Publications by authors named "D Alavez-Rosas"
Article Synopsis
- Triatomines are blood-sucking insects that spread Chagas disease, so trapping them is essential for reducing human contact and controlling the disease.
- The study tested the attraction of different triatomine species to volatiles from fermented products and commercial lures using double-choice bioassays.
- The results showed that volatiles from lactic fermentation and some fermented fruits effectively attracted triatomines, indicating their potential for disease control, while some products seemed to repel the insects.
Article Synopsis
- Chagas disease, caused by Trypanosoma cruzi and transmitted by triatomine bugs, relies on effective trapping methods to control the insect population.
- Researchers optimized a box trap design to capture four triatomine species by varying materials, colors, heights, and bait attractants to determine the most effective combinations.
- The study found that corrugated cardboard traps were the most effective overall, with different species showing preferences for specific trap sizes, colors, and bait combinations, providing a promising alternative strategy for managing Chagas disease transmission.
Article Synopsis
- The study focuses on how aggregation occurs among triatomine bugs, which are attracted to specific signals or cues, particularly from feces of both their own and other species.
- Researchers examined the effect of volatile compounds found in the feces of the Triatoma pallidipennis species, discovering that certain short-chain aldehydes significantly attracted their nymphs.
- The most effective blend of these compounds included four particular aldehydes, suggesting potential for using these signals in pest control strategies, though their exact role as pheromones or cues is still under investigation.
Article Synopsis
- Aggregation is a behavior seen in many animals, including triatomines, which are blood-sucking bugs that transmit Chagas disease to mammals, including humans.
- Triatomines use aggregation pheromones, the specific chemical structures of which were previously unknown, to gather in hiding spots, and this research aims to identify these pheromones to reduce human contact with the bugs.
- The study discovered that triatomines produce short-chain aldehydes to attract and nitrogen-derived compounds to arrest other bugs, with variations in these compounds depending on whether the bugs were infected with the disease.
Calling males of release volatile compounds to attract conspecific males to form leks and females to mate. Male volatiles from Mexican and Brazilian populations of . have been previously identified.
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