Taxonomic groups

Alderflies
2
  • 1 stable

  • 1 data deficient

Amphibians
7
  • 1 increasing

  • 3 stable

  • 1 established non-native

  • 2 data deficient

  • 3 key action species

Annelids other than earthworms
160
  • 10 stable

  • 133 data deficient

Bees, ants and wasps
1052
  • 1 established non-native

  • 521 data deficient

  • 9 key action species

Beetles
2472
  • 39 increasing

  • 300 stable

  • 6 declining

  • 66 extinct

  • 19 casual introductions

  • 9 established non-natives

  • 2004 data deficient

  • 87 key action species

Bony fishes
109
  • 17 stable

  • 84 data deficient

  • 17 key action species

Booklice
23
  • 18 data deficient

Bristletails
1
  • 1 data deficient

Bryozoans
20
  • 18 data deficient

  • 1 key action species

Cartilagenous fishes
12
  • 8 data deficient

  • 4 key action species

Centipedes
16
  • 16 data deficient

Crustaceans
212
  • 5 stable

  • 2 declining

  • 1 casual introduction

  • 5 established non-natives

  • 174 data deficient

  • 2 key action species

Dragonflies and damselflies
34
  • 2 increasing

  • 17 stable

  • 4 declining

  • 1 extinct

  • 2 natural vagrants

  • 8 data deficient

  • 2 key action species

Earwigs
1
  • 1 data deficient

Flatworms
12
  • 1 stable

  • 10 data deficient

Fleas
3
  • 2 data deficient

Grasshoppers and crickets
18
  • 1 increasing

  • 12 stable

  • 5 data deficient

  • 1 key action species

Lacewings
40
  • 39 data deficient

Marine mammals
21
  • 2 stable

  • 3 natural vagrants

  • 16 data deficient

  • 9 key action species

Millipedes
25
  • 25 data deficient

Moths
1703
  • 29 key action species

Reptiles
5
  • 3 stable

  • 1 declining

  • 1 casual introduction

  • 4 key action species

Scorpion flies
3
  • 3 data deficient

Silverfish
1
  • 1 data deficient

Snakeflies
2
  • 2 data deficient

Springtails
18
  • 17 data deficient

Stylops
1
  • 1 data deficient

Terrestrial and semi-aquatic mammals (excluding bats)
38
  • 3 increasing

  • 3 stable

  • 2 extinct

  • 3 casual introductions

  • 11 established non-natives

  • 14 data deficient

  • 5 key action species

Thrips
15
  • 8 data deficient

True bugs
772
  • 10 increasing

  • 64 stable

  • 6 declining

  • 1 casual introduction

  • 1 established non-native

  • 653 data deficient

  • 5 key action species

True flies
2682
  • 5 increasing

  • 67 stable

  • 2327 data deficient

  • 11 key action species