Field evaluation of sticky BR-OVT traps to collect culicids eggs and adult mosquitoes inside houses

Abstract

The results demonstrated that the sticky BR-OVT trap is a useful tool for the collection of adult culicids of medical importance and offers an innovative way to collect C. quinquefasciatus eggs and adults in a single trap.

Double BR-OVT: a new trap model for collecting eggs and adult mosquitoes from Culex quinquefasciatus and Aedes spp.

“…The good performance of Double BR-OVT in the collection of egg rafts is possibly associated with its attracting characteristics to pregnant females that will perform oviposition 29 and the use of biolarvicide Bti, which has already demonstrated its ability to stimulate oviposition in female culicids 21,29,30 . Similar results were observed by Correia et al 31 and by Xavier et al 23 when evaluating the BR-OVT oviposition trap (3.6 ± 7.6 rafts/residence/ month) and the Sticky BR-OVT trap (0.52 ± 1.52 rafts/ residence/28 days), respectively, in Olinda, Pernambuco State, Brazil. Xavier et al 23 have also observed that the Sticky BR-OVT trap, similar to the Double BR-OVT trap, showed an important operational gain: the ability to aggregate the concomitant collection of eggs and adult C. quinquefasciatus mosquitoes.…”

“…Similar results were observed by Correia et al 31 and by Xavier et al 23 when evaluating the BR-OVT oviposition trap (3.6 ± 7.6 rafts/residence/ month) and the Sticky BR-OVT trap (0.52 ± 1.52 rafts/ residence/28 days), respectively, in Olinda, Pernambuco State, Brazil. Xavier et al 23 have also observed that the Sticky BR-OVT trap, similar to the Double BR-OVT trap, showed an important operational gain: the ability to aggregate the concomitant collection of eggs and adult C. quinquefasciatus mosquitoes. This finding demonstrates the viability of this trap as a surveillance strategy for C. quinquefasciatus.…”

“…The Double BR-OVT trap is a tool derived from the adaptation of the Sticky BR-OVT trap 23 and can simultaneously collect eggs and adult mosquitoes of C. quinquefasciatus and Aedes spp. To contribute to the development of instruments to act in the surveillance and control of culicid vectors, in this study, we evaluated the performance of the Double BR-OVT for monitoring vectors and for the massive collection of culicids.…”