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Michael Heethoff

​2013-2040  Associate Professor TU Darmstadt
2012-2013  Associate Professor U Tübingen
2010-2012  Research Fellow (DFG) U Graz
2004-2010  Research Assistant U Tübingen
2000-2003  PhD thesis TU Darmstadt
1994-1999  Studied Biology at TU Darmstadt



Foto 11.09.21, 13 03 34 (1).jpg



heethoff (at)

B1|01, Room 264 

Prof. Dr. Michael Heethoff

Animal Evolutionary Ecology

Ecological Networks

Schnittspahnstraße 3

D-64287 Darmstadt

Phone: +49 6151 1675417

Research interests    

Soil ecology - interactions among soil organisms
3D-digitization of insects

Research domains: 

Evolutionary, functional and chemical ecology 

Functional morphology and ecomorphology

Evolution of parthenogenesis

Research funds / projects as PI              

2010-2012  Chemical ecology of oribatid mites (DFG)

2013-2016  ASTOR (BMBF research unit, speaker)
2016-2020  NOVA (BMBF research unit, speaker)
2020-2023  Integrative Taxonomy (DFG)
2021-2025  Predator-Prey Networks (DFG Research Unit, subproject)
2021-2024  3D insect digitization (DFG LIS network, speaker)



Publications (if your looking for publianions - look my negative list)


(85) Wehner, K., Heethoff, M. (2022). Hornmilben - die unscheinbare Vielfalt aus dem Boden. Biologie in unserer Zeit 52: 262-267.


(84) Meier, M., Aßauer, L., Heethoff, M., Michalik, P. (2022). DigiTiB - ein interaktives Lernwerkzeug zur Artbestimmung. Unterricht Biologie 46:24-30.


(83) Wehner, K., Simons, N.K., Blüthgen, N., Heethoff, M. (2021). Drought, windthrow and forest operations strongly affect oribatid mite communities in different microhabitats, Global Ecology and Conservation 30: e01757

(82) Wehner, K., Schuster, R., Simons, N.K., Norton, R.A., Blüthgen, N., Heethoff, M. (2021). How land-use intensity affects sexual and parthenogenetic oribatid mites in temperate forests and grasslands in Germany. Experimental and Applied Acarology 83: 343-373


(81) Lösel, P.D., van de Kamp, T., ...Heethoff, M.,... Heuveline, V. (2020). Introducing Biomedisa as an open-source platform for biomedical image segmentation. Nature Communications 11: 5577.

(80) Brückner, A., Kaltenpoth, M., Heethoff, M. (2020). De novo biosynthesis of simple aromatic compounds by an arthropod (Archegozetes longisetosus). Proceedings of the Royal Society B 287: 20201429.

(79) Merkel, C., Heethoff, M., Brückner, A. (2020). Temperature Affects Chemical Defense in a Mite-Beetle Predator-Prey System. J Chem Ecol (2020).

(78) Hoenle, P., Lattke, J.E., Donoso, D., von Beeren, C., Heethoff, M., Schmelzle, S., Argoti, A., Camacho, L., Ströbel, B., Blüthgen, N. (2020). Odontomachus davidsoni sp. nov. (Hymenoptera, Formicidae), a new conspicuous trap-jaw ant from Ecuador. Zookeys 948: 75-105

(77) Brückner, A., Heethoff, M. (2020) Fatty acid metabolism in an oribatid mite: de novo biosynthesis and the effect of starvation. Experimental and Applied Acarology 81: 483-494.



(76) Pollierer, M. M., Larsen, T. L., Potapov, A., Brückner, Heethoff, M., Dyckmans, J., Scheu, S. (2019) Compound-specific isotope analysis of amino acids as a new tool to uncover trophic chains in soil food webs. Ecological Monographs 89: e01384

(75) Thiel, T., Brechtel, A., Brückner, A., Heethoff, Mi., Drossel, B. (2019). The effect of reservoir-based chemical defense on predator-prey dynamics. Theoretical Ecology, 12: 365-378.


(74) Brückner, A., Schuster, R., Wehner, K., Heethoff, M. (2018) Nutritional quality modulates trait variability. Frontiers in Zoology 15:50.

