Chironomus aprilinus
- Group
- True flies
- Records since 2000
- 100
- Peak month
- May
Macrophya rufipes
- Group
- Bees, wasps and ants
- Records since 2000
- 100
- Peak month
- May
Melanoleuca verrucipes
- Group
- Fungi
- Records since 2000
- 100
- Peak month
- May
Mesoneura opaca
- Group
- Bees, wasps and ants
- Records since 2000
- 100
- Peak month
- May
Monkey orchid
- Group
- Flowering plants
- Records since 2000
- 100
- Scientific name
- Orchis simia
Phalacrocera replicata
- Group
- True flies
- Records since 2000
- 100
- Peak month
- May
A water beetle
- Group
- Beetles
- Records since 2000
- 99
- Scientific name
- Hydrochus angustatus
Athalia bicolor
- Group
- Bees, wasps and ants
- Records since 2000
- 99
- Peak month
- May
Cassida nobilis
- Group
- Beetles
- Records since 2000
- 99
- Peak month
- May
Lichenoconium erodens
- Group
- Fungi
- Records since 2000
- 99
- Peak month
- May
Lonchaea sylvatica
- Group
- True flies
- Records since 2000
- 99
- Peak month
- May
Mesopodopsis slabberi
- Group
- Crustaceans
- Records since 2000
- 99
- Peak month
- May
Populus trichocarpa
- Group
- Flowering plants
- Records since 2000
- 99
- Peak month
- May
Syncesia myrticola
- Group
- Lichens
- Records since 2000
- 99
- Peak month
- May
Xenotypa aterrima
- Group
- Fungi
- Records since 2000
- 99
- Peak month
- May
Agyrium lichen
- Group
- Lichens
- Records since 2000
- 98
- Scientific name
- Agyrium rufum
Amphipod
- Group
- Crustaceans
- Records since 2000
- 98
- Scientific name
- Apherusa ovalipes
Dioctria rufipes
- Group
- True flies
- Records since 2000
- 98
- Peak month
- May
Elachista apicipunctella
- Group
- Butterflies and moths
- Records since 2000
- 98
- Peak month
- May
Epiblema cirsiana
- Group
- Butterflies and moths
- Records since 2000
- 98
- Peak month
- May
Eurydema ornata
- Group
- True bugs
- Records since 2000
- 98
- Peak month
- May
Phoronis ovalis
- Group
- Other invertebrates
- Records since 2000
- 98
- Peak month
- May
Pseudoswammerdamia combinella
- Group
- Butterflies and moths
- Records since 2000
- 98
- Peak month
- May
Shell lichen
- Group
- Fungi
- Records since 2000
- 98
- Scientific name
- Arthopyrenia cerasi
Striarca lactea
- Group
- Molluscs
- Records since 2000
- 98
- Peak month
- May
Zelotes electus
- Group
- Spiders
- Records since 2000
- 98
- Peak month
- May
Ametastegia tenera
- Group
- Bees, wasps and ants
- Records since 2000
- 97
- Peak month
- May
Caenis robusta
- Group
- Mayflies
- Records since 2000
- 97
- Peak month
- May
Chaetarthria simillima
- Group
- Beetles
- Records since 2000
- 97
- Peak month
- May
Coryne muscoides
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 97
- Peak month
- May
Molorchus minor
- Group
- Beetles
- Records since 2000
- 97
- Peak month
- May
Ondina diaphana
- Group
- Molluscs
- Records since 2000
- 97
- Peak month
- May
Salvatoria clavata
- Group
- Worms (annelids)
- Records since 2000
- 97
- Peak month
- May
Verrucaria hydrophila
- Group
- Fungi
- Records since 2000
- 97
- Peak month
- May
Yellow belle
- Group
- Butterflies and moths
- Records since 2000
- 97
- Scientific name
- Aspitates ochrearia
Closterium dianae
- Group
- Seaweeds and algae
- Records since 2000
- 96
- Peak month
- May
Dicallomera fascelina
- Group
- Butterflies and moths
- Records since 2000
- 96
- Peak month
- May
Dicrotendipes modestus
- Group
- True flies
- Records since 2000
- 96
- Peak month
- May
Eunotia tenella
- Group
- Seaweeds and algae
- Records since 2000
- 96
- Peak month
- May
Leistus terminatus
- Group
- Beetles
- Records since 2000
- 96
- Peak month
- May
Oomorphus concolor
- Group
- Beetles
- Records since 2000
- 96
- Peak month
- May
Reteporella beaniana
- Group
- Bryozoans
- Records since 2000
- 96
- Peak month
- May
Yellow Footed Mining Bee
- Group
- Bees, wasps and ants
- Records since 2000
- 96
- Scientific name
- Lasioglossum xanthopus
Aricidea suecica
- Group
- Worms (annelids)
- Records since 2000
- 95
- Peak month
- May
Green Alder Sawfly
- Group
- Bees, wasps and ants
- Records since 2000
- 95
- Scientific name
- Monsoma pulveratum
Mecinus circulatus
- Group
- Beetles
- Records since 2000
- 95
- Peak month
- May
Cheilosia ranunculi
- Group
- True flies
- Records since 2000
- 94
- Peak month
- May
Cidnopus aeruginosus
- Group
- Beetles
- Records since 2000
- 94
- Peak month
- May