London Dowd
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 2,452
Described in 1939
10 species
Gammarus tigrinus
- Group
- Crustaceans
- Peak month
- April
- Records since 2000
- 918
Elm Zigzag Sawfly
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 916
Achnanthes subatomus
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 270
Melita hergensis
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 118
Paradelphomyia dalei
- Group
- True flies
- Peak month
- July
- Records since 2000
- 75
Eunotia muscicola
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 67
Fabriciola baltica
- Group
- Worms (annelids)
- Peak month
- April
- Records since 2000
- 63
Halalaimus longicaudatus
- Group
- Roundworms
- Peak month
- April
- Records since 2000
- 57
Phytobius zumpti
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 54