(73) Brückner, A., Heethoff, M., Norton, R. A., Wehner, K. (2018). Body size structure of oribatid mite communities in different microhabitats. Int. J. Acarol., DOI: 10.1080/01647954.2018.1508248

(72) Heethoff, M., Brückner, A., Schmelzle, S., Schubert, M., Bräuer, M., Meusinger, R., Dötterl, S., Norton, R. A., Raspotnig, G. (2018). Life as a fortress - structure, function, and adaptive values of morphological and chemical defense in the oribatid mite Eupthiracarus reticulatus (Actinotrichida). BMC Zoology 3:7.

(71) Rosumek, F. B., Blüthgen, N., Brückner, A., Menzel, F., Gebauer, G., Heethoff, M. (2018). Unveiling community patterns and trophic niches of tropical and temerate ants using an itegrative framework of field data, stable isotopes and fatty acids. PeerJ 6:e5467.

(70) Heethoff, M. (2018). The future of Chemoecology. Chemoecology 28: 75.

(69) Wehner, K., Heethoff, M., Brückner, A. (2018). Seasonal fluctuation of oribatid mite communities in forest microhabitats. PeerJ 6:e4863.

(68) Ströbel, B., Schmelzle, S., Blüthgen, N., Heethoff, M. (2018). An automated device for the digitization and 3D modeling of insects, combining extended-depth-of-field and all-side multi-view imaging. ZooKeys 759: 1-27.

(67) Heethoff, M. (2018). Cryptic species - conceptual or terminological chaos? Trends in Ecology and Evolution 33: 310.

(66) Wehner, K., Heethoff, M., Brückner, A. (2018). Sex ratios of oribatid mites differ among microhabitats. Soil Organisms 90: 13-21.

(65) Brückner, A., Schuster, R., Wehner, K., Heethoff, M. (2018). Effects of nutritional quality on the reproductve biology of Archegozetes longisetosus (Actinotrichida, Oribatida, Trhypochthoniidae). Soil Organisms 90: 1-12.

(64) Brückner, A., Schuster, R. Smit, T., Heethoff, M. (2018). Imprinted or innate food preferences in the model mite Archegozetes longiosetosus (Actinotrichida, Oribatida, Trhypochthoniidae). Soil Organisms, 13-26.

(63) Brückner, A., Heethoff, M. (2018). Nutritional effects on chemical defense alter predator-prey dynamics. Chemoecology 28: 1-9.

(62) Bergmann, P., Laumann, M., Norton, R.A., Heethoff, M. (2018). Cytological evidence for automictic thelytoky in parthenogenetic oribatid mites (Acari, Oribatida): Synaptonemal complexes confirm meiosis in Archegozetes longisetosus. Acarologia 58: 342-356.

(61) Brückner, A., Schuster, R., Smit, T., Pollierer, M.M., Schäffler, I., Heethoff, M. (2018). Track the snack - olfactory cues shape foraging behaviour of decomposing soil mites (Oribatida). Pedobiologia 66: 74-80.


(60) Kühsel, S., Brückner, A., Schmelzle, S., Heethoff, M., Blüthgen, N. (2017). Surface area – volume ratios in insects. Insect Science, 24, 829-841.

(59) Lösel, P., Heuveline, V., Jerome, N.T., Kopmann, A., van de Kamp, T., Schmelzle, S., Heethoff, M. (2017). Biomedisa: The Biomedical Image Segmentation App. 3rd International Conference on Tomography of Materials and Structures Lund, Sweden, ICTMS2017-106-3.

(58) Frank, K., Brückner, A., Hilpert, A., Heethoff, M., Blüthgen, N. (2017). Nutrient quality of vertebrate dung as a diet for dung beetles. Scientific Reports 7:12141.

(57) Schmelzle, S., Heethoff, M., ... van de Kamp, T. (2017). "The NOVA project: maximizing beam time efficiency through synergistic analyses of SRμCT data", Proc. SPIE 10391, Developments in X-Ray Tomography XI, 103910P-1.

(56) Brückner, A., Hilpert, A., Heethoff M. (2017). Biomarker function and nutritional stoichiometry of neutral lipid fatty acids and amino acids in oribatid mites. Soil Biology & Biochemistry 115: 35-43.

(55) Rosumek, F. B., Brückner, A., Blüthgen, N., Menzel, F., Heethoff, M. (2017). Patterns and dynamics of neutral lipid fatty acids in ants - implications for ecological studies. Frontiers in Zoology 14:36.

(54) Eisenhauer, N., ... , Heethoff, M., ... Powell, J. R. (2017). Priorities for research in soil ecology. Pedobiologia 63: 1-7.

