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
140
  • 9 stable

  • 131 data deficient

Bees, ants and wasps
365
  • 11 key action species

Beetles
2511
  • 39 increasing

  • 300 stable

  • 6 declining

  • 71 extinct

  • 22 casual introductions

  • 9 established non-natives

  • 2064 data deficient

  • 86 key action species

Bony fishes
102
  • 17 stable

  • 85 data deficient

  • 16 key action species

Booklice
28
  • 28 data deficient

Bristletails
1
  • 1 data deficient

Bryozoans
18
  • 18 data deficient

  • 1 key action species

Cartilagenous fishes
8
  • 8 data deficient

  • 2 key action species

Centipedes
18
  • 18 data deficient

Cockroaches
4
  • 4 data deficient

Crustaceans
200
  • 5 stable

  • 2 declining

  • 1 casual introduction

  • 5 established non-natives

  • 187 data deficient

  • 2 key action species

Dragonflies and damselflies
36
  • 2 increasing

  • 17 stable

  • 4 declining

  • 1 extinct

  • 2 natural vagrants

  • 10 data deficient

  • 2 key action species

Earthworms
13
  • 1 stable

  • 12 data deficient

Earwigs
2
  • 1 stable

  • 1 data deficient

Flatworms
12
  • 1 stable

  • 11 data deficient

Fleas
4
  • 4 data deficient

Grasshoppers and crickets
18
  • 1 increasing

  • 12 stable

  • 5 data deficient

  • 1 key action species

Lacewings
41
  • 41 data deficient

Larger parasitoid wasps
211
  • 211 data deficient

Marine mammals
16
  • 16 data deficient

  • 8 key action species

Millipedes
25
  • 25 data deficient

Moths
1699
  • 29 key action species

Reptiles
6
  • 3 stable

  • 1 declining

  • 2 casual introductions

  • 4 key action species

Sawflies
307
  • 1 established non-native

  • 306 data deficient

Scorpion flies
3
  • 3 data deficient

Silverfish
2
  • 2 data deficient

Smaller parasitic wasps
147
  • 147 data deficient

Snakeflies
3
  • 3 data deficient

Springtails
28
  • 28 data deficient

Stylops
2
  • 2 data deficient

Terrestrial and semi-aquatic mammals (excluding bats)
42
  • 3 increasing

  • 5 stable

  • 2 extinct

  • 3 casual introductions

  • 3 natural vagrants

  • 11 established non-natives

  • 15 data deficient

  • 6 key action species

Thrips
9
  • 9 data deficient

True bugs
762
  • 10 increasing

  • 64 stable

  • 6 declining

  • 1 casual introduction

  • 1 established non-native

  • 680 data deficient

  • 5 key action species

True flies
2482
  • 5 increasing

  • 67 stable

  • 2410 data deficient

  • 11 key action species