Mengual, X. (2020): First record of Paragus flammeus Goeldlin de Tiefenau, 1971 (Diptera, Syrphidae) from Portugal. - Boletín de la Asociación española de Entomología 44 (1-2): 219-222.
Van Steenis, J., van Zuijen, M.P., Ricarte, A., Marcos-García, M.A., Doczkal, D., Ssymank, A., Mengual, X. (2020): First records of Chrysotoxum volaticum Séguy, 1961 from Europe and Platycheirus marokkanus Kassebeer, 1998 from Spain (Diptera: Syrphidae) together with additional records of Spanish Chrysotoxum Meigen, 1803. - Bonn zoological Bulletin 69(1): 141-155.
Koch, A. (2020): Das Paradies auf Erden: Entdeckung eines seltenen Hybrid-Paradiesvogels im Staatlichen Naturhistorischen Museum Braunschweig. In: Lothar A. Beck & Juliane Röder (Hrsg.): 200 Jahre Zoologische Sammlung Marburg - Wunderkammer und wissenschaftliches Archiv, Philipps-Universität Marburg
Kerbis Peterhans, J. C., Hutterer, R., Doty, J. B., Malekanei, J. M., Moyer, D. C., Demos, T. (2020): Four new species of the Hylomyscus anselli group (Mammalia, Rodentia) from the Democratic Republic of Congo and Tanzania. - Bonn zoological Bulletin 69: 55-83.
Bohacz, C., Ahrens, D. (2020): New species of the Microserica lineata group from Laos and Thailand (Coleoptera: Scarabaeidae: Sericini).- Zootaxa 4859 (2): 263–274.
Schäffler, L., Zizka, V. & Noll, N. (2020): Sektion Umweltbiologie am Zentrum für Biodiversitätsmonitoring (zbm) - Mitteilungen der Fachgruppe Umweltchemie und Ökotoxikologie der Gesellschaft Deutscher Chemiker, 26. Jahrgang Juni 2020
Ahrens, D. & Pacheco, T.L. (2020): Maladera rugosa (Blanchard, 1850) comb. n. – a valid species and senior synonym of Maladera graeca Petrovitz, 1969 (Coleoptera, Scarabaeidae, Sericini).- Zootaxa 4759 (3): 443–445.
Barnes A. D., Scherber C., Brose U., Borer E. T., Ebeling A., Gauzens B., Giling D. P., Hines J., Isbell F., Ristok C., Tilman D., Weisser W. W., Eisenhauer N. (2020) Biodiversity enhances the multitrophic control of arthropod herbivory. Science Advances 6
López-García, G. P., Reemer, M., Debandi G., Mengual, X. (2019): New information about the third stage larva and larval habitat of Microdon (Chymophila) bruchi Shannon, 1927 (Diptera, Syrphidae) from Argentina. - Journal of Natural History 53: 2833-2853.
Mengual, X. (2020): New books – Neue Bücher: Wolff, D.; Gebel, M. & Geller-Grimm, F. (2018): Die Raubfliegen Deutschlands. Entdecken – Beobachten – Bestimmen. Studia dipterologica 23 (2): 328-329.
Sabatinelli G., Eberle J., Fabrizi S. & Ahrens D. (2020) A molecular phylogeny of Glaphyridae (Coleoptera: Scarabaeoidea): evolution of pollination and association with ‘Poppy guild’ flowers. Systematic Entomology DOI: 10.1111/syen.12429
Classen A, Eardley CD, Hemp A, Peters MK, Peters RS, Ssymank A, Steffan-Dewenter I (2020) Specialization of plant–pollinator interactions increases with temperature at Mt. Kilimanjaro. Ecology and Evolution 10: 2182–2195.
Schmickler, F., Wipfler, B., Koch, C., Montermann, C., Decher, J. (2020): Surveys and morphological studies of the Nimba Otter Shrew. - Afrotherian Conservation - Newsletter of the IUCN/SSC Afrotheria Specialist Group 16:12-13.
Konecny, A., Hutterer, R., Meheretu, Y., Bryja, J. (2020): Two new species of Crocidura (Mammalia: Soricidae) and updates on the shrew fauna of Ethiopia. - Journal of Vertebrate Biology 69 (2): 20064.
Pacheco, T.L., Monné, M.L., Vaz-de-Mello, F. Z., Ahrens, D. (2020) Notes on the taxonomy of some "Astaena" species described by Burmeister, 1855 (Coleoptera, Scarabaeidae, Melolonthinae).- Zootaxa 4885 (1): 143–145.
Mengual, X., Bot, S., Chkhartishvili, T., Reimann, A., Thormann, J., von der Mark, L. (2020): Checklist of hover flies (Diptera, Syrphidae) of the Republic of Georgia. - ZooKeys 916: 1-123.
Mengual, X., de Soto Molinari, C. (2020): First record of the genus Syritta Le Peletier & Audinet-Serville, 1828 (Diptera, Syrphidae) from the West Indies. - Check List 16(4): 991-995.
