Aedes

Distinguished from other mosquito genera by the combination of diurnal biting behavior and conspicuous black and white banding on the body and legs. Culex mosquitoes typically bite at night and lack such bold patterning. Anopheles mosquitoes have spotted wings and rest with the body angled relative to the surface. Aedes species can be further differentiated by larval characters including the position and structure of the siphon and comb scales, though species-level identification often requires examination of genitalia or genetic analysis.

Medium-sized mosquitoes with distinctive black and white or silver banding patterns on the legs and body. Many species display patches or stripes of pale scales against a dark background. The scutum often shows characteristic markings. Wing veins typically bear dark and pale scales in distinct patterns.

Diverse habitats ranging from natural tree holes and rock pools to artificial containers in urban environments. Many invasive species thrive in human-modified landscapes, breeding in flowerpots, water storage containers, discarded tires, and other water-holding objects. Native species occupy tropical and subtropical forests, savannas, and coastal zones.

Originally tropical and subtropical zones worldwide; now present on all continents except Antarctica. Aedes aegypti and Aedes albopictus have established populations in the southern United States, with suitability extending to 71% and 75% of counties respectively. In Europe, Ae. albopictus occurs along the Mediterranean coast and has expanded northward to Switzerland, Germany, and the Netherlands. In Russia, both species occur on the Black Sea coast. In China, Ae. aegypti is restricted to tropical regions and the Yunnan border, while Ae. albopictus is widespread south of 41°N latitude.

Activity periods vary by species and climate. In temperate regions, active primarily during warmer months. In China, Ae. aegypti is present April through October with peak activity May-June. In Italy, Ae. albopictus is active June through October. Year-round activity occurs in tropical regions. Eggs can survive extended dry periods, allowing rapid population increase following rainfall.

Females are blood-feeders, requiring blood meals for egg development. Both sexes feed on nectar and other sugar sources. Specific host associations vary by species; many are generalist feeders while others show preference for humans.

• Humans - blood hostPrimary host for many synanthropic species including Ae. aegypti and Ae. albopictus
• Arboviruses - vectorTransmit dengue, yellow fever, Zika, chikungunya, and other viruses

Complete metamorphosis with four stages: egg, larva, pupa, and adult. Eggs are laid singly on damp surfaces just above the water line, hatching when flooded. Larvae pass through four instars, feeding on organic matter in water. Pupae are mobile but non-feeding. Adults emerge from pupae at the water surface. Many species produce eggs that withstand desiccation for months or years.

Diurnal biting activity with peak periods in early morning and late afternoon to dusk, contrasting with the nocturnal habits of most mosquitoes. Some species are strongly synanthropic, breeding exclusively in artificial containers near human habitation. Adults are relatively weak fliers, typically traveling short distances, though passive dispersal via human transportation has facilitated long-range invasion. Males do not bite.

Pollinators of some plants through nectar feeding. Larvae serve as food for aquatic predators including fish and aquatic insects. As disease vectors, they maintain transmission cycles of arboviruses between humans and non-human primates in enzootic settings. Invasive populations alter local mosquito community dynamics through competition.

Major vectors of human disease including dengue fever, yellow fever, Zika virus, and chikungunya. The WHO estimates dengue causes approximately 40,000 deaths annually. Control efforts include insecticides, source reduction of breeding containers, mosquito traps, insect repellents, and emerging genetic technologies such as sterile male release. Invasive spread has been facilitated by the international used-tire trade and other human activities.

• CulexNocturnal biting behavior; lacks bold black and white banding; rests with body parallel to surface
• AnophelesSpotted wings; rests with body at angle to surface; typically nocturnal
• OchlerotatusHistorically treated as subgenus of Aedes; some authorities now recognize as separate genus; morphological and genetic distinctions exist

• mosquito
• vector
• disease vector
• invasive species
• diurnal
• container breeder

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life
• Geoffrey Attardo: Invasive Mosquito Populations Moving Throughout California | Bug Squad
• Geoffrey Attardo: Growing Presence of This Mosquito: 'A Major Public Health Threat' | Bug Squad
• Three-Quarters of U.S. Has Suitable Climate for Aedes aegypti and Aedes albopictus Mosquitoes
• Edible Plant Oils Show Potential for Management of Aedes aegypti
• Another Invasive Mosquito Species Arrives in Florida
• Scientists Track Mosquitoes that Transmit Zika and Dengue by County
• Pest control of Aedes Aegypti and Aedes Albopictus mosquitoes
• Distribution areas and monthly dynamic distribution changes of three Aedes species in China: Aedes aegypti, Aedes albopictus and Aedes vexans
• About modern areal of mosquito Aedes (Stegomyia) aegypti i Aedes (Stegomyia) albopictus in Europe and Russia
• Aedes aegypti Mosquitoes from Central Vietnam Feature Specific Viromic Profiles Linked to Dengue Virus Coinfection.
• Host-Seeking and Sugar-Feeding Behaviors of Aedes aegypti in Nouakchott, Mauritania: Implications for Dengue Transmission.