Mosquito Fauna of Key Largo, Florida

DeMay, David J.; Hribar, Lawrence J.

doi:10.2987/5768.1

Cited by 5 publications

(6 citation statements)

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“…No mosquito counts were obtained during week 9 (early March). Weekly trapping protocol was identical to that described by DeMay and Hribar (2008). Eight of the trap sites utilized in this study were the same sites used in the previously cited study: Cross Key, Crocodile Lake NWR, Key Largo Dump, County Road 905, Key Largo Gun Club, Bayberry Lane, Gulfstream Trailer Park, and the Wild Bird Center.…”

Section: Methodsmentioning

confidence: 99%

“…Eight of the trap sites utilized in this study were the same sites used in the previously cited study: Cross Key, Crocodile Lake NWR, Key Largo Dump, County Road 905, Key Largo Gun Club, Bayberry Lane, Gulfstream Trailer Park, and the Wild Bird Center. Site descriptions may be found in DeMay and Hribar (2008). The other four sites are described below.…”

Section: Methodsmentioning

confidence: 99%

“…The black salt marsh mosquito, Aedes taeniorhynchus Wiedemann, is the most abundant mosquito on Key Largo (DeMay and Hribar 2008). It is a serious nuisance pest and it has been found naturally infected with Everglades virus, St. Louis Encephalitis virus, and West Nile virus; recently it has been implicated as a potential vector of Rift Valley Fever virus (Hodapp et al 1966, Chamberlain et al 1969, Sudia et al 1969, Hribar et al 2003, 2004, Turell et al 2008).…”

Section: Introductionmentioning

confidence: 99%

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The association between meteorological variables and the abundance of Aedes taeniorhynchus in the Florida Keys

Hribar

DeMay

Lund

2010

Journal of Vector Ecology

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The black salt marsh mosquito, Aedes taeniorhynchus, is a serious nuisance pest and a potential vector of a number of arboviruses. This study examined the effect of wind direction, wind speed, temperature, and time of year on the abundance of Ae. taeniorhynchus collected in CO 2 -baited light traps at 12 sites in the Florida Keys during 2004. The dependent variable analyzed was the natural log of weekly mosquito abundance. The previous week's wind speed and wind direction, and the current week's temperature were used as independent variables. Simple and multiple linear regression models were used to assess the significance and nature of association between the meteorological variables and the natural log of mosquito abundance, and to determine whether the meteorological variables had significant associations with mosquito abundance after also controlling for time of year. Week of year was treated as a circular independent variable in the regression models, using the sine and cosine of week in radians to model the periodic seasonal fluctuation in mosquito abundance. Mosquito abundance was significantly associated with all meteorological variables and with week of year. Individually, previous week's wind speed and wind direction, and current week's temperature were able to explain respectively 24.5%, 24.5%, and 52.1% of the variation in mosquito abundance observed over the year. Week of year had the strongest individual association with mosquito abundance, explaining 65.7% of the variation in mosquito abundance. The meteorological variables were still significantly associated with mosquito abundance, after controlling for week of year. Week and the meteorological variables together explained 79.2% of the variation in mosquito abundance. The regression models fit to the data from this study suggest a strong periodic seasonal variation in mosquito abundance, with meteorological conditions explaining a significant portion of the variation beyond the seasonal trend. Journal of Vector Ecology 35 (2): 339-346. 2010.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The association between meteorological variables and the abundance of Aedes taeniorhynchus in the Florida Keys

Hribar

DeMay

Lund

2010

Journal of Vector Ecology

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“…At least six Anopheles species are present in extreme southern Florida, including various members of the Anopheles crucians and Anopheles quadrimaculatus species complexes 20 . In adjacent areas with habitats similar to those around Flamingo, Anopheles atropos is the most abundant Anopheles species and is among the most abundant mosquito species 31 . Visible characters and coloration are consistent with Anopheles atropos (Fig.…”

Section: Resultsmentioning

confidence: 99%

“…The mosquitoes observed landing on manatees at the Flamingo Marina can confidently be identified as species of Aedes, Anopheles, and Culex, subgenus Melanoconion, all of which include species that are the primary vectors of various pathogens. Based on morphology 20 and abundance patterns of mosquitoes in Everglades National Park and surrounding areas 26,31 , it is likely that these mosquitoes are Aedes taeniorhynchus, Anopheles atropos and Culex iolambdis. In Florida, mosquitoes of these genera are important in the transmission of pathogens, but none of these possible species are primary vectors for pathogens of known medical or veterinary importance.…”

Section: Resultsmentioning

confidence: 99%

Interactions between the imperiled West Indian manatee, Trichechus manatus, and mosquitoes (Diptera: Culicidae) in Everglades National Park, Florida, USA