(53) Brückner A., Heethoff M. (2017). The ontogeny of oil gland chemistry in the oribatid mite Archegozetes longisetosus Aoki (Oribatida, Trhypochthoniidae). International Journal of Acarology 43: 337-342.

(52) Brückner, A., Heethoff, M., Blüthgen, N. (2017). The relationship between epicuticular long-chained hydrocarbons and surface area – volume ratios in insects (Diptera, Hymenoptera, Lepidoptera). PLoS ONE 12: e0175001.

(51) Brückner, A., Raspotnig, G., Wehner, K., Meusinger, R., Norton, R.A., Heethoff, M. (2017). Storage and release of hydrogen cyanide in a chelicerate (Oribatula tibialis). Proc. Natl. Acad. Sci. USA 114(13): 3469-3472.

(50) Koerner, L., Garamszegi, L.Z., Heethoff, M., Betz, O. (2017). Divergent morphologies of adhesive predatory mouthparts of Stenus species (Coleoptera: Staphylinidae) explain differences in adhesive performance and resulting prey-capture success. Zool. J. Linn. Soc. 181: 500-518.


(49b) Brückner, A., Heethoff, M. (2016). Erratum: A chemo-ecologists' practical guide to compositional data analysis. Chemoecology 27: 47.

(49a) Brückner, A., Heethoff, M. (2016). A chemo-ecologists' practical guide to compositional data analysis. Chemoecology 27: 33-46.

(48) Heethoff, M., Norton, R. A., Raspotnig, G. (2016). Once again: oribatid mites and skin alkaloids in poison frogs. J. Chem. Ecol. 42: 841-844.

(47) Heethoff, M., Scheu, S. (2016). Reliability of isotopic fractionation (15N, 13C) for the delimitation of trophic levels of oribatid mites: Diet strongly affects 13C but not 15N. Soil Biology and Biochemistry 101: 124-129.

(46) Brückner, A., Wehner, K., Neis, M., Heethoff, M. (2016). Attack and defense in a gamasid-oribatid mite predator-prey experiment – sclerotization outperforms chemical repellency. Acarologia 216: 451-461.

(45) Brückner, A., Heethoff, M. (2016). Scent of a mite – Origin and chemical characterization of the lemonlike flavor of mite-ripened cheeses. Exp. Appl. Acarol. 69: 249-261.

(44) Wehner, K., Norton, R. A., Blüthgen, N., Heethoff, M. (2016). Specialization of oribatid mites to forest microhabitats – the enigmatic role of litter. – Ecosphere 7:e01336.

(43) Hartmann, K., Laumann, M., Bergmann, P., Heethoff, M., Schmelzle, S. (2016). Development of the synganglion and morphology of the adult nervous system in the mite Archegozetes longisetosus Aoki (Chelicerata, Actinotrichida, Oribatida). Journal of Morphology 277: 537-548.


(42) Schmelzle, S., Norton, R. A., Heethoff, M. (2015). Mechanics of the ptychoid defense mechanism in Ptyctima (Acari, Oribatida): One problem, two solutions. Zool. Anz. 254: 27-40.

(41) Heethoff, M., Rall, B. C. (2015). Reducible defence: chemical protection alters the dynamics of predator-prey interactions. Chemoecology 25: 53-61.


(40) Heethoff, M., Bergmann, P., Laumann, M., Norton, R. A. (2013). The 20th anniversary of a model mite: A review of current knowledge about Archegozetes longisetosus (Acari, Oribatida). Acarologia 53: 353-368.


(39) Koerner, L., Laumann, M., Betz, O., Heethoff, M. (2013). Loss of the sticky harpoon - COI sequences indicate paraphyly of Stenus with respect to Dianous (Staphylinidae, Steninae). Zool. Anz. 252: 337-347.



(38) Heethoff, M. (2012). Regeneration of complex defensive oil-gland secretions and its importance for chemical defense in an oribatid mite. J. Chem. Ecol. 38: 1116-1123.


(37) Schmelzle, S., Norton, R. A., Heethoff, M. (2012). A morphological comparison of two closely related ptychoid oribatid mite species: Phthiracarus longulus and P. globosus (Acari: Oribatida: Phthiracaroidea). Soil Organisms 84: 431-443.


