Print page    

Matthias Herrmann

Position: Project Leader
Unit: Herrmann Sommer
Phone: +49 7071 601 484
Picture of Herrmann, Matthias

bringing together nematology and entomology

1994 – 1999 student of biology, parasitology & pharmacology

Eberhard Karls University of Tübingen


2000 Diploma Thesis

“Faunistic-ecological studies in mosquitoes (Diptera: Culicidae)"


2000-2004 PhD Thesis, Eberhard Karls University

“Characteristics of larval and adult diploid drones in Apis mellifera


2004 post-doctoral position in the Dept Evolutionary Biology at the Max Planck Institute for Developmental Biology

since 2010 head of the field station on Reunion island




collecting trips/ expeditions:

October 2004 Costa Rica in cooperation with the field station “La Selva”

June 2005 USA, New York & Nebraska in cooperation with Cornell university and the Museum of the Nebraska State university

June/July 2006 Japan in cooperation with the RIKEN Institute in Kobe

November 2006 Bolivia

May 2007 Ghana & Togo

May 2008 USA, California in cooperation with the CalTech

since Feb 2008 every year Ile de La Réunion in cooperation with Insectarium de La Réunion

Jan 2010 Mauritius

Jan 2011 Rodrigues , Reunion & Seychelles

March 2011 Cambodia, May 2011 Japan

Jan 2012 Reunion, June 2012  Japan

July 2012 Arizona, Oct 2012 Christmas Island

Jan & May 2013 Reunion

Oct 2013 Vietnam, Nov 2013 New Caledonia

Jan 2014 & April 2014 Reunion

Jan 2015 Reunion, May 2015 Azores, August 2015 Taiwan


several short collecting trips within Europe (France, Spain, Hungary, Rumania, Bulgaria,… )

Herrmann, M., Neuner, J., Vötsch, M., Wörner, J., Kanzaki, N. & Sommer, R. J. (2015): Pristionchus scratchpads - an online platform for taxonomy, systematics and phylogeny. Zootaxa, 3949, 597-600.

Ragsdale, E.J., Kanzaki, N. & Herrmann, M. (2015): Taxonomy and natural history: the genus Pristionchus. In: Pristionchus pacificus: a nematode model for comparative and evolutionary biology. Nematology Monography & Perspectives, 2015, Vol. 11, 77-120, Brill publ.

Wegensteiner, R., Wermelinger, B., Herrmann, M. (2015): Natural enemies of bark beetles: Predators, parasitoids, pathogens and nematodes. In: Bark beetles: Biology and ecology of native and invasive species (eds. Vega F.E., Hofstetter R.W.). Academic Press, London, pp. 247-304.

Susoy, V. & Herrmann, M. (2014): Preferential host switching and codivergence shaped radiation of bark beetle symbionts, nematode of Micoletzkya (Nematoda:Diplogastridae). Journal of Evolutionary Biology, 27, 889-898.

Kanzaki, N., Ragsdale, E., Herrmann, M., & Sommer, R. J. (2014): Two new and two recharacterized species resulting from a radiation of Pristionchus (Nematoda: Diplogastridae) in Europe. J. of Nematology, 46, 60-74.

Morgan, K., McGaughran, A., Ganeshan, S., Herrmann, M., & Sommer, R. J. (2014): Landscape and oceanic barriers shape dispersal and population structure in the  Island nematode Pristionchus pacificus. Biol. Journal Linnean Soc., 112, 1-15.

Ragsdale, E. J., Kanzaki, N., Roeseler, W., Herrmann, M. & Sommer, R. J. (2013): Three new species of Pristionchus (Nematoda: Diplogastridae) show morphological divergence through evolutionary intermediates of a novel feeding polymorphism. Zool. J. Linn. Soc., in press.

Kanzaki, N., Ragsdale, E. J., Herrmann, M., Roeseler, W. & Sommer, R. J. (2013): Two new species of Pristionchus (Nematoda: Diplogastridae) support the biogeographic importance of Japan for the evolution of the genus Pristionchus and the model system P. pacificus. Zool. Sci., in press.

Kanzaki, N., Ragsdale, E. J., Herrmann, M., Roeseler, W. & Sommer, R. J. (2013): Pristionchus bucculentus n. sp. (Rhabditida: Diplogastridae) isolated from a shining mushroom beetle (Coleoptera: Scaphidiidae) in Hokkaido, Japan. J. of Nematology, 45, 77-84.

Susoy, V., Kanzaki, N. & Herrmann, M. (2013) Description of bark-beetle-associated nematodes Micoletzkya masseyi n. sp. and M. japonica n. sp. (Nematoda: Diplogastridae). Nematology, 2, 213-231.


Kanzaki, N., Ragsdale, E., Herrmann, M., Mayer, W.E. & Sommer, R.J.(2012) Description of three Pristionchus species (Nematoda: Diplogastridae) from Japan that form a cryptic species complex with the model organism P. pacificus. Zoological Science , in press


Kanzaki, N., Ragsdale, E., Herrmann, M., Mayer, W.E., Tanaka, R. & Sommer, R.J.(2012) Parapristionchus giblindavisi n.gen, n.sp. (Rhabditida: Diplogastridae) isolated from stag beetles (Coleoptera: Lucanidae) in Japan. Nematology , 8, 933 - 947.


