Achterberg C. van, 1998: Bobekoides gen. nov. (Hymenoptera: Braconidae: Alysiinae) from South Africa. 7 pp. [HYM 44]  Zoologische Mededelingen 72(9): 105-111.

Papp J., Achterberg C., 1999: New Afrotropical species of the tribe Lysitermini Tobias (Hymenoptera: Braconidae: Lysiterminae). 9 pp.  Zoologische Mededelingen Leiden 73(11): 199-2007.

Achterberg C. van, Falcó J. V., 2001: Cunicolobracon verdui gen nov. spec. nov. and a new species of Polemochartus Schulz (Hymenoptera: Braconidae) from Spain, with a note on Eremita Kasparyan (Hymenoptera: Ichneumonidae). 10 pp. [HYM 4512]  Zoologische Mededelingen 75(8): 137-146.

 Bruce A. J., 2001: A re-examination of Periclimenaeus trispinosus Bruce and P. orbitospinatus Bruce (Crustacea: Decapoda: Pontoniinae). 12 pp.  Zoologische Mededelingen Leiden 75(9): 147-158.

 Ivanov B. G., Sokolov V. I., 2001: New records of deep-water shrimps of the genus Pandalopsis with a description of P. zarenkovi spec. nov. (Crustacea: Decapoda: Pandalidae) from the Bering sea. 9 pp.  Zoologische Mededelingen Leiden 75: 159-167.

 Opresko D. M., 2001: Revision of the Antipatharia (Cnidaria: Anthozoa). Part I. Establishment of a new family, Myriopathidae. 28 pp.  Zoologische Mededelingen Leiden 75(17): 343-370.

Varis A. L., Achterberg C. van, 2001: Peristenus varisae spec. nov. (Hymenoptera: Braconidae) parasitizing the European tarnished plant bug, Lygus rugulipennis Poppius (Heteroptera: Miridae). 9 pp. [HYM 4722]  Zoologische Mededelingen 75(18): 371-380.

 Huisman J., Andersen T., 2001: the caddisfly Triaenodes pellectus Ulmer (Trichoptera, Leptoceridae: Triaenodini) taken in Sabah, East Malaysia. 4 pp. [TRI 230]  Zoologische Mededelingen 75(19): 381-384.

Achterberg C. van, 2001: The first known fossil Masoninae (Hymenoptera: Braconidae) from Miocene Dominican amber. 4 pp. [HYM 4508]  Zoologische Mededelingen 75(21): 393-396.

Achterberg C. van, 2001: Two new species of Braconidae (Hymenoptera: Euphorinae, Braconinae) from Switzerland and The Netherlands. 7 pp. [HYM 4509]  Zoologische Mededelingen 75(22): 397-404.

Achterberg C. van, Mehrnejad M. R., 2002: The braconid parasitoids (Hymenoptera: Braconidae) of Kermania pistaciella Amsel (Lepidoptera: Tineidae: Hieroxestinae) in Iran. 13 pp. [HYM 4513]  Zoologische Mededelingen 76(2): 27-39.

Achterberg C. van, 2002: Sigalphus meridionalis spec. nov. (Hymenoptera: Braconidae: Sigalphinae) from France. 8 pp. [HYM 4511]  Zoologische Mededelingen 76(4): 45-52.

Achterberg C. van, 2002: Apanteles (Choeras) gielisi spec. nov. (Hymenoptera: Braconidae: Microgastrinae) from The Netherlands and the first report of Trichoptera as host of Braconidae. 8 pp. [HYM 4510]  Zoologische Mededelingen 76(5): 53-60.

Cirelli K. R. N., Braga S. M. P., 2002: New species of Pseudognaptodon Fischer (Hymenoptera: Braconidae: Gnamptodontinae) from Brazil. 7 pp. [HYM 4533]  Zoologische Mededelingen 76(9): 89-95.

Shaw M. R., 2002: A new species of Macrostomion Szépligeti (Hymenoptera: Braconidae: Rogadinae) from Papua New Guinea, with notes on the biology of the genus. 8 pp. [HYM 4670]  Zoologische Mededelingen 76(14): 133-140.

Areekul B., Zaldivar-Riverón A., Quicke D. L. J., 2004: Venom gland and reservoir morphology of the genus Pseudoyelicones van Achterberg, Penteado-Dias & Quicke (Hymenoptera: Braconidae: Rogadinae) and implications for relationships. 4 pp. [HYM 7270]  Zoologische Mededelingen 78(4): 119-122.

Arouca R. G., Penteado-Dias A. M., Achterberg C. van, 2004: A new species of Phaenocarpa Foerster (Hymenoptera: Braconidae: Alysiinae) from Brazil. 8 pp. [HYM 7271]  Zoologische Mededelingen 78(5): 123-130.

 Cruz N., Fransen C. H. J. M., 2004: Addition of three species of the genus Plesionika (Crustacea: Caridea: Pandalidae) to the known Atlantic marine fauna of Colombia. 16 pp.  Zoologische Mededelingen Leiden 78: 131-146.

 Fujita T., Marsh L. M., 2004: Results of the Rumphius Biohistorical Expedition to Ambon (1990). Part 12. The Asteroidea (Echinodermata) collected from Ambon, Indonesia. 18 pp.  Zoologische Mededelingen Leiden 78: 161-179.

