Lesser cylinder-anemone
- Group
- Jellyfish, corals and anemones
- Peak month
- August
- Records since 2000
- 10,169
Described in 1859
50 species
Box tree moth
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 4,859
Crassicorophium crassicorne
- Group
- Crustaceans
- Peak month
- March
- Records since 2000
- 1,561
Yellow-billed Loon
- Group
- Birds
- Peak month
- April
- Records since 2000
- 826
Rhyacophila fasciata
- Group
- Caddisflies
- Peak month
- May
- Records since 2000
- 722
Ram's Horn Gall Wasp
- Group
- Bees, wasps and ants
- Peak month
- September
- Records since 2000
- 604
Eriopisa elongata
- Group
- Crustaceans
- Peak month
- October
- Records since 2000
- 438
Hydroporus discretus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 390
Andricus grossulariae
- Group
- Bees, wasps and ants
- Peak month
- September
- Records since 2000
- 269
Coryne eximia
- Group
- Jellyfish, corals and anemones
- Peak month
- June
- Records since 2000
- 254
Longitarsus rubiginosus
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 241
Nannastacus unguiculatus
- Group
- Crustaceans
- Peak month
- July
- Records since 2000
- 237
Blaesoxipha plumicornis
- Group
- True flies
- Peak month
- July
- Records since 2000
- 228
Andricus gemmeus
- Group
- Bees, wasps and ants
- Peak month
- September
- Records since 2000
- 196
Belyta depressa
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 184
Gelechia senticetella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 182
Aphelonyx cerricola
- Group
- Bees, wasps and ants
- Peak month
- October
- Records since 2000
- 175
Maera loveni
- Group
- Crustaceans
- Peak month
- January
- Records since 2000
- 171
Medicorophium affine
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 167
Elachista maculicerusella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 166
Niphargus kochianus
- Group
- Crustaceans
- Peak month
- October
- Records since 2000
- 163
Myxilla rosacea
- Group
- Sponges
- Peak month
- August
- Records since 2000
- 161
Niphargus fontanus
- Group
- Crustaceans
- Peak month
- October
- Records since 2000
- 156
Galathea dispersa
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 155
Marpissa radiata
- Group
- Spiders
- Peak month
- June
- Records since 2000
- 131
Dolichopus atritibialis
- Group
- True flies
- Peak month
- June
- Records since 2000
- 130
Diplolepis spinosissimae
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 121
Macrophya alboannulata
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 106
Large thorn
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 104
Trixagus carinifrons
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 100
Berytinus signoreti
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 92
Spirontocaris lilljeborgii
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 90
Belyta validicornis
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 88
Crangonyx subterraneus
- Group
- Crustaceans
- Peak month
- October
- Records since 2000
- 88
Nicippe tumida
- Group
- Crustaceans
- Peak month
- October
- Records since 2000
- 88
Longitarsus succineus
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 85
Dinophysis norvegica
- Group
- Microorganisms and protists
- Peak month
- July
- Records since 2000
- 84
Myopa tessellatipennis
- Group
- True flies
- Peak month
- April
- Records since 2000
- 82
Garveia nutans
- Group
- Jellyfish, corals and anemones
- Peak month
- September
- Records since 2000
- 81
Saldula c-album
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 81
Pale-backed clothes moth
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 80
Periclista pubescens
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 80
Atheta volans
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 70
Trichopria basalis
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 69
Aulonothroscus brevicollis
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 66
Eudendrium arbuscula
- Group
- Jellyfish, corals and anemones
- Peak month
- May
- Records since 2000
- 60
Scotina gracilipes
- Group
- Spiders
- Peak month
- September
- Records since 2000
- 58
Ascidicola rosea
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 56
Ephestia parasitella
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 52
Lithocharis nigriceps
- Group
- Beetles
- Peak month
- March
- Records since 2000
- 51