Yellow Legged Mining Bee
- Group
- Bees, wasps and ants
- Peak month
- April
- Records since 2000
- 2,875
Described in 1799
46 species
Marbled Piercer
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 2,159
Yellow-barred Brindle
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 2,078
Common Emerald
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,994
Small Blood-vein
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,897
Plum Tortrix
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,492
European spoon clam
- Group
- Molluscs
- Peak month
- June
- Records since 2000
- 1,310
Black-blotched Bactra Moth
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 1,230
Arctic Cowrie
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 1,228
Guelder-rose Leaf Beetle
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 980
Contacyphon coarctatus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 910
Dark-barred Tortrix
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 909
Spring Harvestman
- Group
- Mites, harvestmen and other arachnids
- Peak month
- May
- Records since 2000
- 831
Bembidion decorum
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 761
Gold-fringed Mason Bee
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 721
Flax Flea Beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 712
Eupoecilia angustana
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 362
Phtheochroa rugosana
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 320
Arctosa perita
- Group
- Spiders
- Peak month
- June
- Records since 2000
- 310
Psylliodes affinis
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 299
Epeolus cruciger
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 261
Melitta leporina
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 244
Anotylus tetracarinatus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 234
Ground beetle
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 228
Phoxichilidium femoratum
- Group
- Other invertebrates
- Peak month
- August
- Records since 2000
- 221
Cacoecimorpha pronubana
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 216
Philonthus laminatus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 213
Epiblema aquana
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 182
Cochylis dubitana
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 157
Thracia pubescens
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 148
Horse chestnut
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 135
Hook-winged tortrix moth
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 126
Anoscopus flavostriatus
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 118
Loensia variegata
- Group
- Other insects
- Peak month
- September
- Records since 2000
- 110
Archips crataegana
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 108
Scarce Prominent
- Group
- Butterflies and moths
- Peak month
- April
- Records since 2000
- 102
Cydia amplana
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 101
Anthophila nemorana
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 95
Cephalothrix linearis
- Group
- Other invertebrates
- Peak month
- September
- Records since 2000
- 84
Little thorn
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 77
Caecilius fuscopterus
- Group
- Other insects
- Peak month
- September
- Records since 2000
- 67
Lophopilio palpinalis
- Group
- Mites, harvestmen and other arachnids
- Peak month
- June
- Records since 2000
- 67
Andrena vaga
- Group
- Bees, wasps and ants
- Peak month
- April
- Records since 2000
- 60
Endothenia gentianaeana
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 58
Bledius opacus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 56
A Reed beetle
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 51