
Koch, H, Abrol, DP, Li, J, Schmid-Hempel, P (in press) Diversity and evolutionary patterns of bacterial gut associates of corbiculate bees. Molecular Ecology.
Koch, H, Schmid-Hempel, P 2012. Gut microbiota instead of host genotype drive the specificity in the interaction of a natural host-parasite system. Ecology Letters 15: 1095-1103.
Koch, H, Cisarovsky, G, Schmid-Hempel, P 2012. Ecological effects on gut bacterial communities in wild bumble bee colonies. Journal of Animal Ecology 81: 1202-1210.
Cisarovsky, G, Koch, H, Schmid-Hempel, P 2012. A field study on the influence of food and immune priming on a bumblebee-gut parasite system. Oecologia 170: 877-884
Koch, H, Schmid-Hempel, P 2011. Socially transmitted gut microbiota protect bumble bees against an intestinal parasite. PNAS 108 (48): 19288-19292.
Koch, H, Schmid-Hempel, P 2011. Bacterial communities in central European bumblebees: low diversity and high specificity. Microbial Ecology 62 (1): 121-133.
Koch, H, Corcoran, C, Jonker, M 2011. Honeydew collecting in Malagasy stingless bees (Hymenoptera: Apidae: Meliponini) and observations on competition with invasive ants. African Entomology 19 (1): 36-41.
Koch, H 2010. Combining morphology and DNA barcoding resolves the taxonomy of Western Malagasy Liotrigona Moure, 1961. African Invertebrates 51 (2): 413-421.
Waser, NM, Price, MV, Alele, P, Baranyovits, A, Corcoran, C, Djagoun, CAMS, Nana, ED, Jonker, M, Koch, H, Marialva, MP, Mateus, ARA, Musvuugwa, T, Mwema, M, Mwololo, M, Nuttman, C, Percival, G, Rakotonoely, H, Ramamonjisoa, N, Veríssimo, N, Voillemot, M, Wala, Z 2010. A preliminary early-season flower-visitation web for the Kirindy forest, Madagascar. Journal of Pollination Ecology 2 (1): 1-6.