| Type | Chapter |
| Authors(s) | Ryan, R. |
| Year | 2018 |
| Title | An annotated addendum to Southwood & Leston's Land and Water Bugs of the British Isles: 1-36. Ryan, Oxford. |
| Type | Chapter |
| Authors(s) | Ryan, R. |
| Year | 2018 |
| Title | An annotated addendum to Southwood & Leston's Land and Water Bugs of the British Isles: 1-36. Ryan, Oxford. |