(36) Bergmann, P., Heethoff, M. (2012). Development of the internal reproductive organs in early nymphal stages of Archegozetes longisetosus Aoki (Acari, Oribatida, Tthypochthoniidae) as obtained by synchrotron X-ray microtomography (SR-µCT) and transmission electron microscopy (TEM). Soil Organisms 84: 459-470.


(35) Heethoff, M. Raspotnig, G. (2012). Investigating chemical communication in oribatid and astigmatid mites in bioassays - Pitfalls and suggestions. Soil Organisms 84: 409-421.


(34) Van der Meijden, A., Langer, F., Boistel, R., Vagovic, P., Heethoff, M. (2012). Functional morphology and bite performance of raptorial chelicerae of camel spiders (Solifugae). J. Exp. Biol. 15: 3411-3418.


(33) Bergmann, P., Heethoff, M. (2012). The oviduct is a brood chamber for facultative egg retention in the parthenogenetic oribatid mite Archegozetes longisetosus Aoki (Acari, Oribatida), Tissue & Cell 44: 342-350.


(32) Heethoff, M., Raspotnig, G. (2012). Triggering chemical defense in an oribatid mite using artificial stimuli. Exp. Appl. Acarol. 56: 287-295.


(31) Heethoff, M., Raspotnig, G. (2012). Expanding the ‘enemy-free space’ for oribatid mites: Evidence for chemical defense of juvenile Archegozetes longisetosus against the rove beetle Stenus juno. Exp. Appl. Acarol. 56: 93-97.



(30) Heethoff, M., Koerner, L., Norton, R. A., Raspotnig, G. (2011). Tasty but protected - first evidence of chemical defense in oribatid mites, J. Chem. Ecol. 37: 1037-1043.


(29) Heethoff, M., Raspotnig, G. (2011). Is 7-hydroxyphthalide a natural compound of oil gland secretions? – Evidence from Archegozetes longisetosus (Acari, Oribatida). Acarologia 51: 229-236.


(28) Fernández, R., Bergmann, P., Almodóvar, A., Cosín, D., Heethoff, M. (2011). Ultrastructural and molecular insights into three populations of Aporrectodea trapezoides (Dugés, 1828) (Oligochaeta, Lumbricidae) with different reproductive modes. Pedobiologia 54: 281-290.


(27) Alberti, G., Heethoff, M., Norton, R. A., Schmelzle, S., Seniczak, A., Seniczak, S. (2011). Fine structure of the gnathosoma of Archegozetes longisetosus Aoki (Acari: Oribatida, Trhypochthoniidae). J. Morphology 272: 1025-1079.


(26) Raspotnig, G., Norton, R. A., Heethoff, M. (2011). Oribatid mites and skin alkaloids in poison frogs. Biol. Lett. 7: 555-556.


(25) Heethoff, M., Laumann, M., Weigmann, G., Raspotnig, G. (2011). Integrative taxonomy: combining morphological, molecular and chemical data for species delineation in the parthenogenetic Trhypochthonius tectorum complex (Acari, Oribatida, Trhypochthoniidae), Front. Zool. 8:2.



(24) Laumann, M., Norton, R. A., Heethoff, M. (2010). Acarine cleavage patterns and early embryology: Inconsistencies, artificial results and misinterpretation. Soil Organisms 82: 217-235.


(23) Bergmann, P., Laumann, M., Heethoff, M. (2010). Ultrastructural aspects of vitellogenesis in Archegozetes longisetosus Aoki 1965 (Acari, Oribatida, Trhypochthoniidae). Soil Organisms 82: 193-208.


(22) Schmelzle, S., Helfen, L., Norton, R. A., Heethoff, M. (2010). The ptychoid defensive mechanism in Phthiracarus longulus (Acari, Oribatida, Phthiracaroidea): Exoskeletal amd muscular elements. Soil Organisms 82: 253-273.


(21) Laumann, M., Bergmann, P., Norton, R. A., Heethoff, M. (2010).  First cleavages, preblastula and blastula in the parthenogenetic mite Archegozetes longisetosus (Acari, Oribatida) indicate holoblastic rather than superficial cleavage. Arthropod Struct. Dev. 39: 276.286.



(20) Heethoff, M., Norton, R. A. (2009). A new use of synchrotron X-ray microtomography (SR-µCT): three-dimensional biomechanical modeling of chelicerate mouthparts and calculation of theoretical bite forces. Inv. Biol. 128: 332-339.


