Harpinia antennaria
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 4,695
Described in 1890
25 species
Metaphoxus fultoni
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 1,868
Scarce Emerald Damselfly
- Group
- Dragonflies and damselflies
- Peak month
- July
- Records since 2000
- 1,585
Red ripple bryozoan
- Group
- Bryozoans
- Peak month
- December
- Records since 2000
- 1,569
Streblospio shrubsolii
- Group
- Worms (annelids)
- Peak month
- March
- Records since 2000
- 1,070
Tenuiphantes zimmermanni
- Group
- Spiders
- Peak month
- August
- Records since 2000
- 991
Eurydice spinigera
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 660
Eriophyes similis
- Group
- Mites, harvestmen and other arachnids
- Peak month
- June
- Records since 2000
- 610
Argyresthia cupressella
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 321
Eurydice inermis
- Group
- Crustaceans
- Peak month
- April
- Records since 2000
- 320
Eriophyes sorbi
- Group
- Mites, harvestmen and other arachnids
- Peak month
- June
- Records since 2000
- 315
Sericoderus brevicornis
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 271
Acalitus brevitarsus
- Group
- Mites, harvestmen and other arachnids
- Peak month
- September
- Records since 2000
- 266
Aceria ilicis
- Group
- Mites, harvestmen and other arachnids
- Peak month
- November
- Records since 2000
- 263
Contarinia tiliarum
- Group
- True flies
- Peak month
- June
- Records since 2000
- 167
Acalitus rudis
- Group
- Mites, harvestmen and other arachnids
- Peak month
- June
- Records since 2000
- 162
Eleutheromenia sierra
- Group
- Molluscs
- Peak month
- February
- Records since 2000
- 122
Lonchoptera scutellata
- Group
- True flies
- Peak month
- June
- Records since 2000
- 122
Earthworm
- Group
- Worms (annelids)
- Peak month
- March
- Records since 2000
- 96
Schizoporella japonica
- Group
- Bryozoans
- Peak month
- June
- Records since 2000
- 90
Aceria nalepai
- Group
- Mites, harvestmen and other arachnids
- Peak month
- July
- Records since 2000
- 83
Aceria populi
- Group
- Mites, harvestmen and other arachnids
- Peak month
- February
- Records since 2000
- 80
Eriophyes crataegi
- Group
- Mites, harvestmen and other arachnids
- Peak month
- May
- Records since 2000
- 66
Dendrobaena hortensis
- Group
- Worms (annelids)
- Peak month
- November
- Records since 2000
- 56
Viscosia viscosa
- Group
- Roundworms
- Peak month
- November
- Records since 2000
- 52