The worldwide invasion of the blue gum chalcid was attributed to a single thelytokous morphospecies formally described in 2004.
Francesco Nugnes, Marco Gebiola, Maurilia Maria Monti, Liberata Gualtieri, MassimoGiorgini, Jianguo Wang, Umberto Bernardo 2015, 'Genetic Diversity of the Invasive Gall Wasp Leptocybe invasa (Hymenoptera: Eulophidae)and of its Rickettsia Endosymbiont, and Associated Sex-Ratio Differences', PLOS ONE10.1371/journal.pone.0124660. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Flow cytometry of three-allele individuals revealed that they were triploid and arose from the fertilization of a thelytokous fusion nucleus.
Benjamin P. Oldroyd, Sarah E. Aamidor, Gabriele Buchmann, Michael H. Allsopp, EmilyJ. Remnant, Fan F. Kao, Rebecca J. Reid, Madeleine Beekman 2018, 'Viable Triploid Honey Bees (Apis mellifera capensis) Are Reliably Produced in theProgeny of CO2 Narcotised Queens', G3: Genes, Genomes, Geneticshttp://g3journal.org/lookup/doi/10.1534/g3.118.200614. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)