Analysis of the Behavior of Triatoma bolivari found near Chamela, MX
Triatoma sp
- Vector of Chagas disease in mammals
- Blood is only food source and may contain T. cruzi in feces
Triatoma bolivari
- Research at EBCh recently found 46% of T. bolivari infected with T. cruzi .
- Most T. bolivari were collected near outdoor lights near EBCh buildings.
- Light attraction by triatomines is considered an infestation risk factor for human dwellings.
- Feed on squirrels, deer, toads, and other animals
Trials & Methods
Attraction towards Lights

- Tested preference for Color Temperature (Kelvins)
Attraction towards heat (Thermal tests)
- Cup hot water - no effect seen
Attraction towards carbon dioxide.
- Alka-seltzer disolving in cup with water - no effect seen
Attraction towards other insects / noisy insects - no effect seen
- Assortment of different beetles captured
- Container placed on one side of Triatomatron
Findings

- Similar responses towards all lights tested.
- The brightest lights were slightly more attractive.
- Prefered white light over ultraviolet lights.
- Too much light caused inactivity.
- Activity of the T. bolovari was recorded during trials and used to graph activity during night.
