''Ferrisia'' is a genus of

mealybug Mealybugs are insects in the family (biology), family Pseudococcidae, unarmored scale insects found in moist, warm habitats. Many species are considered pest (animal), pests as they feed on plant juices of greenhouse plants, house plants and sub ...

Taxonomic history

David T. Fullaway

circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius. Not every polyg ...

the genus in 1923. He included one species: '' F. virgata'', which was initially described in ''

Dactylopius ''Dactylopius'' is a genus of insect in the superfamily Coccoidea, the scale insects. It is the only genus in the family Dactylopiidae.Van Dam, A. R. and B. May. (2012)A new species of ''Dactylopius'' Costa (''Dactylopius gracilipilus'' sp. nov.) ...

'' and had been transferred to '' Pseudococcus''. In 1929,

Ryoichi Takahashi (April 6, 1898—July 17, 1963) was a Japanese people, Japanese entomologist. His research focused on hemiptera, including aphids, whiteflies, and scale insects. He published more than 420 articles. Taxa named after him include: * ''Takahashileca ...

proposed ''Ferrisiana'' as a

replacement name In biological nomenclature, a ''nomen novum'' (Latin for "new name"), new replacement name (or replacement name, new substitute name, substitute name) is a scientific name that is created specifically to replace another scientific name, but only w ...

because he thought the existence of the mollusk genus ''

Ferrissia ''Ferrissia'' is a genus of small, air-breathing freshwater limpets, aquatic gastropod mollusks in the family Planorbidae, the ram's horn snails and their allies. Species Species within the genus ''Ferrissia'' include: * '' Ferrissia baconi'' ...

'' meant ''Ferrisia'' was an invalid

junior homonym In biology, a homonym is a name for a taxon that is identical in spelling to another such name, that belongs to a different taxon. The rule in the International Code of Zoological Nomenclature is that the first such name to be published is the se ...

. ''Ferrisiana'' was subsequently used by other authors to refer to this genus. In the 1960s, Harold and Emily R. Morrison and Howard L. McKenzie showed that the

International Code of Zoological Nomenclature The International Code of Zoological Nomenclature (ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals. It is also informally known as the ICZN Code, for its publisher, the ...

says the difference of one letter is enough to distinguish genera names, making ''Ferrisia'' the valid name for the genus. In 2012, M. B. Kaydan and P. J. Kullan circumscribed a new genus '' Pseudoferrisia'' for the species previously known as ''Ferrisia floridana''.

Species

, species include: * ''

Ferrisia claviseta ''Ferrisia'' is a genus of mealybugs. Taxonomic history David T. Fullaway circumscribed the genus in 1923. He included one species: '' F. virgata'', which was initially described in ''Dactylopius'' and had been transferred to '' Pseudococcus''. ...

'' * ''

Ferrisia colombiana ''Ferrisia'' is a genus of mealybugs. Taxonomic history David T. Fullaway circumscribed the genus in 1923. He included one species: '' F. virgata'', which was initially described in '' Dactylopius'' and had been transferred to ''Pseudococcus''. ...

'' * ''

Ferrisia cristinae ''Ferrisia'' is a genus of mealybugs. Taxonomic history David T. Fullaway circumscribed the genus in 1923. He included one species: '' F. virgata'', which was initially described in '' Dactylopius'' and had been transferred to ''Pseudococcus''. ...

'' * ''

Ferrisia dasylirii ''Ferrisia'' is a genus of mealybugs. Taxonomic history David T. Fullaway circumscribed the genus in 1923. He included one species: '' F. virgata'', which was initially described in '' Dactylopius'' and had been transferred to ''Pseudococcus''. ...

'' * ''

Ferrisia ecuadorensis ''Ferrisia'' is a genus of mealybugs. Taxonomic history David T. Fullaway circumscribed the genus in 1923. He included one species: '' F. virgata'', which was initially described in '' Dactylopius'' and had been transferred to ''Pseudococcus''. ...

'' * ''

Ferrisia gilli ''Ferrisia'' is a genus of mealybugs. Taxonomic history David T. Fullaway circumscribed the genus in 1923. He included one species: '' F. virgata'', which was initially described in '' Dactylopius'' and had been transferred to ''Pseudococcus''. ...

'' Formerly thought to be a

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

population of ''F. virgata''. Economically important pest of pistachios in and almonds in the state. * ''

Ferrisia kaki ''Ferrisia'' is a genus of mealybugs. Taxonomic history David T. Fullaway circumscribed the genus in 1923. He included one species: '' F. virgata'', which was initially described in '' Dactylopius'' and had been transferred to ''Pseudococcus''. ...

'' * ''

Ferrisia kondoi ''Ferrisia'' is a genus of mealybugs. Taxonomic history David T. Fullaway circumscribed the genus in 1923. He included one species: '' F. virgata'', which was initially described in '' Dactylopius'' and had been transferred to ''Pseudococcus''. ...

'' * ''

Ferrisia malvastra ''Ferrisia'' is a genus of mealybugs. Taxonomic history David T. Fullaway circumscribed the genus in 1923. He included one species: '' F. virgata'', which was initially described in '' Dactylopius'' and had been transferred to ''Pseudococcus''. ...

'' * ''

Ferrisia meridionalis ''Ferrisia'' is a genus of mealybugs. Taxonomic history David T. Fullaway circumscribed the genus in 1923. He included one species: '' F. virgata'', which was initially described in '' Dactylopius'' and had been transferred to ''Pseudococcus''. ...

'' * ''

Ferrisia milleri ''Ferrisia'' is a genus of mealybugs. Taxonomic history David T. Fullaway circumscribed the genus in 1923. He included one species: '' F. virgata'', which was initially described in '' Dactylopius'' and had been transferred to ''Pseudococcus''. ...

'' * ''

Ferrisia multiformis ''Ferrisia'' is a genus of mealybugs. Taxonomic history David T. Fullaway circumscribed the genus in 1923. He included one species: '' F. virgata'', which was initially described in ''Dactylopius'' and had been transferred to '' Pseudococcus''. ...

'' * '' Ferrisia pitcairnia'' * '' Ferrisia quaintancii'' * '' Ferrisia setosa'' * '' Ferrisia terani'' * '' Ferrisia uzinuri'' * ''

Ferrisia virgata ''Ferrisia virgata'', commonly known as the striped mealybug, is a species of mealybug belonging to the Pseudococcidae family. ''F. virgata'' parasitizes different crops including cottonplants. Female species are between the long. The species ...

'' * '' Ferrisia williamsi''

References

Sternorrhyncha genera Pseudococcidae {{Coccoidea-stub