Marco Gebiola

I am interested in the taxonomy, systematics and population genetics of hymenopteran wasps and their bacterial endosymbionts, with a focus on exploring different types of data and ways to integrate them in an Integrative Taxonomy approach. I am also interested in invasive species and their natural enemies, in particular in the phylogeography of pests and parasitoids and in investigating patterns of adaptation of native parasitoids.

As a Marie Curie International Outgoing Postdoctoral Fellow in the Hunter laboratory at the University of Arizona, I am involved in two projects:  In one, I am studying the nuclear and symbiotic contributions to speciation in two closely related Encarsia species, one infected by the endosymbiont Cardinium that induces cytoplasmic incompatibility (CI) and one uninfected.  In another, I am looking at the cytological events in the early embryogenesis of an egg affected by CI-Cardinium. 

Recently, I have been learning next generation sequencing techniques, in particular Restriction-site associated DNA sequencing (RADseq), and applied it to non-model organisms.

Personal links


Articles and book chapters since 2008

  • 2017 - Reproductive interference and fecundity affect competitive interactions of sibling species with low mating barriers: Experimental and theoretical evidence - Gebiola M., Kelly S.E., Velten L., Zug R., Hammerstein P., Giorgini M., Hunter M.S. - Heredity , 119: 438-446
  • 2017 - Cytological analysis of cytoplasmic incompatibility induced by Cardinium suggests convergent evolution with its distant cousin Wolbachia - Gebiola M., Giorgini M., Kelly S.E., Doremus M.R., Ferree P.M., Hunter M.S. - Proceedings - Royal Society. Biological Sciences , volume 284
  • 2017 - Life inside a gall: closeness does not favour horizontal transmission of Rickettsia between a gall wasp and its parasitoid - Gualtieri L., Nugnes F., Nappo A.G., Gebiola M., Bernardo U. - Fems Microbiology Ecology , volume 7
  • 2017 - A revision of the Encarsia pergandiella species complex (Hymenoptera: Aphelinidae) shows cryptic diversity in parasitoids of whitefly pests - Gebiola M., Monti M.M., Johnson R.C., Woolley J.B., Hunter M.S., Giorgini M., Pedata P.A. - Systematic entomology, 42: 31-59
  • 2016 - No evidence of parthenogenesis-inducing bacteria involved in Thripoctenus javae thelytoky: an unusual finding in Chalcidoidea - Monti M.M., Nugnes F., Gualtieri L., Gebiola M., Bernardo U. - Entomologia Experimentalis Et Applicata , 160: 292-301
  • 2016 - When exotic biocontrol agents travel without passport: first record of Quadrastichus mendeli, parasitoid of the blue-gum chalcid Leptocybe invasa, in Italy - Nugnes F., Gebiola M., Gualtieri L., Russo E., Sasso R., Bernardo U. - Bulletin Of Insectology , 69: 85-91
  • 2016 - “Darwin’s corollary” and cytoplasmic incompatibility induced by Cardinium may contribute to speciation in Encarsia wasps (Hymenoptera: Aphelinidae) - Gebiola M., Kelly S.E., Hammerstein P., Giorgini M., Hunter M.S. - Evolution , 70: 2447-2458
  • 2016 - Cryptic diversity, reproductive isolation and cytoplasmic incompatibility in a classic biological control success story - Gebiola M., White J.A., Cass B.N., Kozuch A., Harris L.R., Kelly S.E., Karimi J., Giorgini M., Perlman S.J., Hunter M.S. - Biological Journal Of The Linnean Society , 117: 217-230
  • 2015 - Characterization, distribution, biology and impact on Italian walnut orchards of the invasive North-American leafminer Coptodisca lucifluella (Lepidoptera: Heliozelidae) - Bernardo U., van Nieukerken E.J., Sasso R., Gebiola M., Gualtieri L., Viggiani G. - Bulletin of Entomological Research, 105:210-224
  • 2015 - An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: Taxonomic and ecological implication - Gebiola M., Bernardo U., Ribes A., Gibson G. - Zoological journal of the Linnean Society, 173: 352-423
