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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Prout, L.B. | 1897 | The genus Oporabia | Journal | Entomol. Rec. J. Var. | Details... |
| Prout, L.B. | 1903 | The British species of the genus Oporabia Steph. | Journal | Ent. Monthly Mag. | Details... |
| Prout, L.B. | 1904 | Notes on Oporabia autumnata, Bork | Journal | Ent. Monthly Mag. | Details... |
| Rankin, D.H. & Rankin, M.N. | 1939 | Additions to the Lepidoptera | Journal | Ir. Nat. J. | Details... |
| Rankin, M.N. & Rankin, D.H. | 1939 | Additions to the Lepidoptera of Co. Down | Journal | Ir. Nat. J. | Details... |
| Rankin, M.N. & Rankin, D.H. | 1942 | The 1941 clouded yellow immigration | Journal | Ir. Nat. J. | Details... |
| Rathborne, H.B. | 1918 | Gonepteryx rhamni in Co. Fermanagh | Journal | Ir. Nat. | Details... |
| Ratnieks, F. | 1981 | Survey of the orange-tip butterfly ova on flowering heads of cruciferous plants in Northern Ireland in 1981 | Ph.D. Thesis | | Details... |
| Rear, D. | 1966 | Lepidoptera seen on Blasket Is and adjoining mainland, 1965 | Journal | Ir. Nat. J. | Details... |
| Redway, D.E. | 1981 | Some comments on the reported occurrence of Erebia epiphron (Knoch) in Ireland during the nineteenth century | Journal | Ent. Gaz. | Details... |
| Reid, C. | 1971 | Additions to the 1969 insect list prepared by Mr. Chris Reid (appendix) | Journal | Ann. Rept. Copeland Bird Obs. | Details... |
| Reid, C. | 1972 | Lepidoptera (butterflies and moths) (appendix) | Journal | Ann. Rept. Copeland Bird Obs. | Details... |
| Reid, C. | 1975 | Provisional list of butterflies and moths (Macrolepidoptera) of Lighthouse Island | Journal | Ann. Rept. Copeland Bird Obs. | Details... |
| Reynell, H.E. | 1894 | Bupalus liniaria and Eupithecia togata in Co. Meath | Journal | Ir. Nat. | Details... |
| Reynell, H.E. | 1899 | Colias edusa in Co. Westmeath | Journal | Ir. Nat. | Details... |
| Rhynehart, J.G. | 1931 | Further Irish records for convolvulus hawk moth, 1930 | Journal | Ir. Nat. J. | Details... |
| Riley, A.M. & Prior, G. | 2003 | British and Irish pug moths | Book | | Details... |
| Riley, N.D. | 1928 | A swarm of Melitaea aurima larvae | Journal | Ent. | Details... |
| Riley, N.D. | 1928 | Pachys betularia var. doubledayaria in Ireland | Journal | Ent. | Details... |
| Riley, N.D. | 1931 | Sphinx convolvuli | Journal | Ent. | Details... |
1515 references found.