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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Crawford, W.M. | 1935 | Hibernation of peacock butterflies | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1937 | Butterflies at Buddleia | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1939 | Early appearance of peacock butterflies | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1939 | Review: 'A butterfly book for the pocket' by E. Sandars | Journal | Ir. Nat. J. | Details... |
| Crawford, W.M. | 1940 | Hibernation of a peacock butterfly | Journal | Ir. Nat. J. | Details... |
| Cronk, R.P. & Whatmough, J.A. | 1984 | Distribution survey of dark green fritillary and grayling butterfly in 1982. Murlough Scientific Report 1982/83 | Report | | Details... |
| Cuthbert, H.K.G. | 1901 | Abundance of Vanessa io in 1901 | Journal | Ir. Nat. | Details... |
| Dalton, M. & Dalton, H. | 1920 | Leucophasia sinapis in Co. Dublin | Journal | Ir. Nat. | Details... |
| Deane, C.D. | 1983 | Belfast Newsletter 3.9.1983. What a year it's been for butterflies | Newspaper article | | Details... |
| Deane, C.D. | 1983 | What a year it's been for butterflies. Belfast Newsletter 3.9.1983 | Newspaper article | | Details... |
| Delap, M.J. | 1902 | Colias edusa in West Kerry | Journal | Ir. Nat. | Details... |
| Dempster, J.P., Emmet, A.M., Heath, J., Morton, A.C., Thomas, J.A. & Wilmott, K.J. | 1989 | Lycaenidae | Chapter | | Details... |
| Dennis, R.L.H., Porter, K. & Williams, W.R. | 1986 | Ocellationin Coenonympha tullia (Muller) (Lepidoptera: Satyridae). II. Population differentiation and clinal variation in the context of climatically induced antipredator strategies | Journal | Ent. Gaz. | Details... |
| Devlin, K. | 1983 | Belfast Telegraph 13.8.1983. Four in a flutter over the purple hairstreak | Newspaper article | | Details... |
| Dillon, R.E. | 1898 | Colias edusa in Ireland | Journal | Ir. Nat. | Details... |
| Dixon, H.N. | 1922 | Butterfly habits | Journal | Ir. Nat. | Details... |
| Donaldson | 1900 | New England butterflies | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Dunlop, K.M. | 1930 | The brimstone butterfly in Kildare | Journal | Ir. Nat. J. | Details... |
| Dunlop, K.M. | 1932 | Peacock butterfly hibernating in house | Journal | Ir. Nat. J. | Details... |
| Dunlop, K.M. | 1942 | Butterflies in the Barrow Valley in 1941 | Journal | Ir. Nat. J. | Details... |
385 references found.