Madl, M. 2001: Vespidae and Sphecidae from the Aldabra Group (Seychelles) (Insecta: Hymenoptera). - Linzer biologische Beiträge 33, 2: 1107 - 1110.

Gerlach, J. & Madl, M. 2003: First record of the family Chrysididae (Insecta: Hymenoptera) from Seychelles. - Phelsuma 11: 77.

Madl, M. 2004: Erstnachweis von Ibalia (Tremibalia) jakowlewi Jacobson, 1899, für Österreich (Hymenoptera, Cynipoidea, Ibaliidae). - Beiträge zur Entomofaunistik 5: 125.

Madl, M. & Vidlar, M. 2005: Melitobbia acasta (Walker, 1839) (Hymenoptera: Chalcidoidea: Eulophidae), ein Parasitoid von Sceliphron curvatum (Smith, 1870). - Beiträge zur Entomofaunistik 6: 164 - 165.

Madl, M. & Matyot, P. 2006: First record of the genus Kapala Cameron (Hymenoptera, Chalcidoidea, Eucharitidae) from Seychelles. - Phelsuma 13: 103 - 104.

Gerlach, J., Madl, M. & Matyot, P. 2006: Review of the Pentatomidae of the Seychelles (Hemiptera, Heteroptera). - Phelsuma 13: 104 - 108.

Madl, M. 2006: Notes on Hymenoptera from Aride Island (Republic of Seychelles). - Linzer biologische Beiträge 38, 2: 1499 - 1502.

Madl, M. 2006: Notes on the Pentatomidae of the Seychelles (Hemiptera, Heteroptera). - Linzer biologische Beiträge 38, 2: 1503 - 1505.

Gerlach, J. & Madl, M. 2007: Notes on Erythrina variegata (Linnaeus 1754) (Rosopsida: Fabaceae) and Quadrastichus erythrinae Kim 2004 (Hymenoptera: Chalcidoidea: Eulophidae) in Seychelles. - Linzer biologische Beiträge 39, 1: 79 - 82.

Madl, M. 2007: Review of the Agathidinae (Hymenoptera: Braconidae) of the Malagasy Subregion. - Linzer biologische Beiträge 39, 2: 993 - 1007.

Gusenleitner, J., Madl, M., Schedl, W., Wiesbauer, H. & Zettel, H. 2008: Zur Kenntnis der Scoliidae (Hymenoptera) Österreichs. - Beiträge zur Entomofaunistik 8: 55 - 68.

Madl, M. 2008: Zur Kenntnis der Familie Chalcididae (Hymenoptera: Chalcidoidea) in Österreich. - Entomofauna 29, 4: 69 - 80.

Madl, M. 2008: New records of the family Chrysididae (Hymenoptera) from Madagascar. - Entomofauna 29, 5: 81 - 92.

Madl, M. & Ganeshan, S. 2008: Notes on the Evaniidae (Hymenoptera) of the Mascarenes. - Linzer biologische Beiträge 40, 1: 827 - 831.

Madl, M. 2008: Neufunde von Torymidae (Hymenoptera: Chalcidoidea) aus dem Burgenland (Österreich). Beiträge zur Entomofaunistik 9: 176 - 177.

Fischer, M. & Madl, M 2008: Review of the Opiinae of the Malagasy Subregion (Hymenoptera: Braconidae). - Linzer biologische Beiträge 40, 2: 1467 - 1489.

Carpenter, J. M. Gusenleitner, J. & Madl, M. 2009: A Catalogue of the Eumeninae (Hymenoptera: Vespidae) of the Ethiopian Region excluding Malagasy Subregion. Part I: Introduction, Key to Genera, Genera Aethiopicodynerus Gusenleitner 1997 to Cyrtolabulus van der Vecht 1969. - Linzer biologische Beiträge 41, 1: 513 - 638.

Jäch, M. A. & Madl, M. 2009: Water beetles of Seychelles (Coleoptera). - In: Gerlach, J. (ed.): The Coleoptera of the Seychelles islands. - Sofia - Moscow (Pensoft: 11 - 35, pls. 1, 2.

Gusenleitner, J. & Madl, M. 2009: Notes on Vespidae (Hymenoptera) of Mauritius. - Entomofauna 30, 27: 465 - 471

Carpenter, J. M. & Madl, M. 2009: A Catalogue of the Vespidae of the Malagasy Subregion (Insecta, Hymenoptera). - Linzer biologische Beiträge 41, 2: 1871 - 1935.

Parnaudeau, R. & Madl, M. 2009: Liste des Hyménoptères des îlots coralliens français et mauricien de l’océan Indien occidental. - Bulletin de la Société Entomologique de France 114, 4: 453 - 462.