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Published on: June 23, 2018
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Antennal sensilla of Rhodnius
Silvia Catalá1, Christopher Schofield2
1Cátedra de Biología Celular, FCEFN, Universidad Nacional de Córdoba, Córdoba 5000, Argentina.
Journal of Morphology
|June 6, 2018
Summary
Scanning electron microscopy revealed sensilla patterns on Rhodnius antennae. These patterns, showing no sexual dimorphism, aid in species identification and align with other scientific findings.
Area of Science:
- Entomology
- Morphology
- Taxonomy
Background:
- The antennae of insects harbor various sensilla crucial for sensory perception.
- Accurate species identification is fundamental in entomological research, particularly for vectors like Rhodnius.
Purpose of the Study:
- To investigate the types and distribution of sensilla on the antennae of ten Rhodnius species.
- To assess the utility of sensillar patterns for Rhodnius species determination.
- To compare sensillar data with existing biochemical and morphometric findings.
Main Methods:
- Scanning electron microscopy (SEM) was employed to examine antennal sensilla.
- Sensilla were analyzed for type and distribution across ten Rhodnius species.
Main Results:
- No sexual dimorphism was observed in the sensillar patterns.
- Intraspecific variations in sensillar patterns were identified.
- These variations demonstrated potential for distinguishing between Rhodnius species.
Conclusions:
- Antennal sensillar patterns in Rhodnius are a valuable taxonomic character.
- The findings corroborate previous studies using biochemical and morphometric analyses.
- SEM-based sensillar analysis offers a complementary approach to Rhodnius species identification.
