The Value of Different Tree Species for Invertebrates and Lichens
The table below shows the number of insects and epiphytic
(growing on plants) lichens
which have been recorded in association with common trees and shrubs
in Britain. The figures in brackets include mite species as well as insects.
| Tree or Shrub | Associated Insect Species | Associated Lichen Species |
| Oak (pedunculate & sessile) | 284 (423) | 324 |
| Willow species | 266 (450) | 160 |
| Birch (silver & downy) | 229 (334) | 126 |
| Hawthorn | 149 | no data |
| Blackthorn | 109 | no data |
| Poplar species (including aspen) | 97 | no data |
| Crab Apple | 93 | no data |
| Scots Pine | 91 | 132 |
| Alder | 90 | 105 |
| Elm | 82 | 187 |
| Hazel | 73 | 160 |
| Beech | 64 (98) | 206 |
| Ash | 41 | 255 |
| Spruce* | 37 | no data |
| Lime | 31 | 83 |
| Hornbeam | 28 | 44 |
| Rowan | 28 | 125 |
| Field Maple | 26 (51) | 93 |
| Juniper | 20 | no data |
| Larch* | 17 | no data |
| Fir* | 16 | no data |
| Sycamore* | 15 | 183 |
| Holly | 7 (10) | 96 |
| Sweet Chestnut* | 5 | no data |
| Horse Chestnut* | 4 | no data |
| Yew | 4 | no data |
| Walnut* | 4 | no data |
| Holm Oak* | 2 | no data |
| Plane* | 1 | no data |
| Rhododendron* | 0 | no data |
* Introduced Species
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