Culicoides impunctatus
- Group
- True flies
- Records since 2000
- 2,552
- Peak month
- July
Phaonia tuguriorum
- Group
- True flies
- Records since 2000
- 2,549
- Peak month
- July
Eared Willow
- Group
- Flowering plants
- Records since 2000
- 2,538
- Scientific name
- Salix aurita
Crack-willow
- Group
- Flowering plants
- Records since 2000
- 2,533
- Scientific name
- Salix fragilis
Broad-leaved Helleborine
- Group
- Flowering plants
- Records since 2000
- 2,529
- Scientific name
- Epipactis helleborine
Codling Moth
- Group
- Butterflies and moths
- Records since 2000
- 2,525
- Scientific name
- Cydia pomonella
Wild Parsnip
- Group
- Flowering plants
- Records since 2000
- 2,489
- Scientific name
- Pastinaca sativa
Pearl Pouncewort
- Group
- Liverworts
- Records since 2000
- 2,485
- Scientific name
- Lejeunea patens
Prickly Lettuce
- Group
- Flowering plants
- Records since 2000
- 2,470
- Scientific name
- Lactuca serriola
Western Rustwort
- Group
- Liverworts
- Records since 2000
- 2,470
- Scientific name
- Marsupella profunda
Bottle Sedge
- Group
- Flowering plants
- Records since 2000
- 2,462
- Scientific name
- Carex rostrata
Rusty Hook-moss
- Group
- Mosses
- Records since 2000
- 2,461
- Scientific name
- Scorpidium revolvens
Burnet-saxifrage
- Group
- Flowering plants
- Records since 2000
- 2,435
- Scientific name
- Pimpinella saxifraga
Hill Cuckoo-Bee
- Group
- Bees, wasps and ants
- Records since 2000
- 2,434
- Scientific name
- Bombus rupestris
Anacaena lutescens
- Group
- Beetles
- Records since 2000
- 2,433
- Peak month
- July
Shaded Broad-bar
- Group
- Butterflies and moths
- Records since 2000
- 2,423
- Scientific name
- Scotopteryx chenopodiata
Pisione remota
- Group
- Worms (annelids)
- Records since 2000
- 2,419
- Peak month
- July
Timothy Grassbug
- Group
- True bugs
- Records since 2000
- 2,406
- Scientific name
- Stenotus binotatus
Bathyporeia guilliamsoniana
- Group
- Crustaceans
- Records since 2000
- 2,395
- Peak month
- July
Dark-winged Black
- Group
- True flies
- Records since 2000
- 2,393
- Scientific name
- Pachygaster atra
Inflated Notchwort
- Group
- Liverworts
- Records since 2000
- 2,387
- Scientific name
- Gymnocolea inflata
Square-stalked St John's-Wort
- Group
- Flowering plants
- Records since 2000
- 2,387
- Scientific name
- Hypericum tetrapterum
Lined Spittlebug
- Group
- True bugs
- Records since 2000
- 2,379
- Scientific name
- Neophilaenus lineatus
Eulithis pyraliata
- Group
- Butterflies and moths
- Records since 2000
- 2,346
- Peak month
- July
Bristleworm
- Group
- Worms (annelids)
- Records since 2000
- 2,323
- Scientific name
- Spio filicornis
Face Fly
- Group
- True flies
- Records since 2000
- 2,314
- Scientific name
- Musca autumnalis
Sea Holly
- Group
- Flowering plants
- Records since 2000
- 2,310
- Scientific name
- Eryngium maritimum
Haliplus ruficollis
- Group
- Beetles
- Records since 2000
- 2,303
- Peak month
- July
Rosy Footman
- Group
- Butterflies and moths
- Records since 2000
- 2,303
- Scientific name
- Miltochrista miniata
Abludomelita obtusata
- Group
- Crustaceans
- Records since 2000
- 2,298
- Peak month
- July
Alpine Thread-moss
- Group
- Mosses
- Records since 2000
- 2,292
- Scientific name
- Imbribryum alpinum
Gnathia oxyuraea
- Group
- Crustaceans
- Records since 2000
- 2,291
- Peak month
- July
Headfly
- Group
- True flies
- Records since 2000
- 2,291
- Scientific name
- Hydrotaea irritans
Black Arches
- Group
- Butterflies and moths
- Records since 2000
- 2,283
- Scientific name
- Lymantria monacha
Five-ranked Bog-moss
- Group
- Mosses
- Records since 2000
- 2,283
- Scientific name
- Sphagnum quinquefarium
Flea Sedge
- Group
- Flowering plants
- Records since 2000
- 2,272
- Scientific name
- Carex pulicaris
Skullcap
- Group
- Flowering plants
- Records since 2000
- 2,269
- Scientific name
- Scutellaria galericulata
Straw Spear-moss
- Group
- Mosses
- Records since 2000
- 2,266
- Scientific name
- Straminergon stramineum
Paucibranchia bellii
- Group
- Worms (annelids)
- Records since 2000
- 2,265
- Peak month
- July
Buff Arches
- Group
- Butterflies and moths
- Records since 2000
- 2,259
- Scientific name
- Habrosyne pyritoides
11-spot Ladybird
- Group
- Beetles
- Records since 2000
- 2,256
- Scientific name
- Coccinella undecimpunctata
Common Green Colonel
- Group
- True flies
- Records since 2000
- 2,246
- Scientific name
- Oplodontha viridula
Small Spotty-eyed Drone Fly
- Group
- True flies
- Records since 2000
- 2,218
- Scientific name
- Eristalinus sepulchralis
Engrailed
- Group
- Butterflies and moths
- Records since 2000
- 2,205
- Scientific name
- Ectropis crepuscularia
Chinese Character
- Group
- Butterflies and moths
- Records since 2000
- 2,203
- Scientific name
- Cilix glaucata
Athripsodes albifrons
- Group
- Caddisflies
- Records since 2000
- 2,196
- Peak month
- July
Drab Brook-moss
- Group
- Mosses
- Records since 2000
- 2,182
- Scientific name
- Hygrohypnum luridum
Common Water-starwort
- Group
- Flowering plants
- Records since 2000
- 2,169
- Scientific name
- Callitriche stagnalis