This dataset comprises georeferenced occurrence records of immature Aedes mosquitoes collected during entomological surveys conducted in southern Ghana between 2023 and 2024. The surveys were undertaken to investigate the distribution, breeding ecology, and habitat characteristics of Aedes mosquitoes following the first detection of the invasive species Aedes albopictus in Ghana. Larvae and pupae were collected from natural and artificial water-holding containers in urban and peri-urban communities, reared to adults for morphological identification, and identified to species using standard taxonomic keys. The dataset includes occurrence records for Aedes aegypti, Aedes albopictus, and Aedes vittatus, together with associated spatial, temporal, and habitat information. These records provide valuable baseline data for mosquito surveillance, invasive species monitoring, arbovirus risk assessment, and vector control planning in Ghana.
","language":"eng","citation":{"text":"Afrane Y A, Owusu-Asenso C M, Akuamoah-Boateng Y, Abdulai A, Mohammed Sabtui A R (2026). Aedes larval distribution in Ghana. University of Ghana Medical School. 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species","coverages":[{"scientificName":"Aedes albopictus"},{"scientificName":"Aedes vittatus"},{"scientificName":"Aedes aegypti"}]}],"geographicCoverages":[{"description":"Sampling spanned the Guinea savannah, forest zone and coastal savannah of Ghana","boundingBox":{"minLatitude":4.886974,"maxLatitude":10.980136,"minLongitude":-2.113917,"maxLongitude":0.590857,"globalCoverage":false}}],"temporalCoverages":[{"@type":"range","start":"2017-01-01T00:00:00.000+00:00","end":"2026-07-01T00:00:00.000+00:00"}],"keywordCollections":[{"thesaurus":"GBIF Dataset Type Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_type_2015-07-10.xml","keywords":["Aedes albopictus\nAedes vittatus\nAedes aegypti\nOccurrence\nBiodiversity\nInvasive species\nLarval habitats\nSurveillance\nGhana"]}],"project":{"title":"Occurrence records of Aedes aegypti, Aedes albopictus and Aedes vittatus collected during larval surveys in Ghana (2017–2026)","identifier":"IDIT","contacts":[{"type":"ADMINISTRATIVE_POINT_OF_CONTACT","primary":false,"userId":["https://orcid.org/0000-0001-9069-3979"],"firstName":"Yaw Asare","lastName":"Afrane","position":[],"email":[],"phone":[],"homepage":[],"address":[]}],"funding":"National Institute of Health (https://www.nih.gov/) received by YAA (Grant numbers: R01 A1123074 and D43 TW 011513).","awards":[],"relatedProjects":[],"abstract":"This project investigates insecticide resistance in mosquito vectors, the transmission dynamics of vector-borne diseases, and malaria epidemiology in endemic regions. It aims to assess the spatial and temporal patterns of insecticide resistance, identify underlying genetic and biochemical mechanisms in vector populations, and evaluate how resistance impacts malaria and arboviral transmission and control efforts. By integrating entomological surveillance, molecular diagnostics, and epidemiological data, the project provides evidence to guide effective vector control strategies and support malaria elimination efforts and arboviral disease control."},"samplingDescription":{"studyExtent":"Larval surveys were conducted in selected urban, peri-urban and rural communities in Ghana, between 2017 and 2026.","sampling":"Larval surveys were conducted by inspecting natural and artificial water-holding containers within residential and surrounding environments. Positive breeding habitats were sampled using standard larval dippers, pipettes, or plastic droppers depending on container size. Larvae and pupae were transported to the insectary, reared to adults under controlled laboratory conditions, and morphologically identified using standard taxonomic keys.","qualityControl":"Geographic coordinates were recorded in the field using handheld GPS devices. Species identification was performed by trained entomologists using standard morphological identification keys. Dataset quality was verified through validation of taxonomy, geographic coordinates, dates, and metadata prior to publication following GBIF data standards.","methodSteps":["Aedes larvae and pupae were collected from water-holding containers during larval surveys conducted across Ghana. Aedes immatures (larvae and pupa) were transported to the insectary at the University of Ghana Medical School, reared to adults, and identified morphologically using established taxonomic keys. For each occurrence, spatial coordinates, collection date, habitat characteristics, and taxonomic information were recorded and verified prior to publication following GBIF data standards."]},"countryCoverage":[],"collections":[],"dataDescriptions":[],"dataLanguage":"eng","purpose":"The dataset was developed to document the occurrence and geographical distribution of Aedes mosquito larvae in Ghana and to provide baseline information on the establishment of the invasive mosquito Aedes albopictus. The dataset supports mosquito surveillance, biodiversity monitoring, ecological research, vector control programs, and studies investigating the risk of arboviral disease transmission.
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