| Authors(s) | Bottorff, R.L. and Knight, A.W. |
| Year | 1987a |
| Title | Ectosymbiosis between Nanocladius downesi (Diptera: Chironomidae) and Acroneuria abnormis (Plecoptera: Perlidae) in a Michigan stream, USA. Entomologia Generalis 12: 97-113. |
| Authors(s) | Bottorff, R.L. and Knight, A.W. |
| Year | 1987a |
| Title | Ectosymbiosis between Nanocladius downesi (Diptera: Chironomidae) and Acroneuria abnormis (Plecoptera: Perlidae) in a Michigan stream, USA. Entomologia Generalis 12: 97-113. |