(19) Schmelzle, S., Helfen, L., Norton, R. A., Heethoff, M. (2009). The ptychoid defensive mechanism in Euphthiracaroidea (Acari: Oribatida): A comparison of muscular elements with functional considerations. Arthropod Struct. Dev. 38: 461-472.


(18) Heethoff, M., Helfen, L., Norton, R. A. (2009) Description of Neoliodes dominicus n.sp. (Acari, Oribatida) from Dominican amber, aided by synchrotron X-ray microtomography. J. Paleont. 83: 153-159.


(17) Heethoff, M., Norton, R. A. (2009). Role of musculature during defecation in a particle-feeding arachnid, Archegozetes longisetosus (Acari, Oribatida). J. Morphology 270: 1-13.



(16) Laumann, M., Bergmann, P., Heethoff, M. (2008). Some remarks on the cytogenetics of oribatid mites. Soil Organisms 80: 223-232.


(15) Bergmann, P., Laumann, M., Cloetens, P., Heethoff, M. (2008). Morphology of the internal reproductive organs of Archegozetes longisetosus Aoki (Acari, Oribatida). Soil Organisms 80: 171-195.


(14) Schmelzle, S., Norton, R. A., Helfen, L., Heethoff, M. (2008).The ptychoid defensive mechanism in Euphthiracaroidea (Acari: Oribatida): A comparison of exoskeletal elements. Soil Organisms 80: 233-247.


(13) Heethoff, M., Cloetens, P. (2008). A comparison of synchrotron X-ray phase contrast tomography and holotomography for non-invasive investigations of the internal anatomy of mites. Soil Organisms 80: 205-215.


(12) Heethoff, M., Helfen, L., Cloetens, P. (2008). Non-invasive 3D-visualization of the internal organization of microarthropods using synchrotron X-ray-tomography with sub-micron resolution. J. Vis. Exp. 15: e737



(11) Heethoff, M., Koerner, L. (2007). Small but powerful - The oribatid mite Archegozetes longisetosus Aoki (Acari, Oribatida) produces disproportionately high forces. J. Exp. Biol. 210: 3036-3042.

(10) Betz, O., Wegst, U., Weide, D., Heethoff, M.,  Helfen, L., Lee, W.-K., Cloetens, P. (2007). Imaging applications of synchrotron x-ray micro-tomography in biological morphology and biomaterial science. I. General aspects of the technique and its advantages in the analysis of arthropod structure. J. Microsc. 22: 51-71.

(9) Laumann, M., Norton, R. A.,Weigmann, G., Scheu, S., Maraun, M., Heethoff, M. (2007). Speciation in the parthenogenetic oribatid mite genus Tectocepheus (Acari, Oribatida) as indicated by molecular phylogeny, Pedobiologia 51: 111-122.

(8) Heethoff, M., Laumann, M., Bergmann, P. (2007) Adding to the reproductive biology of the parthenogenetic oribatid mite Archegozetes longisetosus (Acari, Oribatida, Trhypochthoniidae). Turk. J. Zool. 31: 151-159.


(7) Heethoff, M., Domes, K., Laumann, M., Maraun, M., Norton, R. A., Scheu, S. (2007). High genetic divergences indicate ancient separation of parthenogenetic lineages of the oribatid mite Platynothrus peltifer (Acari, Oribatida). J. Evol. Biol. 20: 392-402.



(6) Heethoff, M., Bergmann, P., Norton, R. A. (2006). Karyology and sex determination of oribatid mites. Acarologia 46: 127-131.


(5) Schaefer, I., Domes, K., Heethoff, M., Schneider, K., Schön, I., Norton, R. A., Scheu, S., Maraun, M.. (2006) No evidence for the 'Meselson effect' in parthenogenetic oribatid mites (Oribatida, Acari), J. Evol. Biol. 19: 184-193.



(4) Heethoff, M., Etzold, K., Scheu, S. (2004) Mitochondrial COII sequences indicate that the parthenogenetic earthworm Octolasion tyrtaeum (Savigny 1826) constitutes of two lineages differing in body size and genotype. Pedobiologia, 48: 9-13.


(3) Maraun, M., Heethoff, M., Schneider, K., Scheu, S., Weigmann, G., Cianciolo, J., Thomas, R. H., Norton, R. A. (2004). Molecular phylogeny of oribatid mites (Oribatida, Acari): evidence for multiple radiations of parthenogenetic lineages Exp. Appl. Acarol. 33: 183-201.




