Dr. Johannes Kroiß



I have moved to the MPI for

Chemical Ecology in Jena.



Current research


Project links:

- Evolution of the male sex pheromone in European beewolves

- Interactions of the European beewolf and the cuckoo wasp Hedychrum rutilans

Curriculum vitae


Born July 22, 1979 in Bad Neustadt/Saale


Undergraduate studies in biology at the University of Wuerzburg


Graduate studies in biology at the University of Wuerzburg with focus on Animal Ecology, Animal Physiology, and Plant Eco-Physiology


Graduate studies at Duke University, Durham, North Carolina, USA


MSc (Diplom) in biology at the University of Wuerzburg (Diploma thesis: "Host parasite interaction and chemical mimicry in Philanthus triangulum (Hymenoptera: Crabronidae) and Hedychrum rutilans (Hymenoptera: Chrysididae).")

2005 -2008 PhD student in Erhard Strohm`s lab at the University of Regensburg, Department for Zoology

2008 to 2009

Postdoc in Erhard Strohm`s lab at the University of Regensburg, Department for Zoology

2009 to date

Postdoc in Ales Svatos' Research Group Mass Spectrometry at the MPI for Chemical Ecology in Jena

Grants and fellowships


Travel grant for a field study in Madagascar from the DAAD


IAS-scholarship (Integrated Studies Abroad) from the DAAD for a year at Duke University, Durham, North Carolina, USA


Travel grant for an insect collecting trip from the DAAD


Travel grant for an insect collecting trips to Greece and Italy from the Arthur-von-Gwinner Foundation

2005-2008 e-fellows.net GmbH & Co KG
2007 Travel grant from ECRO (European Chemoreception Research Organisation) for the participation in the PhD course "Insect Chemical Ecology" at SLU, Alnarp, Sweden
2007-2008 PhD fellowship from the Universität Bayern e.V. (BayEFG)
2008 Travel grant from Freunde der Universität Regensburg e.V.


Nachwuchsforscherpreis der Universität Bayern e.V. (Anerkennungspreis)



Kroiss J, Schmitt T, Strohm E (in press). Low level of cuticular hydrocarbons in a parasitoid of a solitary digger wasp and its potential for concealment. Entomological Science.

Findley K, Rodriguez-Carrez M, Metin B, Kroiss J, Fonseca Á, Vilgalys R, Heitman J (in press). Phylogeny and phenotypic characterization of pathogenic Cryptococcus species and closely related saprobic taxa in the Tremellales. Eukaryotic Cell. doi:10.1128/EC.00373-08

Weil T, Hoffmann K, Kroiss J, Strohm E, Korb J (2009). Scent of a queen - qualitative differences in the cuticular hydrocarbon composition characterize female reproductives in a lower termite. Naturwissenschaften 96: 315-319

Brunner E, Kroiss J, Heinze J (2009). Chemical correlates of reproduction and worker policing in a myrmicine ant. Journal of Insect Physiology 55: 19-26

Kroiss, J. (2008) Chemical attraction and deception Intra- and interspecific communication in Hymenoptera. PhD thesis, University of Regensburg.

Kroiss J, Bordon S, Strohm E (2008). Hydrocarbons in the nest material of a solitary digger wasp represent a kairomone for a specialized cuckoo wasp. Animal Behaviour 76: 1555-1563.

Oppelt A, Spitzenpfeil N, Kroiss J, Heinze J (2008). The significance of intercolonial variation of cuticular hydrocarbons for inbreeding avoidance in ant sexuals. Animal Behaviour 76: 1029-1034.

Kroiss J (2008). Chemische Tarnkappe bei einem spezialisierten Brutparasiten des Bienenwolfs. Naturwissenschaftliche Rundschau 61(4): 191-193.

Strohm E, Kroiss J, Herzner G, Laurien-Kehnen C, Boland W, Schreier P, Schmitt T (2008) A cuckoo in wolves' clothing? Chemical mimicry in a specialized cuckoo wasp of the European beewolf (Hymenoptera, Chrysididae and Crabronidae). Frontiers in Zoology 5:2.

Kaltenpoth M, Kroiss J, Strohm E (2007) The odor of origin: kinship and geographical distance are reflected in the marking pheromone of male beewolves (Philanthus triangulum F., Hymenoptera, Crabronidae). BMC Ecology 7:11.

Herzner G, Goettler W, Kroiss J, Purea A, Webb A, Jakob PM., Rössler W, Strohm E (2007) Males of a solitary wasp possess a postpharyngeal gland. Arthropod Structure and Development 36: 123-133.

Kroiss J, Schmitt T, Schreier P, Strohm E, Herzner G (2006) A selfish function of a social gland? A postpharyngeal gland functions as sex pheromone reservoir in males of a solitary wasp. Journal of Chemical Ecology 32: 2763-2776.