Grass Infusions in Autocidal Gravid Ovitraps to Lure Aedes Albopictus

Aedes albopictus is a vector of several pathogens of significant public health concern. In this situation, gravid traps have become a common surveillance tool for Aedes spp., which commonly use hay infusions as an attractant. Diverse grass infusions have been assessed to enhance the attraction to th...

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Published inJournal of the American Mosquito Control Association Vol. 40; no. 1; pp. 71 - 74
Main Authors Aguilar-Durán, Jesús A, Garay-Martínez, Jonathan R, Fernández-Santos, Nadia A, García-Gutiérrez, Cipriano, Estrada-Franco, José G, Palacios-Santana, Ricardo, Rodríguez-Pérez, Mario A
Format Journal Article
LanguageEnglish
Published United States American Mosquito Control Association 01.03.2024
Subjects
Aedes
Aedes albopictus
Aquatic insects
Attraction
Baits
Binomial distribution
Bioassays
Females
Grasses
Insect control
Mosquitoes
Oviposition
Pathogens
Public health
Surveillance
Traps
grass infusion
Aedes albopictus
attractant
ovitraps
bait
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Summary:Aedes albopictus is a vector of several pathogens of significant public health concern. In this situation, gravid traps have become a common surveillance tool for Aedes spp., which commonly use hay infusions as an attractant. Diverse grass infusions have been assessed to enhance the attraction to this vector mosquito. However, these studies have focused on the oviposition effect, and the attraction potential to gravid Ae. albopictus females has not been evaluated yet. Here we report the attractiveness of infusions of 4 different botanical species (Cenchrus purpureus, Cyanodon dactylon, Megathyrus maximus, Pennisetum ciliare) as baits in sticky ovitraps and autocidal gravid ovitraps (AGOs) under laboratory, semifield, and field conditions. In the laboratory, Cynodon dactylon showed attractiveness, whereas in semifield conditions, both C. dactylon and Megathyrsus maximus were similarly attractive for gravid Ae. albopictus. None of the infusions conducted with AGOs were able to lure Ae. albopictus and other species of mosquitoes in a 14-wk field experiment. Our results demonstrate the feasibility of finding more attractive infusions for Ae. albopictus females to improve the efficacy of AGO traps, but further testing of infusions in AGOs in field settings is needed.
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ISSN:8756-971X
1943-6270
DOI:10.2987/23-7157