Reeves

Gillett-Kaufman

2020

Sci Rep

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Arthropod-borne viruses (arboviruses), including those vectored by mosquitoes, have recently been cited as potential emerging health threats to marine mammals. Despite the fully aquatic habits of cetaceans, immunologic exposure to arboviruses including West nile virus and eastern equine encephalitis virus has been detected in wild Atlantic bottlenose dolphins, and captive orcas have been killed by West nile virus and St. Louis encephalitis virus. currently, there is no evidence of direct interactions between mosquitoes and marine mammals in nature, and it remains unknown how wild cetaceans are exposed to mosquito-vectored pathogens. Here, we report the first evidence of direct interactions between an aquatic mammal, the West indian manatee, a federally threatened species, and mosquitoes in nature. observations of manatees in everglades national park, florida, USA, indicate that mosquitoes of three genera, Aedes, Anopheles, and Culex are able to locate and land on surface-active manatees, and at minimum, penetrate and probe manatee epidermis with their mouthparts. Whether mosquitoes can successfully take a blood meal is not known; however, an arbovirus-infected mosquito can inoculate extravascular host tissues with virus-infected saliva during probing. these observations suggest that it is possible for marine mammals to be exposed to mosquito-vectored pathogens through direct interactions with mosquitoes. The importance of mosquitoes to domesticated animal and human health, as the vectors of disease-causing pathogens, is widely recognized. Less well understood is the importance of mosquitoes in ecosystems and their impact on wildlife health 1. Female mosquitoes of most species require a blood meal, taken from another animal, in order to obtain proteins necessary to complete egg development 2. This requirement can facilitate the transmission of diverse pathogens, particularly viruses, protozoa, and helminths, between vertebrate hosts. The host-use patterns of mosquitoes vary by species. Mosquitoes take blood from all major terrestrial vertebrate classes: Amphibia, Aves, Mammalia, and Reptilia, and at least one is an invertebrate specialist of Annelida hosts 3. Most mosquitoes specialize on particular types (e.g., endo-or ectothermic animals) or classes of host animals, with a few mosquito species that are relative generalists. Mosquitoes are well known to take blood from host animals that are amphibious or primarily aquatic. Some mosquito species are host specialists of frogs, including ranids that are closely associated with aquatic habitats 4-6 , and fishes, e.g., mudskippers, other gobies, and eels 7,8. Crocodilians 9,10 , and semi-aquatic snakes and turtles (e.g., Agkistrodon piscivorus, Python bivittatus, and Trachemys scripta) often serve as hosts for opportunistic mosquitoes 11-13. There is no direct evidence of interactions between mosquitoes and marine mammals in nature, however, mosquito-vectored viruses (e.g., West Nile virus, Eastern equine encephalitis virus, St. Louis encephalitis virus, and Venezuela...

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Mosquito Fauna of Wilderness Islands Within the National Key Deer Refuge and the Great White Heron National Wildlife Refuge, Monroe County, Florida

Leal

Hribar

2010

Journal of the American Mosquito Control Association

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Dry ice-baited light traps, counts of mosquitoes biting and landing on technicians, and larval surveillance were used to determine mosquito species abundance on Annette Key, Little Knockem-down Key, Little Pine Key, Raccoon Key, and the Water Keys, all of which are located offshore, within the National Key Deer Refuge and Great White Heron National Wildlife Refuge in Monroe County, FL. Due to the close proximity of these wilderness islands to the inhabited islands of the Florida Keys, it is important to understand the abundance and composition of the mosquitoes and the effects they may have on populations on inhabited islands. Thirty different species were collected during 2004-2008. Aedes taeniorhynchus, the black salt-marsh mosquito, was the most abundant mosquito species collected at all locations. Other mosquitoes collected in large numbers at all locations were Anopheles atropos, Culex bahamensis, Cx. nigripalpus, and Deinocerites cancer. Because these wilderness islands are difficult to traverse due to vegetative growth, the placement of mosquito traps close to the perimeter of the islands may influence assessment of the abundance and diversity of mosquito species collected on each island.

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Mosquito Fauna of Key Largo, Florida

Abstract: A total of 28 species of mosquitoes was collected in dry-ice-baited light traps on Key Largo, Florida during 2002-2004. Total number of mosquitoes increased each year during the study.

Cited by 5 publications

References 10 publications

The association between meteorological variables and the abundance of Aedes taeniorhynchus in the Florida Keys

The association between meteorological variables and the abundance of Aedes taeniorhynchus in the Florida Keys

Interactions between the imperiled West Indian manatee, Trichechus manatus, and mosquitoes (Diptera: Culicidae) in Everglades National Park, Florida, USA

Mosquito Fauna of Wilderness Islands Within the National Key Deer Refuge and the Great White Heron National Wildlife Refuge, Monroe County, Florida

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