Aedes aegypti (Diptera: Culicidae) Abundance Model Improved With Relative Humidity and Precipitation-Driven Egg Hatching

Joceline Lega, Heidi E. Brown, Roberto Barrera

Research output: Research - peer-reviewArticle

Abstract

We propose an improved Aedes aegypti (L.) abundance model that takes into account the effect of relative humidity (RH) on adult survival, as well as rainfall-triggered egg hatching. The model uses temperature-dependent development rates described in the literature as well as documented estimates for mosquito survival in environments with high RH, and for egg desiccation. We show that combining the two additional components leads to better agreement with surveillance trap data and with dengue incidence reports in various municipalities of Puerto Rico than incorporating either alone or neither. Capitalizing on the positive association between disease incidence and vector abundance, this improved model is therefore useful to estimate incidence of Ae. aegypti-borne diseases in locations where the vector is abundant year-round.

LanguageEnglish (US)
Pages1375-1384
Number of pages10
JournalJournal of medical entomology
Volume54
Issue number5
DOIs
StatePublished - Sep 1 2017

Fingerprint

Aedes
Humidity
Culicidae
Diptera
Ovum
Incidence
Aedes aegypti
relative humidity
hatching
incidence
Disease Vectors
Puerto Rico
Desiccation
Dengue
Temperature
disease vectors
dengue
disease incidence
traps
rain

Keywords

  • arboviral transmission
  • invasive species
  • modeling
  • mosquito control
  • mosquito-borne disease

ASJC Scopus subject areas

  • Parasitology
  • veterinary(all)
  • Insect Science
  • Infectious Diseases

Cite this

Aedes aegypti (Diptera : Culicidae) Abundance Model Improved With Relative Humidity and Precipitation-Driven Egg Hatching. / Lega, Joceline; Brown, Heidi E.; Barrera, Roberto.

In: Journal of medical entomology, Vol. 54, No. 5, 01.09.2017, p. 1375-1384.

Research output: Research - peer-reviewArticle

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