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At least 217 records · Page 12Linked to original sources
PubMed1987

An economic assessment of the benefits of mosquito abatement in an organized mosquito control district.

A case study application of contingent valuation to the measurement of mosquito program benefits is presented. Annual program benefits in Jefferson County, TX are estimated to exceed costs by 1.8 times. Mean household benefits are $22.44 for owners and $18.96 for renters. Using ordinary least squares procedures these household benefits were found to be related to household socioeconomic characteristics, effectiveness of control efforts and environmental concerns.

Cost-Benefit Analysis↗
PubMed2003

Genomics spawns novel approaches to mosquito control.

In spite of advances in medicine and public health, malaria and other mosquito-borne diseases are on the rise worldwide. Although vaccines, genetically modified mosquitoes and safer insecticides are under development, herein we examine a promising new approach to malaria control through better repellents. Current repellents, usually based on DEET, inhibit host finding by impeding insect olfaction, but have significant drawbacks. We discuss how comparative genomics, using data from the Anopheles genome project, allows the rapid identification of members of three protein classes critical to insect olfaction: odorant-binding proteins, G-protein-coupled receptors, and odorant-degrading enzymes. A rational design approach similar to that used by the pharmaceutical industry for drug development can then be applied to the development of products that interfere with mosquito olfaction. Such products have the potential to provide more complete, safer and longer lasting protection than conventional repellents, preventing disease transmission by interrupting the parasite life cycle.

Animals↗
PubMed2005

Evaluating the risk of potential acid sulfate soils and habitat modification for mosquito control (runneling) in coastal salt marshes: comparing methods and managing the risk.

Coastal environments in Australia are under development pressures. Human settlement encroaches on disease vector salt marsh mosquito breeding areas that are underlain by potential acid sulfate soils (PASS). Altering the hydrology by runneling solves the mosquito problem but may lead to acid sulfate problems. Appropriate analytical tools can assess the risk to the environment. The objective of the research was to compare three methods of assessing PASS. The study area was a low-lying intertidal subtropical salt marsh that was being considered for runneling. The results indicated that using field pH and field peroxide pH (and the relationship between these), and also the peroxide oxidation-combined acidity and sulfate (POCAS) test, appeared to overestimate the potential acidity. This was because the source of acidity in the intertidal salt marsh includes a large organic content, which is not a major environmental concern. The chromium-reducible sulfur test, which is not affected by organic content, was found to provide the most appropriate assessment, and is recommended for use in highly organic salt marshes.

Ecosystem↗
PubMed1991

Botanical derivatives in mosquito control: a review.

A review on the reported uses of chemicals derived from botanical sources is presented, along with the part of the plant used for extraction, the mosquito species studied and the bioactivity observed for 344 plant species. Examples of phytochemicals evaluated against mosquitoes as general toxicants, growth and reproduction inhibitors, repellents and ovipositional deterrents are given. The effects of mosquito species and life stage specificity, solvents used for extraction, phototoxic activity and the geographical source from where the plant compounds are derived are discussed.

Aedes↗
PubMed1993

Emergency mosquito control associated with Hurricane Andrew--Florida and Louisiana, 1992.

Hurricane Andrew crossed south Florida on August 24, 1992 entered the Gulf of Mexico, and struck the Louisiana coast on August 26. In Florida, an estimated 25,000 housing units were destroyed and 37,000 severely damaged in a 200,000-acre area in the southern portion of Dade County; in Louisiana, an estimated 25,000 housing units were destroyed or severely damaged by the storm, primarily in the coastal sections of the 36-parish disaster area. Initial assessment of the disaster areas indicated a need for vector surveillance and control (1). This report summarizes actions to assess and alleviate mosquito-related problems in Florida and Louisiana.

Disasters↗
PubMedDate not supplied

[Observations on malaria vectors in Mozambique. I. The status of Anopheles populations before the start of mosquito control].

The basic status parameters of populations of the main malaria vectors (Anopheles arabiensis and An. funestus) in the vicinity of the city of Maputo, Mozambique, were considered, such as mosquito density and its seasonal variation, female biting activity rate, degree of mosquito-man contact, degree of exophilia and endophagy, physiological age of females, duration of gonotrophic cycle, sporozoite index, vectorial capacity, entomological inoculation rate.

Animals↗