  • 2015 - Genetic diversity of the invasive gall wasp Leptocybe invasa (Hymenoptera: Eulophidae) and of its Rickettsia endosymbiont, and associated sex-ratio differences - Nugnes F., Gebiola M., Monti M.M., Gualtieri L., Giorgini M., Wang J., Bernardo U. - PloS one, 10(5): e0124660
  • 2015 - Molecular phylogenetic analyses and morphological variation point to taxonomic problems among four genera of parasitoid doryctine wasps (Hymenoptera : Braconidae) - Gebiola M., Garonna A.P., Bernardo U., Belokobylskij S.A. - Invertebrate Systematics , 29: 591-609
  • 2014 - Revision and phylogeny of the European species of the Eurytoma morio species group (Hymenoptera: Eurytomidae), parasitoids of bark and wood boring beetles - Delvare G., Gebiola M., Zeiri A., Garonna A.P. - Zoological Journal of the Linnean Society, 171(2):370–421
  • 2014 - Did the parasitoid Pnigalio mediterraneus (Hymenoptera: Eulophidae) track the invasion of the horse chestnut leafminer? - Gebiola M., Lopez-Vaamonde C., Nappo A.G., Bernardo U. - Biological Invasions , 16:843-857
  • 2014 - Characteristics, phenotype, and transmission of Wolbachia in the sweet potato whitefly, Bemisia tabaci (Hemiptera: Aleyrodidae), and its parasitoid Eretmocerus sp. nr. emiratus (Hymenoptera: Aphelinidae) - Chiel E., Kelly S.E., Harris A.M., Gebiola M., Li X., Zchori Fein E., Hunter M.S. - Environmental Entomology, 43(2):353–362
  • 2013 - Native Parasitoids Associated With Dryocosmus Kuriphilus In Tuscany - Panzavolta T., Bernardo U., Bracalini M., Cascone P., Croci F., Gebiola M., Iodice L., Tiberi R., Guerrieri E. - Bulletin Of Insectology , 66:195-201
  • 2013 - Cophylogenetic relationships between Anicetus parasitoids (Hymenoptera: Encyrtidae) and their scale insect hosts (Hemiptera: Coccoide) - Deng J., Yu F., Li H-B., Gebiola M., Desdevises Y., Wu S-A., Zhang Y-Z. - BMC Evolutionary Biology, 13:275
  • 2013 - Description of Synergus castaneus n. sp. (Hymenoptera: Cynipidae: Synergini) Associated with an Unknown Gall on Castanea spp. (Fagaceae) in China - Bernardo U., Gebiola M., Xiao Z., Zhu C.-D., Pujade-Villar J., Viggiani G. - Annals Of The Entomological Society Of America , 106:437-446
  • 2012 - A karyological study of the genus Pnigalio Schrank (Hymenoptera: Eulophidae): Assessing the taxonomic utility of chromosomes at the species level - Gebiola M., Giorgini M., Navone P., Bernardo U. - Bulletin of Entomological Research , 102:43-50
  • 2012 - Integration of molecular, ecological, morphological and endosymbiont data for species delimitation within the Pnigalio soemius complex (Hymenoptera: Eulophidae) - Gebiola M., Gomez-zurita J., Monti M.M., Navone P., Bernardo U. - Molecular Ecology , 21:1190-1208
  • 2012 - First record of a walnut shield bearer Coptodisca (Lepidoptera: Heliozelidae) in Europe - Bernardo U., Sasso R., Gebiola M., Viggiani G. - Journal of Applied Entomology , 136:638-640
  • 2011 - Combined molecular and morphological phylogeny of Eulophidae (Hymenoptera: Chalcidoidea), with focus on the subfamily Entedoninae - Burks R.A., Heraty J.M., Gebiola M., Hansson C. - Cladistics, 27:581–605
  • 2010 - A reevaluation of the generic limits of Pnigalio Schrank based on molecular and morphological evidence - Gebiola M., Bernardo U., Burks R. - Zootaxa , 2484:35-44
  • 2010 - Rickettsia symbionts cause parthenogenetic reproduction in the parasitoid wasp Pnigalio soemius (Hymenoptera: Eulophidae) - Giorgini M., Bernardo U., Monti M.M., Nappo A.G., Gebiola M. - Applied And Environmental Microbiology, 76:2589-2599
  • 2009 - Pnigalio agraules (Walker) and Pnigalio mediterraneus Ferrière and Delucchi (Hymenoptera: Eulophidae): two closely related valid species - Gebiola M., Bernardo U., Monti M.M., Navone P., Viggiani G. - Journal of Natural History , 43:2465-2480
  • 2008 - Species status of two populations of Pnigalio soemius (Hymenoptera: Eulophidae) reared from two different hosts: an integrative approach - Bernardo U., Monti M.M., Nappo A.G., Gebiola M., Russo A., Pedata P.a., Viggiani G. - Biological Control , 46: 293-303