Ferrisia

Ferrisia
Ferrisia virgata adult and eggs
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: Pancrustacea
Class: Insecta
Order: Hemiptera
Suborder: Sternorrhyncha
Family: Pseudococcidae
Genus: Ferrisia
Fullaway, 1923
Type species
Dactylopius virgatus
Cockerell, 1893
Synonyms

Ferrisia is a genus of mealybugs.

Description

Ferrisia adult females have long glassy filaments and (in most species) dark areas of cuticle. When slide-mounted (a typical process for identifying mealybugs), Ferrisia have enlarged dorsal tubular ducts which are used to secrete the glassy filaments. These ducts have a robust opening surrounded by an irregularly circular sclerotised area, and in this area are one or more setae and often one or more minute pores. These setae are tapered and slightly capitate, distinguishing Ferrisia from the related genus Pseudoferrisia, which has similar ducts but their setae are slender and spine-like.

Other features of Ferrisia are 8-segmented antennae (rarely 7-segmented), a circulus being present on the abdomen, a single pair of cerarii on the anal lobes and these each having usually 2 cerarian setae, and the dorsal setae being flagellate and either blunt-tipped or slightly capitate.

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. In 1929, Ryoichi Takahashi proposed Ferrisiana as a replacement name because he thought the existence of the mollusk genus Ferrissia meant Ferrisia was an invalid junior homonym. 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 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

As of 2022, species include:

References

  1. 1 2 Fullaway, David T. (1923). "Notes on Mealy-Bugs of Economic Importance in Hawaii". Proceedings of the Hawaiian Entomological Society. 5 (2): 308. hdl:10125/15722.
  2. 1 2 3 4 5 6 Kaydan, M. B.; Gullan, P. J. (2012). "A taxonomic revision of the mealybug genus Ferrisia Fullaway (Hemiptera: Pseudococcidae), with descriptions of eight new species and a new genus". Zootaxa. 3543 (1): 1–65. doi:10.11646/zootaxa.3543.1.1.
  3. ↑ Morrison, Harold; Morrison, Emily R. (1966). An Annotated List of Generic Names of the Scale Insects (Homoptera: Coccoidea). Miscellaneous Publications. Vol. 1015. Washington, D.C.: Agricultural Research Service: United States Department of Agriculture. p. 78.{{cite book}}: CS1 maint: publisher location (link)
  4. ↑ McKenzie, Howard L. (1962). "Third taxonomic study of California mealybugs, including additional species from North and South America (Homoptera: Coccoidea: Pseudococcidae)". Hilgardia. 32 (14): 638. doi:10.3733/hilg.v32n14p637.
  5. ↑ Mckenzie, Howard L. (1967). "Ferrisia Fullaway". Mealybugs of California with Taxonomy, Biology and Control of North American Species (Homoptera: Coccoidea: Pseudococcidae). Berkeley: University of California Press. p. 179. doi:10.1525/9780520338227-015.
  6. ↑ García Morales, M.; Denno, B.D.; Miller, G.L.; Ben-Dov, Y.; Hardy, N.B. (2016). "Ferrisia Fullaway, 1923". Database (Database). 2016. doi:10.1093/database/bav118. PMC 4747323. PMID 26861659. Retrieved February 5, 2022.
  7. 1 2 Daane, Kent M.; Cooper, Monica L.; Triapitsyn, Serguei V.; Walton, Vaughn M.; Yokota, Glenn Y.; Haviland, David R.; Bentley, Walt J.; Godfrey, Kris E.; Wunderlich, Lynn R. (2008). "Vineyard managers and researchers seek sustainable solutions for mealybugs, a changing pest complex". California Agriculture. 62 (4). UC Agriculture and Natural Resources (UC ANR): 167–176. doi:10.3733/ca.v062n04p167. ISSN 0008-0845. S2CID 54928048.
  8. ↑ Pacheco da Silva, Vitor Cezar; Kaydan, Mehmet Bora; Germain, Jean-François; Malausa, Thibaut; Botton, Marcos (2016). "Three new species of mealybug (Hemiptera, Coccomorpha, Pseudococcidae) on persimmon fruit trees (Diospyros kaki) in southern Brazil". ZooKeys (584): 61–82. Bibcode:2016ZooK..584...61P. doi:10.3897/zookeys.584.8065. PMC 4857023. PMID 27199595.