WAfrosataspes is a genus of moths in the family Sphingidae, containing only one species, Afrosataspes galleyi, which is known from the Central African Republic and the Democratic Republic of the Congo.
WBarbourion is monotypic moth genus in the family Sphingidae described by Benjamin Preston Clark in 1934. Its only species, Barbourion lemaii, described by Eugène Le Moult in 1934, is known from Yunnan in south-western China, northern Thailand and northern Vietnam.
WBradypophila is a genus of snout moths. It was described by R. v. Ihering in 1914, and contains the species Bradypophila garbei. It is found in Brazil.
WCahela is a monotypic snout moth genus described by Carl Heinrich in 1939. Its only species, Cahela ponderosella, the cahela moth, described by William Barnes and James Halliday McDunnough in 1918, is found in Mexico and in the US states of California, Texas, Arizona, Utah and probably Nevada.
WCallosphingia is a genus of moths in the family Sphingidae, containing one species, Callosphingia circe, which is known from semi-desert and arid scrub throughout eastern Africa.
WChesistege is a genus of moths in the family Geometridae. It contains only one species, Chesistege korbi, which is found in Turkey, Armenia and Turkmenistan.
WCladoxycanus is a monotypic genus of moths belonging to the family Hepialidae. It consists of only one species, Cladoxycanus minos, which is endemic to New Zealand. C. minos was first described by George Hudson in 1905.
WCleptophasia is a monotypic moth genus of the family Notodontidae described by Prout in 1918. It consists of only one species, Cleptophasia scissa, first described by Warren in 1909, which is found in Brazil, French Guiana and Venezuela.
WCompsulyx is a genus of moths in the family Sphingidae. It contains only one species, Compsulyx cochereaui, which is known from New Caledonia.
WDiplolopha is a genus of moths in the family Nolidae. It contains only one species, Diplolopha cycloptera, which is found in Central and South America, including Argentina, Colombia, Ecuador and Costa Rica. Both the genus and species were first described by Paul Dognin in 1911.
WEuobraztsovia is a genus of moths belonging to the subfamily Olethreutinae of the family Tortricidae. It contains only one species, Euobraztsovia chionodelta, which is found in Queensland, the Bismarck Islands, the D'Entrecasteaux Islands and western New Guinea.
WGrillotius is a genus of moths of the family Sphingidae, containing only one species, Grillotius bergeri, which is known from Gabon, the Republic of the Congo and the Democratic Republic of the Congo.
WHeliorabdia is a genus of moth in the subfamily Arctiinae. It contains only one species, Heliorabdia taiwana, which is found in Taiwan.
WHeloxycanus patricki, also known as the sphagnum porina moth, is a species of moth of the family Hepialidae, the ghost moths. It is the only member of the genus Heloxycanus. This species is endemic to New Zealand. It has been classified as having the status of "At Risk, Declining" by the Department of Conservation.
WHoulberthosia is a genus of moths in the family Noctuidae. It contains only one species, Houlberthosia ornatissima, which is found in Vietnam and Taiwan.
WKloneus is a genus of moths in the family Sphingidae, containing only one species, Kloneus babayaga, which is known from Nicaragua but probably ranges from Mexico to Costa Rica. It is also reported from northern Venezuela.
WLithopolia is a moth genus in the family Noctuidae. It contains only one species, Lithopolia confusa, which is found in Taiwan.
WMorionia is a genus of moths of the family Zygaenidae. It consists of only one species, Morionia sciara, which is found in Taiwan.
WOpistoclanis is a genus of moths in the family Sphingidae, containing only one species Opistoclanis hawkeri.
WPararotruda is a genus of snout moths. It was described by Roesler in 1965, and contains the species Pararotruda nesiotica. It is found on the Canary Islands and Madeira.
WPatagobia is a monotypic moth genus in the subfamily Arctiinae erected by B. Christian Schmidt and Josef J. de Freina in 2011. Its only species, Patagobia thursbyi, was first described by Rothschild in 1910. It is found in Chile and Argentina where it is known from temperate montane woodlands and grasslands in Patagonia.
WPierreclanis is a genus of moths in the family Sphingidae, containing only one species, Pierreclanis admatha, which is known from Guinea, Ivory Coast, Cameroon, the Central African Republic, the Democratic Republic of the Congo, the Republic of the Congo, Gabon and Ghana.
WTaniva is a monotypic moth genus belonging to the family Tortricidae erected by Carl Heinrich in 1926. Its only species, Taniva albolineana, the spruce needleminer moth, was first described by William D. Kearfott in 1907.
WTrogolegnum is a genus of moths in the family Sphingidae, containing only one species, Trogolegnum pseudambulyx, which is known from Mexico.
WViriclanis is a genus of moths in the family Sphingidae, containing only one species, Viriclanis kingstoni, which is known from Tanzania. Both the genus and the species were first described by Leif Aarvik in 1999.
WXenosphingia is a genus of moths in the family Sphingidae, containing one species, Xenosphingia jansei, which is known from arid bush in western Zimbabwe and adjoining Botswana.