quality tests

Test name	Result
Latitude Longitude calculated from grid reference	Warning
Country inferred from coordinates	Warning
Show/Hide 13 passed properties
Basis of record not supplied	Passed
Basis of record badly formed	Passed
Invalid collection date	Passed
Incomplete collection date	Passed
First of the month	Passed
Data are generalised	Passed
Name not supplied	Passed
Name not recognised	Passed
Zero latitude	Passed
Coordinate uncertainty not valid	Passed
Coordinate uncertainty not specified	Passed
Location not supplied	Passed
Missing geodetic datum	Passed
Show/Hide 3 missing properties
Missing name of person who identified the specimen/observation	Missing
Missing catalogue number	Missing
Decimal coordinates not supplied	Missing
Show/Hide 74 tests that have not been run
Coordinates dont match supplied state	Unchecked (lack of data)
Media unrepresentative	Unchecked (lack of data)
Suspected outlier	Unchecked (lack of data)
Institution code not recognised	Unchecked (lack of data)
Invalid scientific name	Unchecked (lack of data)
Georeferenced after occurrence date	Unchecked (lack of data)
Badly formed altitude	Unchecked (lack of data)
Missing georeference date	Unchecked (lack of data)
Missing georeferenced sources	Unchecked (lack of data)
Precision / range mismatch	Unchecked (lack of data)
First of the century	Unchecked (lack of data)
Min and max depth reversed	Unchecked (lack of data)
Supplied country not recognised	Unchecked (lack of data)
First of the year	Unchecked (lack of data)
Coordinate precision and uncertainty transposed	Unchecked (lack of data)
Missing georeferenced verification status	Unchecked (lack of data)
Missing georeferenced protocol	Unchecked (lack of data)
Coordinates derived from verbatim coordinates	Unchecked (lack of data)
Cultivated / escapee	Unchecked (lack of data)
Possible duplicate record	Unchecked (lack of data)
Latitude is negated	Unchecked (lack of data)
Collection code not recognised	Unchecked (lack of data)
Coordinates converted from UTM	Unchecked (lack of data)
Higher taxonomy missing	Unchecked (lack of data)
Image URL invalid	Unchecked (lack of data)
Supplied coordinates centre of state	Unchecked (lack of data)
unrecognisedOccurrenceStatus	Unchecked (lack of data)
Geodetic datum assumed WGS84	Unchecked (lack of data)
Coordinates centre of country	Unchecked (lack of data)
Supplied coordinates are zero	Unchecked (lack of data)
Resource taxonomic scope mismatch	Unchecked (lack of data)
Grid reference calculated using latitude and longitude	Unchecked (lack of data)
Coordinates are transposed	Unchecked (lack of data)
Collector name unparseable	Unchecked (lack of data)
Missing coordinate precision	Unchecked (lack of data)
Depth value non-numeric	Unchecked (lack of data)
Habitat incorrect for species	Unchecked (lack of data)
Zero longitude	Unchecked (lack of data)
Altitude out of range	Unchecked (lack of data)
Homonym issues with supplied name	Unchecked (lack of data)
coordinatesNotCentreOfGrid	Unchecked (lack of data)
Invalid geodetic datum	Unchecked (lack of data)
Kingdom not recognised	Unchecked (lack of data)
Coordinates are out of range for species	Unchecked (lack of data)
Depth out of range	Unchecked (lack of data)
Missing identification verification status	Unchecked (lack of data)
Date precision invalid	Unchecked (lack of data)
Altitude value supplied in feet	Unchecked (lack of data)
Depth value supplied in feet	Unchecked (lack of data)
Name not in national checklists	Unchecked (lack of data)
Media unrepresentative for taxon	Unchecked (lack of data)
Missing identification date	Unchecked (lack of data)
Altitude value non-numeric	Unchecked (lack of data)
Taxonomic issue	Unchecked (lack of data)
No collection date supplied	Unchecked (lack of data)
Missing taxonomic rank	Unchecked (lack of data)
Coordinates converted to WGS84	Unchecked (lack of data)
Unparseable verbatim coordinates	Unchecked (lack of data)
Outside expert range for species	Unchecked (lack of data)
Decimal latitude/longitude conversion failed	Unchecked (lack of data)
Type status not recognised	Unchecked (lack of data)
Min and max altitude reversed	Unchecked (lack of data)
Missing identification references	Unchecked (lack of data)
Coordinates dont match supplied country	Unchecked (lack of data)
Missing name of person who georeferenced the occurrence	Unchecked (lack of data)
Day and month transposed	Unchecked (lack of data)
Identification date before occurrence date	Unchecked (lack of data)
Longitude is negated	Unchecked (lack of data)
Missing an identification qualifier	Unchecked (lack of data)
Unable to convert UTM coordinates	Unchecked (lack of data)
Unrecognized geodetic datum	Unchecked (lack of data)
Unrecognised ID verification status	Unchecked (lack of data)
Coordinate precision not valid	Unchecked (lack of data)
Occurrence status assumed to be present	Unchecked (lack of data)