Kanzaki, N., Ragsdale, E., Herrmann, M. & Sommer, R.J. (2012) Two new species of Pristionchus (Rhabditida: Diplogastridae): P. fissidentatus n.sp. from Nepal and La Reunion Island and P. elegans n.sp. from Japan. Journal of Nematology , in press


Susoy, V. & Herrmann, M. (2012) Validation of the genus Rhabditolaimus Fuchs, 1914 (Nematoda: Diplogastridae) supported by integrative taxonomic evidence. Nematology , 5, 595-604.


Morgan, K., McGaughran, A., Witte, H., Bartelmes, G., Villate, L., Herrmann, M., Rochat, J. & Sommer, R. J. (2012): Multi-locus analysis of Pristionchus pacificus on La Réunion Island reveals an evolutionary history shaped by multiple introductions, constrained dispersal events, and rare out-crossing. Mol Ecol., 21, 250-266.


Herrmann, M. & Sommer, R. J. (2011) The genome of Pristionchus pacificus and implications for survival attributes. In: Molecular and Physiological Basis of Nematode Survival (Eds. R. Perry & D. Wharton). pp. 86-98.


Herrmann, M., Kienle, S., Mayer, W.E., Rochat, J. & Sommer, R.J.(2010) Haplotype diversity of the nematode Pristionchus pacificus on Réunion in the Indian Ocean suggests multiple independent invasions. Biological journal of the Linnean Society 100, 170-179


Mayer, W.E., Herrmann, M. & Sommer,R.J. (2009) Molecular phylogeny of beetle associated diplogastrid nematodes suggests host switching rather than nematode-beetle coevolution. BMC Evolutionary Biology 2009, 9:212 doi:10.1186/1471-2148-9-212


Click, A., Savaliya, C.H., Kienle, S., Herrmann, M., Pires-daSilva, A. (2009) Natural variation of outcrossing in the hermaphroditic nematodePristionchus pacificus. BMC EvolBiol 9:75, doi:10.1186/1471-2148-9-75


Rae, R., Riebesell, M., Dinkelacker, I., Wang, Q., Herrmann, M., Weller, A.M., Dieterich, C. & Sommer, R.J. (2008) Different bacterial interactions of necromenic Pristionchus nematodes. Journal Exp. Biol. 211: 1927-1936


Hong, R. L., Svatos, A., Herrmann, M. & Sommer, R. J. (2008) The species-specific recognition of beetle cues by Pristionchus maupasi. Evolution & Development 10:3; 273-279

Zauner, H., Mayer, W.E., Herrmann, M., Weller, A., Erwig, M. & Sommer, R.J. (2007) Distinct patterns of genetic variation in Pristionchus pacificusand Caenorhabditis elegans, two partially selfing nematodes with cosmopolitan distribution. Molecular Ecology 207, 16, 1267-1280


Mayer, W.E., Herrmann, M. & Sommer,R.J. (2007) Phylogeny of the nematode genus Pristionchus and implications for biodiversity, biogeography and the evolution of hermaphroditism. BMC Evolutionary Biology 7:104 doi:10.1186/1471-2148-7-104


Herrmann, M., Mayer, W.E, Hong, R.L., Kienle, S., Minasaki,R. & Sommer, R.J. (2007). The Nematode Pristionchus pacificus (Nematoda: Diplogastridae) is associated with the Oriental Beetle Exomala orientalis(Coleoptera: Scarabaeidae) in Japan. Zoological Science 24: 883–889

Herrmann, M., Mayer, W.E.& Sommer,R.J. (2006) Sex, bugs and Haldane's rule: the nematode genus Pristionchus in the United States. Frontiers in Zoology 3:14 doi:10.1186/1742-9994-3-14


Herrmann, M., Mayer, W.E.& Sommer,R.J. (2006) Nematodes of the genus Pristionchus are closely associated with scarab beetles and the Colorado potato beetle in Western Europe. Zoology 109  96–108


Herrmann, M., Kanbar, G. & Engels, W. (2005) Survival of honey bee (Apis mellifera) pupae after trypan blue staining of wounds caused by Varroa destructor mites or artificial perforation. Apidologie 36 107–111


Herrmann, M., Trenzcek,T., Fahrenhorst,H. & Engels, W. (2005) Characters that differ between diploid and haploid honey bee (Apis mellifera) drones. Genet. Mol. Res. 4 (4): 624-641


Herrmann, M., Engels, W.D. & Engels, W. (2008) Optimierte Futtermischungen zur Laboraufzucht von Bienenlarven (Hymenoptera: Apidae: Apis melliferaEntomol Gener 31(1): 013-020


Non peer-reviewed articles

Herrmann, M. (2008) Eine Käferleiche zum Frühstück. GfBS Newsletter No.21

Herrmann, M., (2008) Worms on my scarabs. SCARABS. Occasional Issue Number 32; Print ISSN 1937-8343 Online ISSN 1937-8351