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Scale insects are small insects of the order Hemiptera, suborder Sternorrhyncha. Of dramatically variable appearance and extreme sexual dimorphism, they comprise the infraorder Coccomorpha which is considered a more convenient grouping than the superfamily Coccoidea due to taxonomic uncertainties. Adult females typically have soft bodies and no limbs, and are concealed underneath domed scales, extruding quantities of wax for protection. Some species are hermaphroditic, with a combined ovotestis instead of separate ovaries and testes. Males, in the species where they occur, have legs and sometimes wings, and resemble small flies. Scale insects are herbivores, piercing plant tissues with their mouthparts and remaining in one place, feeding on sap. The excess fluid they imbibe is secreted as honeydew on which sooty mold tends to grow. The insects often have a mutualistic relationship with ants, which feed on the honeydew and protect them from predators. There are about 8,000 described species.
John Duncan Macrae was one of the leading Scottish actors of his generation. He worked mainly as a stage actor and also made five television appearances and seventeen films.
Gordon Cameron Jackson, was a Scottish actor best remembered for his roles as the butler Angus Hudson in Upstairs, Downstairs and as George Cowley, the head of CI5, in The Professionals. He also portrayed Capt Jimmy Cairns in Tunes of Glory, and Flt. Lt. Andrew MacDonald, "Intelligence", in The Great Escape.
Vaughan City Council is the lower-tier municipal governing body for the city of Vaughan, Ontario. It is a part of the upper-tier Regional Municipality of York. Members of the council are elected in three categories: wards councillors, citywide councillors, and a mayor. The wards have remained consistent since the 2010 election.
The Howard N. Potts Medal was one of The Franklin Institute Awards for science and engineering award presented by the Franklin Institute of Philadelphia, Pennsylvania. It is named for Howard N. Potts. The first Howard N. Potts Medal was awarded in 1911 but was merged in 1991, along with other Franklin Institute historical awards, into the Benjamin Franklin Medal.
Coccus is a genus of scale insects in the family Coccidae. Several species, such as Coccus viridis, a major pest of coffee, are major agricultural pests. The type species is Coccus hesperidumLinnaeus.
Parlatoreopsidina is a subtribe of armored scale insects.
Diaspidina is a subtribe of armored scale insects. It occurs mostly in the Americas and Africa, with a few species in tropical Asia. In the Americas Pseudoparlatoria is the largest genus, with Diaspis second; in Africa Diaspis is the largest genus. The grouping identified by Balachowsky in 1954 as the subtribe Diaspidina, are now the tribe Diaspidini.
Chionaspis is a genus of scale insect. In 2011 geographical sampling and analysis indicated a number of unnamed species in the genus Chionaspis.
Pseudaulacaspis is a genus of scales and mealybugs in the family Diaspididae. There are at least 60 described species in Pseudaulacaspis.
Hemiberlesia is a genus of scales and mealybugs in the family Diaspididae. There are at least 30 described species in Hemiberlesia.
Parlatoria is a genus of scales and mealybugs in the family Diaspididae. There are at least 60 described species in Parlatoria.
Paracoccus is a genus of true bugs belonging to the family Pseudococcidae.
Ferrisia is a genus of mealybugs.
References
- 1 2 "Phenacoccus Report". Integrated Taxonomic Information System. Retrieved 2018-05-05.
- 1 2 "Browse Phenacoccus". Catalogue of Life. Retrieved 2018-05-05.
- 1 2 "Phenacoccus". GBIF. Retrieved 2018-05-05.
- 1 2 "Phenacoccus Genus Information". BugGuide.net. Retrieved 2018-05-05.