Kanaar P., 2004: Revision of the genus Paratropus Gerstaecker (Coleoptera: Histeridae). II. Supplement. 23 pp. [20415]  Zoologische Mededelingen 78: 181-203.

 Mees G. F., 2004: Comment on the type-locality and nomenclature of the regent parrot Polytelis anthopeplus (Lear, 1831). 4 pp.  Zoologische Mededelingen Leiden 78: 205-208.

 Opresko D. M., 2004: Revision of the Antipatharia (Cnidaria: Anthozoa). Part IV. Establishment of a new family, Aphanipathidae. 31 pp.  Zoologische Mededelingen Leiden 78: 209-240.

 Oijen M. J. P. van, 2004: Haplochromis ushindi spec. nov., the largest piscivorous cichlid in the Mwanza Gulf area of Lake Victoria (East Africa) before the Nile perch upsurge. 6 pp.  Zoologische Mededelingen Leiden 78: 249-255.

 Ramil F., Vervoort W., 2004: Note on Aglaophenopsis cartieri (Bedot, 1921) (Cnidaria: Leptolida: Aglaopheniidae) and discussion of its taxonomic position. 8 pp.  Zoologische Mededelingen Leiden 78: 257-264.

 Sánchez J. A., Cairns S. D., 2004: An unusual new gorgonian coral (Anthozoa: Octocorallia) from the Aleutian Islands, Alaska. 10 pp.  Zoologische Mededelingen Leiden 78: 265-274.

Achterberg C. van, Berry J., 2004: Neptihormius gen. nov. (Hymenoptera: Braconidae: Hormiinae), a parasitoid of Nepticulidae (Lepidoptera) from New Zealand. 9 pp.  Zoologische Mededelingen Leiden 78: 291-299.

Achterberg C. van, Berndt L., Brockerhoff E., Berry J., 2004: A new species of the genus Aleiodes Wesmael from New Zealand (Hymenoptera: Braconidae: Rogadinae). 11 pp. [HYM 7267]  Zoologische Mededelingen 78(19): 301-311.

Achterberg C. van, Braet Y., 2004: Two new species of Pambolus Haliday (Hymenoptera: Braconidae: Pambolinae) from Argentina. 8 pp. [HYM 7268]  Zoologische Mededelingen 78(22): 337-344.

 Häussermann V., 2004: Re-description of Phymactis papillosa (Lesson, 1830) and Phymanthea pluvia (Drayton in Dana, 1846) (Cnidaria: Anthozoa), two common actiniid sea anemones from the south east Pacific with a discussion of related genera. 37 pp.   Zoologische Mededelingen Leiden 78: 345-381.

Mead A. R., 2004: Comparative reproductive anatomy in the South African giant land snails (Gastropoda: Pulmonata: Achatinidae). 33 pp.  Zoologische Mededelingen Leiden 78: 417-449.

 Robson E. A., 2004: Cnidogenesis in the jewel anemone Corynactis californica (Carlgreen, 1936) and C. viridis (Allman, 1846) (Anthozoa: Corallimorpharia). 16 pp.  Zoologische Mededelingen Leiden 78: 461-476.

 Voogd N. J. de, 2004: Callyspongia (Euplacella) biru spec. nov. (Porifera: Demospongiae: Haploscleridae) from Indonesia. 7 pp.  Zoologische Mededelingen Leiden 78: 477-483.

Bruggen A. C. van, 2007: Studies on the Streptaxidae (Mollusca: Gastropoda Pulmonata) of Malawi 9. Description of Gulella streptostelopsis, a new Streptostele-like species of Gulella. 9 pp.  Zoologische Mededelingen Leiden 81: 1-9.

Achterberg C. van, 2007: Revision of the genus Spinaria Brullé (Hymenoptera: Braconidae: Rogadinae), with keys to genera and species of the subtribe Spinariina van Achterberg. 73 pp.  Zoologische Mededelingen Leiden 81: 11-83.

Doesburg P. H. van, Pluot-Sigwalt D., 2007: Notes on Phymatinae (Insecta: Heteroptera: Reduviidae). The genus Oxythyreus Westwood, 1841. 15 pp.  Zoologische Mededelingen Leiden 81: 85-99.

 Fransen C. H. J. M., Holthuis L. B., 2007: Vir smiti spec. nov., a new scleractinian associated pontoniine shrimp (Crustacea: Decapoda: Palaemonidae) from the Indo-West Pacific. 14 pp.  Zoologische Mededelingen Leiden 81: 101-114.

Gomes S. A. G., Penteado-Dias A. M., 2007: Description of a new genus of Doryctinae wasps (Hymenoptera: Braconidae) from Brazil. 5 pp.  Zoologische Mededelingen Leiden 81: 115-119.

 Groves C. P., Smeenk C., 2007: The nomenclature of the African wild ass. 14 pp.  Zoologische Mededelingen Leiden 81: 121-135.

Haris A., Zsolnai B., 2007: New Nematinae species (Hymenoptera: Symphyta, Tenthredinidae) from Japan and Korea. 11 pp.  Zoologische Mededelingen Leiden 81: 137-147.