Introduction
For the first time we provide the description of the melanic (dark) morphotype of Rhodnius nasutus and determine the pattern of genetic inheritance for this characteristic.
Methods
Dark morph R. nasutus specimens were crossbred with standard (typically patterned) R. nasutus.
Results
We present the first occurrence of the melanic morphotype in the genus Rhodnius. The crossbreeding results demonstrate that the inheritance pattern of this characteristic follows Mendel's simple laws of segregation and an independent assortment of alleles.
Conclusions
Phenotypic variation of R. nasutus reinforces the heterogeneity found in the Triatominae. Descriptions of new species in this subfamily require rigorous validation criteria.
Triatominae; Rhodnius nasutus ; Dark morph; Cross-experiment; Melanic pattern
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