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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Dempster, J.P., Emmet, A.M., Heath, J., Morton, A.C., Thomas, J.A. & Wilmott, K.J. | 1989 | Lycaenidae | Chapter | | Details... |
| Faulkner, J.S. | 1989 | Butterfly and moth report 1988 | Journal | Ann. Rept. Armagh Field Nat. Soc. | Details... |
| Faulkner, J.S. | 1989 | Milford Cutting Nature Reserve - annual report 1988 | Journal | Ann. Rept. Armagh Field Nat. Soc. | Details... |
| Langmaid, J.R. | 1989 | Lepidoptera in Ireland, August 1896 | Journal | Ent. Gaz. | Details... |
| Rippey, I. | 1989 | Butterflies (Lepidoptera) in Northern Ireland 1986-198 additional records and corrigenda | Journal | Ir. Nat. J. | Details... |
| Rippey, I. | 1989 | Drymonia ruficornis Hufnagel (Lepidoptera: Notodontidae) in Fermanagh | Journal | Ir. Nat. J. | Details... |
| Rippey, I. | 1989 | Excursion: South Down | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Rippey, I. | 1989 | The Sections: Zoological | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Rippey, I. | 1989 | Excursion: The Fermanagh weekend: zoological | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Rippey, I. | 1989 | Excursion: Garron Plateau | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Rippey, I. | 1989 | Field Meetings: June 17/18th - Northern Ireland | Journal | Brit. Dragonfly Society Newsletter | Details... |
| Rippey, I. | 1989 | Saintfield area | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Sterling, D.H. | 1989 | Sclerocona acutellus (Eversmann) (Lepidoptera: Pyralidae) new to Britain | Journal | Ent. Gaz. | Details... |
| Young, M.R. | 1989 | The known distribution of Acrolepiopsis betulella (Curtis) (Lepidoptera: Yponomeutidae) in Britain | Journal | Ent. Gaz. | Details... |
| Allen, D. | 1990 | The status and distribution of Eilema lurideola (Zinck.), common footman and E. complana (L.), scarce footman (Lepidoptera) in Northern Ireland | Journal | Ir. Nat. J. | Details... |
| Allen, D. | 1990 | A record of Diachrysia orichalcea (Fabr.) (Lepidoptera), slender burnished brass, from Co. Down | Journal | Ir. Nat. J. | Details... |
| Allen, D., Cryer, R. & Gray, M. | 1990 | The macro-moths (Lepidoptera) of Rathlin Island, Co. Antrim | Journal | Ir. Nat. J. | Details... |
| Beesley, S. & Clarkson, M. | 1990 | Excursion: Donaghadee | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Deane, C.D. | 1990 | Belfast Newsletter 19.5.1990. Fragile beauty in a concrete jungle | Newspaper article | | Details... |
| Nash, R. & Samson, C. | 1990 | A fourth Irish specimen of the small mountain ringlet Erebia epiphron Knoch (Lepidoptera) | Journal | Ir. Nat. J. | Details... |
1515 references found.