@article{fdi:010044330, title = {{M}orphological evidence suggests homoploid hybridization as a possible mode of speciation in the {T}riatominae ({H}emiptera, {H}eteroptera, {R}eduviidae)}, author = {{C}osta, {J}. and {P}eterson, {A}. {T}. and {D}ujardin, {J}ean-{P}ierre}, editor = {}, language = {{ENG}}, abstract = {{A}ll known significant insect vectors of {T}rypanosoma cruzi are members of the {R}eduviidae, subfamily {T}riatominae. {I}nfections with this parasite are the cause of {C}hagas disease, the single most costly parasitic disease in the {W}estern {H}emisphere. {T}he {T}riatominae are almost completely restricted to the {A}mericas, with >130 species distributed in several foci of species richness and endemism; nevertheless, the processes involved in the diversification of this group remain poorly understood. {T}he {T}riatoma brasiliensis species complex was recently proposed based on geography, morphology, ecology, and molecular data, and is believed to comprise two species and two subspecies. {H}ere, we report results from a broad series of studies, in which first-generation offspring of experimental crosses were studied in terms of wing morphometry and phylogenetic position. {M}orphometrics, morphological, ecological and geographic analyses were consistent with the hypothesis of {T}. brasiliensis macromelasoma as a product of hybridization between two others ({T}. brasiliensis brasiliensis and {T}. juazeirensis). {A}lthough evidence is supportive of the hypothesis of speciation via hybridization as a mode of triatomine diversification, the case is not as-yet conclusive, and confirmation via molecular markers is necessary.}, keywords = {{T}. b. brasiliensis ; {T}. b. macromelasoma ; {T}. juazeirensis ; {C}hagas ; disease vectors ; {S}peciation ; {H}ybridization}, booktitle = {}, journal = {{I}nfection {G}enetics and {E}volution}, volume = {9}, numero = {2}, pages = {263--270}, ISSN = {1567-1348}, year = {2009}, DOI = {10.1016/j.meegid.2008.12.005}, URL = {https://www.documentation.ird.fr/hor/fdi:010044330}, }