(2) Maraun, M., Heethoff, M., Scheu, S., Norton, R. A., Weigmann, G., Thomas, R. H. (2003) Radiation in sexual and parthenogenetic oribatid mites (Oribatida, Acari) as indicated by genetic divergence of closely related species. Exp. Appl. Acarol. 29: 265-277.



(1) Heethoff, M., Maraun, M., Scheu, S. (2000) Genetic variability in ribosomal ITS 1-sequences of the parthenogenetic oribatid mite Platynothrus peltifer (C.L. KOCH, 1839)(Acari:Oribatida). Ber. nat.-med. Ver. Innsbruck 87: 339-354.




Book chapters

(B6) Michalik, P., Heethoff, M. (2022). DigiTiB - Ein digitales Lernwerkzeug für die Vermittlung von Artenkenntnis. In: Husemann, M. et al. (2022) Facettenreiche Insekten: Vielfalt, Gefährdung, Schutz. Haupt Verlag, Bern, pp 219-222.

​(B5) Ströbel, B., Heethoff, M. (2018). Mikrophotogrammetrie präparierter Insekten: Möglichkeiten und Grenzen. In: Luhmann, T. Photogrammetrie-Laserscanning Optische Messtechnik – Beiträge der Oldenburger 3D-Tage 2018

(B4) Mexner, W., Bonn, M., Kopmann, A., Mauch, V., Ressmann, D., van de Kamp, T., Chilingaryan, S., Jerome, N.T., Heuveline, V., Lösel, P., Schmelzle, S., Heethoff, M. – OpenGL API based analysis of large datasets in a cloud environment. In: Deka, G.C., Prashanta, K.D. Design and Use of Virtualization Technology in Cloud Computing. IGI Global, pp 161-181.

(B3) Ströbel, B., Justice, K., Heethoff, M. (2017) Mikrophotogrammetrie präparierter Insekten. In: Luhmann, T. Photogrammetrie-Laserscanning Optische Messtechnik – Beiträge der Oldenburger 3D-Tage 2017, Wichmann-Verlag Berlin, pp 344-356.

(B2) Heethoff, M., Norton, R. A., Scheu, S., Maraun, M. (2009). Parthenogenesis in oribatid mites (Acari, Oribatida): evolution without sex. In: Schoen, I., Martens, K., van Dijk, P. (eds.) Lost Sex - The Evolutionary Biology of Parthenogenesis. Springer Press, pp 241-257.


(B1) Heethoff, M. (2008). Molekulare Evolution - Was uns die DNS über unseren Ursprung erzählt. In: Betz, O., Köhler, H. (eds.) Die Evolution des Lebendigen - Grundlagen und Aktualität der Evolutionstheorie. Narr, Franke, Attempto Verlag Tübingen, pp 39-56.




Book reviews and non-peer-reviewed publications


Heethoff, M., (2012). Book review: Plant-Animal Communication, H.M. Schaefer & G.D. Ruxton, Oxford University Press, New Haven (2011). Basic Appl. Ecol. 13: 106.


Heethoff, M., (2010). Book review: Dazzled and Deceived: Mimicry and Camouflage, P. Forbes. Yale University Press, New Haven, Connecticut (2009). Basic Appl. Ecol. 11: 471.


Heethoff, M. (2009). Mit Röntgenstrahlen in den Mikrokosmos – Synchrotron-Röntgen-Mikrotomographie für nicht-invasive Visualisierung mikroskopischer Strukturen. BIOforum 32: 14-16.


Heethoff, M. (2008) Sex? Nein, danke… labor&more 4/08: 10-12.






Heethoff, M. (2012) Evolution und Ökologie bodenbewohnender Hornmilben (Acari, Oribatida) - Parthenogenetische Reproduktion und Radiation, Entwicklungsbiologie, Funktionsmorphologie und chemische Ökologie. Habilitation Thesis, Universität Tübingen.


Heethoff, M. (2003) Genetic diversity and evolutionary age of parthenogenetic oribatid mites (Acari: Oribatida). Doctoral Thesis, Technische Universität Darmstadt.


Heethoff, M. (1999) Genetische Variabilität bei der parthenogenetischen Hornmilbe Platynothrus peltifer. Diploma Thesis, Technische Universität Darmstadt.

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