Additional political boundaries information

England
Areas of Outstanding Natural Beauty (England)	High Weald
Districts, Boroughs and Unitary Authorities (England)	South Cambridgeshire District
National Character Areas (England)	East Anglian Chalk
Non-Metropolitan Counties and Greater London (England)	Cambridgeshire County
GB
Districts, Boroughs and Unitary Authorities (Great Britain)	South Cambridgeshire District
GB countries	England
Ordnance Survey Grids - 100km	TL
Ordnance Survey Grids - 10km	TL44
Ordnance Survey Grids - 50km	TLSW
Watsonian Vice Counties (GB)	Cambridgeshire
Watsonian Vice Counties – 12 mile (GB)	Cambridgeshire
Watsonian Vice Counties – 3 mile (GB)	Cambridgeshire
UK
Countries with sea areas	England
Local Environmental Records Centre Boundaries of the UK	Cambridgeshire and Peterborough Environmental Records Centre
UK, IoM, Channel Islands
Hexagonal grid for reporting - 10km	5588
Square grid for reporting - 10km	29199
World base layer	United Kingdom

Group	Field Name	Original Value	Processed Value
Classification	Species		Chalcolestes viridis
	Name match metric		taxonIdMatch
	Vernacular name	Willow Emerald Damselfly	Willow Emerald Damselfly
	Scientific name	Chalcolestes viridis	Chalcolestes viridis
	Class		Insecta
	Genus id		NHMSYS0021009062
	Taxon concept ID		NHMSYS0021009068
	Kingdom id		NBNSYS0100001342
	Left		71056
	Habitat taxon		terrestrial\|freshwater
	Phylum		Arthropoda
	Kingdom		Animalia
	Class id		NBNSYS0000160231
	Genus		Chalcolestes
	Phylum id		NHMSYS0020470198
	Order		Odonata
	Taxon rank		species
	Establishment means taxon		Native
	Order id		NHMSYS0000841086
	Taxonomic issue		["noIssue"]
	Species id		NHMSYS0021009068
	Family id		NBNSYS0000160302
	Taxon ID	NHMSYS0021009068
	Family		Lestidae
	Taxon rank id		7000
	Scientific name authorship		(Vander Linden, 1825)
	Right		71056
Event	Date precision		Day
	Event date	2024-12-30	2024-12-30
	Year		2024
	Event remarks	Scars found on willow spp. and alder.
	Verbatim event date	StartDate:2024-12-30, EndDate:2024-12-30
	Day		30
	Month		12
	Event ID	28327159
Identification	Abcd identification qualifier		Not provided
	Verifier	Linington, Simon
	Identification qualifier		Not provided
	Identification verification status	Accepted - correct	Accepted - correct
Occurrence	Occurrence ID	iBRC39776249.Sc
	Owner institution code	BDS
	Basis of record	occurrence	HumanObservation
	Recorded by	Mair, Polly	Mair, P. Polly
	Modified	2024-12-31	2024-12-31
	Rights holder	British Dragonfly Society
	Individual count	2–5
	Dataset name	Dragonfly records from the British Dragonfly Society Recording Scheme
	Record number	iBRC39776249
	Dynamic properties	{"vcList":"14", "verbatimTaxonID":"NHMSYS0021009068", "verbatimIndividualCount":"2–5", "verifierName":"Linington, Simon", "verifiedDate":2024-12-31, "MediaCount":2}
	Occurrence remarks	Individual Count presumed 'Present'
	Life stage	oviposition scars
	Occurrence status	present	present
	Collection code	iRecord \| iRecord Dragonflies
Attribution	Data resource		Dragonfly records from the British Dragonfly Society Recording Scheme
	Data provider uid		dp97
	License	CC-BY	CC-BY
	Data Resource ID	dr731
	Data partner		British Dragonfly Society Recording Scheme
Location	Verbatim SRS	OSGB
	Decimal latitude		50.995375
	Bbox		50.994939,0.23302,50.995811,0.234487
	Grid size in meters		100
	Easting		556800
	Coordinate uncertainty in meters	100	70.7
	Northing		124100
	Grid reference wkt	POLYGON((0.23302 50.99494,0.23302 50.99581,0.23449 50.99581,0.23449 50.99494,0.23302 50.99494))	POLYGON((0.23302 50.99494,0.23302 50.99581,0.23449 50.99581,0.23449 50.99494,0.23302 50.99494))
	Country		United Kingdom
	Grid reference	TQ568241	TQ568241
	Habitat	Lake	Lake
	State province		England
	Decimal longitude		0.233754
	Verbatim coordinates	TQ568241
	Locality	Meres Lane, Five Ashes	Meres Lane, Five Ashes
	Geodetic datum		EPSG:4326

Occurrence record: iBRC39776249.Sc

Overview

Dataset

Abundance

Organism

Event

Taxonomy

Geospatial

User flagged issues

Data quality tests

Additional political boundaries information

- flagged by