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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Speight, M.C.D. & Meuffels, H.J.G. | 1989 | Campsicneus compeditus, Melanostolus melancholicus, Syntormon setosus and Systenus pallidus (Diptera: Dolichopodidae), insects new to Ireland | Journal | Ir. Nat. J. | Details... |
| Sterling, D.H. | 1989 | Sclerocona acutellus (Eversmann) (Lepidoptera: Pyralidae) new to Britain | Journal | Ent. Gaz. | Details... |
| Stewart, A.J.A. | 1989 | A new species to Britain: Cicadula ornata (Melichar) | Journal | Auchenorrhyncha Rec. Scheme Newsl. | Details... |
| Withers, P. | 1989 | Some further records of Irish rot-hole moth flies (Diptera: Psychodidae) with a first record for Telmatoscopus rothschildii and a figure of the male terminalia of that species | Journal | Ir. Nat. J. | Details... |
| Withers, P. | 1989 | Moth Flies. Diptera: Psychodidae | Journal | Dipterists Dig. | Details... |
| Wright, A. & Lane, S. | 1989 | Records of sawflies (Hymenoptera: Symphyta) new to Warwickshire | Journal | Ent. Monthly Mag. | Details... |
| Young, M.R. | 1989 | The known distribution of Acrolepiopsis betulella (Curtis) (Lepidoptera: Yponomeutidae) in Britain | Journal | Ent. Gaz. | Details... |
| Albrecht, A. | 1990 | Revision, phylogeny and classification of the genus Dorylomorpha (Diptera: Pipunculidae) | Journal | Acta Zool. Fenn. | 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... |
| Allen, M.D.B. & Boyd, T.D. | 1990 | Excursion: Killyleagh area | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Anderson, R. | 1990 | Adalia bipunctata (L.) (Coleoptera: Coccinellidae) in Northern Ireland | Journal | Ir. Nat. J. | Details... |
| Ashe, P. | 1990 | Review: 'An introduction to the immature stages of British flies Diptera larvae, with notes on eggs, puparia and pupae' by K.G.V. Smith | Journal | Ir. Nat. J. | Details... |
| Ashe, P. & O'Connor, J.P. | 1990 | Further records of Irish Dixidae (Diptera) including Dixella attica Pandazis, new to Ireland | Journal | Bull. Ir. biogeog. Soc. | Details... |
| Bass, J.A.B. | 1990 | Some records of black flies (Diptera: Simuliidae) from Co. Kerry | Journal | Ir. Nat. J. | Details... |
| Beesley, S. & Clarkson, M. | 1990 | Excursion: Donaghadee | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Blackith, R.E. & Blackith, R.M | 1990 | Insect infestation of small corpses | Journal | J. Nat. Hist. | Details... |
| Blackith, R.E., Blackith, R.M. & Speight, M.C.D. | 1990 | Fannia umbrosa, Phaonia cincta, Chirosia parvicornis, Eustalomyia festiva and Protophormia terraenovae, flies (Diptera: Cyclorrhapha) new to Ireland | Journal | Ir. Nat. J. | Details... |
| Deane, C.D. | 1990 | Belfast Newsletter 19.5.1990. Fragile beauty in a concrete jungle | Newspaper article | | Details... |
4097 references found.