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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Welch, R.J. | 1900 | Notes on the fauna of County Kerry | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Anon. | 1901 | Review: 'The Irish Bee Journal' | Journal | Ir. Nat. | Details... |
| Barrington, R.M. & Moffat, C.B. | 1901 | Wasps in County Wicklow | Journal | Ir. Nat. | Details... |
| Bonaparte-Wyse, L.H. | 1901 | Sirex gigas L. in Co. Down | Journal | Ir. Nat. | Details... |
| Burbridge, F.W. | 1901 | Notes on humble bees | Journal | Ir. Nat. | Details... |
| Burbridge, F.W. | 1901 | (Notes on humble bees) | Journal | Ir. Nat. | Details... |
| Fitzgerald, J.R. | 1901 | Habits of humble bees | Journal | Ir. Nat. | Details... |
| Flemyng, W.W. | 1901 | Sirex gigas in Co. Waterford | Journal | Ir. Nat. | Details... |
| Pack-Beresford, D.R. | 1901 | The male of Vespa austriaca | Journal | Ir. Nat. | Details... |
| Anon. | 1902 | Hymenoptera of the south-west | Journal | Ir. Nat. | Details... |
| Anon. | 1902 | Review: 'The Irish Bee Journal' | Journal | Ir. Nat. | Details... |
| Cuthbert, H.K.G. | 1902 | Some problems of Irish entomology | Journal | Ir. Nat. | Details... |
| Halbert, J.N. | 1902 | British Association Guide to Dublin: Hymenoptera | Book | | Details... |
| Johnson, W.F. | 1902 | Insects collected in Co. Sligo | Journal | Ir. Nat. | Details... |
| Morley, C. | 1902 | Hymenoptera collected by Col. Yerbury in south-west Ireland in 1901. Ichneumonidae (including a species new to our fauna) | Journal | Ent. Monthly Mag. | Details... |
| Pack-Beresford, D.R. | 1902 | The nesting habits of Vespa rufa | Journal | Ir. Nat. | Details... |
| Pack-Beresford, D.R. | 1902 | Vespa austriaca | Journal | Ir. Nat. | Details... |
| Schmiedeknecht, O. | 1902 | Opuscula Ichneumonologica | Book | | Details... |
| Anon. | 1903 | Review: 'The Irish Bee Journal' | Journal | Ir. Nat. | Details... |
| Carpenter, G.H. & Pack-Beresford, D.R. | 1903 | The relationship of Vespa austriaca to Vespa rufa | Journal | Ir. Nat. | Details... |
599 references found.