247 articles
World Malaria Day
World Malaria Day, also called Malaria Awareness Day, is an annual health observance held on 25 April each year, established by WHO Member States in May 2007.
World Mosquito Day
World Mosquito Day is an annual observance held on 20 August, marking the day in 1897 when British doctor Ronald Ross found malaria parasites in a mosquito in India.
Wyeomyia
Wyeomyia (bromeliad mosquito), Theobald 1901, is a genus of about 140 sabethine mosquitoes of the tribe Sabethini, mainly Neotropical, whose larvae develop in phytotelmata such as bromeliads and pitcher plants.
Zambezi Valley tsetse control campaigns
The Zambezi Valley tsetse control campaigns are operations in northern Zimbabwe to suppress tsetse flies, the vectors of trypanosomiasis, beginning with hunting in 1933 and advancing to odor-baited insecticide-treated targets.
Zeugodacus
Zeugodacus Hendel, 1927: genus of tephritid fruit flies (Dacini), formerly a Bactrocera subgenus, raised to genus by Virgilio et al. 2015; sister to Dacus; about 196 species including cucurbit pests Z. cucurbitae (melon fly) and Z. tau.
Zhangsolvidae
Zhangsolvidae (Nagatomi & Yang, 1998) is an extinct Cretaceous family of stout, long-proboscid brachyceran flies in Stratiomyomorpha, related to Xylomyidae and Stratiomyidae; genera include Zhangsolva, Buccinatormyia, Linguatormyia, and Cratomyia from China, Brazil, Spain, Myanmar, and South Korea.
Zika fever
Zika fever, caused by Zika virus (ZIKV), a mosquito-borne flavivirus first found in Uganda in 1947, is usually mild but causes microcephaly and Guillain-Barré syndrome; spread via Aedes mosquitoes and sex, with no vaccine.