Valid Names Results

Phenacoccus dearnessi King, 1901 (Pseudococcidae: Phenacoccus)

Nomenclatural History

• Phenacoccus dearnessi King 1901e: 180. Type data: CANADA: Ontario, on Crataegus sp.. Lectotype, female, by subsequent designation (MillerAp1971,1342). Type depository: New York: American Museum of Natural History, Department of Entomology Collection, New York, USA; accepted valid name
• Phenacoccus cockerelli King 1903b: 195. Type data: U.S.A.: Colorado, Steamboat Springs, on Amelanchier sp.. Syntypes, female, Type depository: Tucuman: Fundacion e Instituto Miguel Lillo, Universidade Nactional de Tucuman, Argentina; Washington: United States National Entomological Collection, U.S. National Museum of Natural History, District of Columbia, USA; junior synonym (discovered by Ferris1950, 135).
• Phenacoccus betheli Cockerell 1912: 301. Type data: U.S.A.: Arizona, Grand Canon, on Amelanchier. Syntypes, female, Type depository: Davis: The Bohart Museum of Entomology, University of California, California, USA; Washington: United States National Entomological Collection, U.S. National Museum of Natural History, District of Columbia, USA; junior synonym (discovered by Ferris1950, 135).
• Phenacoccus regnillhoi Hollinger 1917a: 269. Type data: U.S.A.: Missouri, Boone County, near Columbia, on Ostra virginiana. Syntypes, female, junior synonym (discovered by Ferris1953a, 397). Notes: Type material probably lost, see Miller & Appleby, 1971.

Common Names

• two-circuli mealybug Koszta1996 McKenz1967

Ecological Associates

Hosts:

Families: 2 | Genera: 6

Foes:

Families: 1 | Genera: 1

Geographic Distribution

Keys

• Hodgso2020: pp.32-34 ( Adult (M) ) [higher groups of Pseudococcidae]
• Koszta1996: pp.157 ( Adult (F) ) [Northeastern North USA]
• McKenz1967: pp.214 ( Adult (F) ) [U.S.A., California]
• McKenz1964: pp.238 ( Adult (F) ) [North America]
• McKenz1961: pp.26 ( Adult (F) ) [North America]
• McKenz1960: pp.713 ( Adult (F) ) [North America]
• Ferris1953a: pp.395 ( Adult (F) ) [North America]
• Ferris1950b: pp.120 ( Adult (F) ) [North America]

Remarks

• Biology: Occurring on the twigs and stems of its host plants.
• Economic Importance: This species may cause disfiguration of nursery plants (Miller & Appleby, 1971).
• General Remarks: Good description and illustration of the adult female given by Ferris (1950b) and by McKenzie (1967) and by Miller & Appleby (1971). Good description and illustration of the adult male given by Miller & Appleby (1971). Good description and illustration of the immature stages of female and male given by Miller & Appleby (1971). Hollinger (1923) redescribed the same species, as if a new species. Miller & Appleby (1971) question the synonymy of P. regnillhoi with P. dearnessi.

Illustrations

Citations