Valid Names Results
Chnaurococcus trifolii (Forbes, 1885) (Pseudococcidae: Chnaurococcus)Nomenclatural History
- Coccus trifolii Forbes 1885a: 72. Type data: U.S.A.: Illinois, Normal, on white clover. Syntypes, female, by subsequent designation Type depository: Washington: United States National Entomological Collection, U.S. National Museum of Natural History, District of Columbia, USA; accepted valid name
- Dactylopius trifolii Davis 1894: 172. Type data: U.S.A.: Michigan, on Trifolium pratense. Syntypes, , by subsequent designation Type depository: Washington: United States National Entomological Collection, U.S. National Museum of Natural History, District of Columbia, USA; junior synonym (discovered by Fernal1903, 111). Notes: Homonym of Dactylopius trifolii (Forbes).
- Dactylopius trifolii (Forbes, 1885); Osborn 1898: 224. change of combination
- Ripersia confusella Cockerell 1901g: 52. Type data: U.S.A.: New Mexico, Las Vegas, in nests of Lasius americanus.. Syntypes, female, by original designation Type depository: Washington: United States National Entomological Collection, U.S. National Museum of Natural History, District of Columbia, USA; junior synonym (discovered by Ferris1950, 41).
- Ripersia tenuipes Cockerell 1901g: 54. Type data: U.S.A.: New Mexico, Gallinas Canon, on roots of grass. Syntypes, female, by subsequent designation Type depository: Washington: United States National Entomological Collection, U.S. National Museum of Natural History, District of Columbia, USA; junior synonym (discovered by Ferris1953a, 303).
- Ripersia trivittata Cockerell 1901g: 55. Type data: U.S.A.: New Mexico, Las Vegas, under a rock with Lasius americanus.. Syntypes, female, by subsequent designation Type depository: Washington: United States National Entomological Collection, U.S. National Museum of Natural History, District of Columbia, USA; junior synonym (discovered by McKenzWi1965, 3).
- Ripersia cockerellae Cockerell 1901g: 52. nomen nudum
- Ripersia cockerellae King 1902a: 42. Type data: U.S.A.: New Mexico, Beulah, in nest of Lasius americanus.. Holotype, female, by original designation Type depository: London: The Natural History Museum, England, UK; junior synonym (discovered by McKenzWi1965, 3).
- Pseudococcus trifolii (Forbes, 1885); Fernald 1903b: 111. change of combination
- Trionymus grindeliae Ferris 1918d: 17. Type data: U.S.A.: California, Monterey County, Pacific Grove, on Grindelia robusta.. Syntypes, female, by subsequent designation Type depository: Davis: The Bohart Museum of Entomology, University of California, California, USA; junior synonym (discovered by Ferris1950b, 41). Illustr.
- Trionymus trifolii (Forbes, 1885); MacGillivray 1921: 139. change of combination
- Erium grindeliae (Ferris, 1918); Lindinger 1935a: 122. change of combination
- Chnaurococcus trifolii (Forbes, 1885); Ferris 1950b: 41. change of combination
- Chnaurococcus trivittatus Ferris 1953a: 303. questionable identification
Common Names
- clover root mealybug Fernal1903b Koszta1996 McKenz1967
Ecological Associates
Hosts:
Families: 6 | Genera: 8
- Asteraceae
- Grindelia robusta | BenDov1994 Ferris1918d Ferris1950b McKenz1967
- Helianthus tuberosus | BenDov1994 Ferris1950b McKenz1967
- Fabaceae
- Lupinus albifrons | BenDov1994 McKenz1967
- Trifolium | Fernal1903b Ferris1950b MacGil1921 McKenz1967
- Fagaceae
- Quercus agrifolia | BenDov1994 McKenz1967
- Orobanchaceae
- Castilleja | BenDov1994 McKenz1967
- Poaceae
- Poaceae | BenDov1994 Cocker1901g
- Vitaceae
- Parthenocissus quinquefolia | BenDov1994 Ferris1950b McKenz1967 | (= Chnaurococcus trifolii)
Associates:
Families: 1 | Genera: 1
- Formicidae
- Lasius flavus | NewtonGlMa2011
- Lasius pallitarsis | NewtonGlMa2011
Geographic Distribution
Countries: 2
- Canada
- Alberta | NewtonGlMa2011
- Ontario | Koszta1996
- United States
- California | BenDov1994 Ferris1918d Ferris1950b McKenz1967
- Colorado | BenDov1994 Ferris1950b McKenz1967
- Illinois | BenDov1994 Fernal1903b Ferris1950b Koszta1996 McKenz1967
- Indiana | Koszta1996
- Iowa | BenDov1994 Fernal1903b Ferris1950b McKenz1967 Osborn1898
- Maryland | Koszta1996
- Massachusetts | Koszta1996
- Michigan | Fernal1903b
- New Hampshire | Koszta1996
- New Mexico | BenDov1994 Cocker1901g Ferris1950b Ferris1953a King1902a McKenz1967
- New York | BenDov1994 Fernal1903b Ferris1950b Koszta1996 McKenz1967
- Ohio | Koszta1996
- Virginia | Koszta1996
- Wisconsin | Koszta1996
Keys
- Koszta1996: pp.82 ( Adult (F) ) [Northeastern North USA]
- KozarKo1976: pp.301 ( Adult (F) ) [Hungary]
- McKenz1967: pp.83 ( Adult (F) ) [U.S.A., California]
- Ferris1950b: pp.40 ( Adult (F) ) [North America]
Remarks
- Biology: Usually found on the roots of its host plants, and often in association with ants. Found in nest of Lasius ants (King, 1902a; Kosztarab 1996).
- General Remarks: Good description and illustration of the adult female given by Ferris (1918d, 1950b, 1953a), McKenzie & Williams (1965), McKenzie (1967), Kosztarab (1996). Good description of the adult female given by King (1902a) and by MacGillivray (1921).
Illustrations
Citations
- BenDov1994: catalog, 81, 82
- Cocker1901g: distribution, host, 52, 54, 55
- DowellGiJe2016: distribution, 118
- Fernal1903b: 111
- Ferris1918d: description, distribution, host, illustration, taxonomy, 71
- Ferris1950b: description, distribution, host, illustration, taxonomy, 41-42
- Ferris1953a: distribution, host, taxonomy, 303, 496
- Gavril2018: reproduction, 219
- Hollin1923: distribution, host, 59
- King1902a: description, distribution, host, taxonomy, 42
- Koszta1996: description, distribution, host, illustration, taxonomy, 82-84
- KozarKo1976: key, 301
- Lindin1935a: taxonomy, 122
- MacGil1921: description, distribution, host, taxonomy, 139
- McKenz1967: description, distribution, host, illustration, taxonomy, 83-85
- McKenzWi1965: description, illustration, taxonomy, 2, 3
- NewtonGlMa2011: distribution, ecology, 520,521
- Osborn1898: distribution, taxonomy, 225
- Willia2017a: catalog, list of species, 247, 251
- WilliaBe2009: catalog, taxonomy, 46
- WilliaBe2015: taxonomy, 167