@article{fdi:010066160, title = {{P}henotypic variability confirmed by nuclear ribosomal {DNA} suggests a possible natural hybrid zone of {T}riatoma brasiliensis species complex}, author = {{C}osta, {J}. and {B}argues, {M}. {D}. and {N}eiva, {V}. {L}. and {L}awrence, {G}. {G}. and {G}umiel, {M}. and {O}liveira, {G}. and {C}abello, {P}. and {L}ima, {M}. {M}. and {D}otson, {E}. and {P}rovance, {D}. {W}. and {A}lmeida, {C}. {E}. and {M}ateo, {L}. and {M}as-{C}oma, {S}. and {D}ujardin, {J}ean-{P}ierre}, editor = {}, language = {{ENG}}, abstract = {{T}riatoma brasiliensis macromelasoma occurs in {P}ernambuco state, {B}razil, which is situated between the distribution areas of {T}riatoma brasiliensis brasiliensis (north) and {T}riatoma juazeirensis (south). {T}. b. macromelasoma displays greater variations in its chromatic phenotype than either {T}. b. brasiliensis or {T}. juazeirensis, and patterns reminiscent of one or the other. {E}xperimental crosses from each of these members of the {T}. brasiliensis species complex generated fertile offspring suggesting that viable hybrids could be present in nature, despite their significant genetic distances. {C}onsidering the geographical position of occurrence of the {T}. b. macromelasoma (in {P}ernambuco) it was proposed to be an area capable of supporting natural hybridization between {T}. b. brasiliensis and {T}. juazeirensis. {S}ince phenotypic variability is expected, this study investigated the existence of intermediate chromatic phenotypes for {T}. b. macromelasoma in various locations in areas between the {T}. b. brasiliensis and {T}. juazeirensis occurrences. {T}hirteen different color patterns were for the first time characterized and nine of those displayed intermediate phenotypes. {M}olecular analysis performed using ribosomal {DNA} intergenic region, grouped all within the {T}. brasiliensis complex. {T}he intermediate chromatic phenotypes, molecular analysis and experimental crosses all support the distinction of a zone of hybridization that gave rise to the {T}. b. macromelasoma through homoploidal evolution.}, keywords = {{T}riatominae ; {P}henotype ; {S}peciation ; {H}ybridization ; {E}pigenetics ; {BRESIL}}, booktitle = {}, journal = {{I}nfection {G}enetics and {E}volution}, volume = {37}, numero = {}, pages = {77--87}, ISSN = {1567-1348}, year = {2016}, DOI = {10.1016/j.meegid.2015.10.025}, URL = {https://www.documentation.ird.fr/hor/fdi:010066160}, }