AI 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 Abstract
Triatomines (Hemiptera: Heteroptera: Reduviidae) are hematophagous insects, well-known for their vectorial role in transmitting Chagas (Kinetoplastida: Trypanosomatidae) parasites, the etiological agent of Chagas disease. Trapping these insects would limit human-triatomine interaction and, thus, control the disease. In this context, there is a critical need for effective lures to control triatomines. Through double-choice bioassays, we investigated the preference of Klug, Stal, and Stal triatomines for: (a) volatiles from fermented products (various fermentation types and substrates) and (b) commercial insect lures. Furthermore, we identified the chemical composition of these volatiles through headspace collection using Solid Phase Micro Extraction coupled with Gas Chromatograph-Mass Spectrometer (HS-SPME-GC-MS). Volatiles from lactic fermentation and certain fermented fruits, along with commercial lures, attracted triatomines, while other products exhibited possible repellent or dislodging properties. These findings hold promise for the control of triatomines and, ultimately, Chagas disease.
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| http://dx.doi.org/10.1017/S0007485324000634 | DOI Listing |
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