Stenocorus meridianus
- Group
- Beetles
- Records since 2000
- 1,078
- Peak month
- June
Culicoides circumscriptus
- Group
- True flies
- Records since 2000
- 1,076
- Peak month
- June
Spear Thistle Lacebug
- Group
- True bugs
- Records since 2000
- 1,069
- Scientific name
- Tingis cardui
Cymbiodyta marginella
- Group
- Beetles
- Records since 2000
- 1,066
- Peak month
- June
Beta maritima
- Group
- Flowering plants
- Records since 2000
- 1,064
- Peak month
- June
Orthonevra splendens
- Group
- True flies
- Records since 2000
- 1,063
- Peak month
- June
Royal Fern
- Group
- Ferns and horsetails
- Records since 2000
- 1,063
- Scientific name
- Osmunda regalis
Grey Pug
- Group
- Butterflies and moths
- Records since 2000
- 1,057
- Scientific name
- Eupithecia subfuscata
Sciapus platypterus
- Group
- True flies
- Records since 2000
- 1,055
- Peak month
- June
Tufted bulrush
- Group
- Flowering plants
- Records since 2000
- 1,055
- Scientific name
- Trichophorum caespitosum
Crested Hair-grass
- Group
- Flowering plants
- Records since 2000
- 1,054
- Scientific name
- Koeleria macrantha
Broken-barred Carpet
- Group
- Butterflies and moths
- Records since 2000
- 1,052
- Scientific name
- Electrophaes corylata
Fannia serena
- Group
- True flies
- Records since 2000
- 1,050
- Peak month
- June
Amphicteis gunneri
- Group
- Worms (annelids)
- Records since 2000
- 1,048
- Peak month
- June
Anthocoris nemoralis
- Group
- True bugs
- Records since 2000
- 1,046
- Peak month
- June
Slender-footed Robberfly
- Group
- True flies
- Records since 2000
- 1,041
- Scientific name
- Leptarthrus brevirostris
Willughby's Leaf-cutter Bee
- Group
- Bees, wasps and ants
- Records since 2000
- 1,040
- Scientific name
- Megachile willughbiella
Downy alpine oat grass
- Group
- Flowering plants
- Records since 2000
- 1,039
- Scientific name
- Avenula pubescens
Dicraeus vagans
- Group
- True flies
- Records since 2000
- 1,032
- Peak month
- June
Hydroporus erythrocephalus
- Group
- Beetles
- Records since 2000
- 1,030
- Peak month
- June
Translucent hyala
- Group
- Molluscs
- Records since 2000
- 1,026
- Scientific name
- Hyala vitrea
Degeer's Thickjaw
- Group
- Spiders
- Records since 2000
- 1,024
- Scientific name
- Pachygnatha degeeri
Neolimonia dumetorum
- Group
- True flies
- Records since 2000
- 1,023
- Peak month
- June
Lobe Shell
- Group
- Molluscs
- Records since 2000
- 1,019
- Scientific name
- Philine aperta
Red meadow plant bug
- Group
- True bugs
- Records since 2000
- 1,017
- Scientific name
- Leptopterna ferrugata
Malmgrenia andreapolis
- Group
- Worms (annelids)
- Records since 2000
- 1,016
- Peak month
- June
Small Yellow-legged Robberfly
- Group
- True flies
- Records since 2000
- 1,012
- Scientific name
- Dioctria linearis
Cantharid beetle
- Group
- Beetles
- Records since 2000
- 1,011
- Scientific name
- Cantharis nigra
Limonia macrostigma
- Group
- True flies
- Records since 2000
- 1,011
- Peak month
- June
Agonum emarginatum
- Group
- Beetles
- Records since 2000
- 1,006
- Peak month
- June
Cloudberry
- Group
- Flowering plants
- Records since 2000
- 1,005
- Scientific name
- Rubus chamaemorus
Psychoda albipennis
- Group
- True flies
- Records since 2000
- 1,004
- Peak month
- June
Bicolor sedge
- Group
- Caddisflies
- Records since 2000
- 998
- Scientific name
- Triaenodes bicolor
Cabbage Seedpod Weevil
- Group
- Beetles
- Records since 2000
- 997
- Scientific name
- Ceutorhynchus obstrictus
Furrow Orbweaver
- Group
- Spiders
- Records since 2000
- 994
- Scientific name
- Larinioides cornutus
Clover seed weevil
- Group
- Beetles
- Records since 2000
- 993
- Scientific name
- Tychius picirostris
Tree-mallow
- Group
- Flowering plants
- Records since 2000
- 991
- Scientific name
- Malva arborea
Eyed Hawk-moth
- Group
- Butterflies and moths
- Records since 2000
- 990
- Scientific name
- Smerinthus ocellata
Mesophile Sunshiner
- Group
- Beetles
- Records since 2000
- 985
- Scientific name
- Amara lunicollis
Rove beetle
- Group
- Beetles
- Records since 2000
- 985
- Scientific name
- Stenus juno
Celleporella hyalina
- Group
- Bryozoans
- Records since 2000
- 983
- Peak month
- June
Broscus cephalotes
- Group
- Beetles
- Records since 2000
- 982
- Peak month
- June
Lackey
- Group
- Butterflies and moths
- Records since 2000
- 980
- Scientific name
- Malacosoma neustria
Spiny Lobster
- Group
- Crustaceans
- Records since 2000
- 979
- Scientific name
- Palinurus elephas
Herina frondescentiae
- Group
- True flies
- Records since 2000
- 976
- Peak month
- June
Banded Wedge-shell
- Group
- Molluscs
- Records since 2000
- 973
- Scientific name
- Donax vittatus
OysterThief
- Group
- Seaweeds and algae
- Records since 2000
- 969
- Scientific name
- Colpomenia peregrina
Isomira murina
- Group
- Beetles
- Records since 2000
- 967
- Peak month
- June