Public-health-pest
Guides
Aedes albopictus
Asian tiger mosquito, forest mosquito, tiger mosquito
Aedes albopictus, the Asian tiger mosquito, is a highly invasive vector species native to tropical and subtropical Southeast Asia. It has spread globally through human commerce, particularly via used tires and shipping containers. The species is distinguished by striking black and white banded legs and a white dorsal thoracic stripe. It is a significant public health threat as an efficient vector for dengue, chikungunya, Zika, and other arboviruses. Unlike many mosquitoes, it bites during daytime hours and thrives in urban environments, breeding in small artificial water containers.
Culicidae
mosquitoes, mosquito
Culicidae, commonly known as mosquitoes, is a family of small flies in the order Diptera. Females of most species are ectoparasites that feed on vertebrate blood using specialized piercing-sucking mouthparts, while males feed exclusively on plant nectar and other sugar sources. The family includes thousands of species distributed worldwide, with many serving as vectors for significant human and animal diseases including malaria, yellow fever, dengue, and West Nile virus. Mosquitoes require standing water to complete their aquatic larval and pupal stages.
Pediculus
sucking lice
Pediculus is the sole genus in the family Pediculidae, comprising obligate ectoparasitic sucking lice that infest primates. The genus includes species specialized to exploit distinct microhabitats on their hosts: Pediculus humanus humanus (body louse) inhabits clothing and body hair, while P. humanus capitis (head louse) is restricted to scalp hair. These insects are dorsoventrally flattened, wingless, and possess highly modified legs with clawed tarsi adapted for gripping hair shafts. All species feed exclusively on blood, making them significant pests and disease vectors of humans.
Pediculus humanus capitis
Human Head Louse, Head Louse
The human head louse is an obligate ectoparasite specialized for life on human scalp hair. Unlike its close relative the body louse, it has remained associated with hair rather than clothing throughout human evolution. Populations in many regions have developed widespread resistance to pyrethrin and permethrin insecticides, complicating control efforts. Transmission occurs primarily through direct head-to-head contact, with infestations clustering in settings where children interact closely.
Periplaneta
Periplaneta is a genus of large cockroaches in the family Blattidae, containing several species with cosmopolitan distributions that have become significant urban pests worldwide. The genus includes well-known species such as Periplaneta americana (American cockroach), Periplaneta lateralis (Turkestan cockroach), and Periplaneta japonica (Asian cockroach). These species are characterized by their relatively large size, flattened bodies, and long antennae. Many Periplaneta species have been spread globally through human commerce and travel, with some showing remarkable adaptability to diverse climates including cold-tolerant species capable of surviving freezing temperatures.
Wasmannia
Wasmannia is a genus of small myrmicine ants in the tribe Attini, established by Forel in 1893. The genus contains approximately 10 described species distributed across the Neotropics, with the most notable being Wasmannia auropunctata, commonly known as the electric ant or little fire ant. This species has achieved global notoriety as one of the world's most destructive invasive ant species, having spread from its native range in Central and South America to tropical and subtropical regions worldwide including Florida, Hawaii, Australia, and numerous Pacific islands. The genus is characterized by small, monomorphic workers with a well-developed sting apparatus.