Classification:

Subfamily: Typhlodrominae

Tribe: Metaseiulini

Genus (Subgenus): Metaseiulus (Metaseiulus)

Species: Metaseiulus (Metaseiulus) citri

 
Holotype:

Metaseiulus (Metaseiulus) citri (Garman & McGregor, 1956): 8; North Whittier Heights, Los Angeles, California, USA, on lemon.

 
Synonyms:
Junior synonym of: Metaseiulus (Metaseiulus) pini  — Chant (1959b); Metaseiulus (Metaseiulus) pini  — Chant et al. (1974);
Not junior synonym of: Metaseiulus (Metaseiulus) pini (Chant) — Tuttle & Muma (1973); Metaseiulus (Metaseiulus) pini (Chant) — Mahr (1979); Metaseiulus (Metaseiulus) pini  — Charlet & McMurtry (1977);
Senior synonym of: Metaseiulus (Metaseiulus) columbiensis (Chant) — Mahr (1979); Metaseiulus (Metaseiulus) columbiensis (Chant) — Chant & Yoshida-Shaul (1984a); Metaseiulus (Metaseiulus) pacificus (McGregor) — Schuster & Pritchard (1963); Metaseiulus (Metaseiulus) pacificus (McGregor) — Tuttle & Muma (1973); Metaseiulus (Metaseiulus) pacificus (McGregor) — Charlet & McMurtry (1977); Metaseiulus (Metaseiulus) pacificus (McGregor) — Mahr (1979); Metaseiulus (Metaseiulus) pacificus (McGregor) — Chant & Yoshida-Shaul (1984a);
 
Other Names:
Typhlodromus citri (original designation) — Garman & McGregor (1956)
Typhloseiopsis citri — Schuster & Pritchard (1963)
Typhlodromina citri — Tuttle & Muma (1973)
Metaseiulus citri — Congdon (2002)
 
Distribution:
CANADA — NORTHWEST TERRITORIES: Chant & Yoshida-Shaul (1984a); ONTARIO: Rothman (1988);
USA — CALIFORNIA: Charlet & McMurtry (1977); Garman & McGregor (1956); Mahr (1979); Mahr & McMurtry (1979); McGregor (1956); McMurtry et al. (1971); McMurtry & Flaherty (1977); McMurtry & Show (2012); Rice et al. (1976); Rice & Jones (1978); Schuster & Pritchard (1963)OBS; COLORADO: Denmark & Evans (2011); MISSOURI: Denmark & Evans (2011); NEVADA: Chant & Yoshida-Shaul (1984a); OHIO: Denmark & Evans (2011); WASHINGTON: Congdon (2002); James & Prischmann (2010); Prischmann & James (2003); Prischmann & James (2005); WYOMING: Chant & Yoshida-Shaul (1984a);
 
Hosts / Substrates (Holotype):
Rutaceae: Lemon — Garman & McGregor (1956);
 
Biosystematics: Mahr & McMurtry (1979);
Catalog: Moraes et al. (1986); Moraes et al. (2004a); Prasad (2012);
Redescription: Chant & McMurtry (2007); Chant & Yoshida-Shaul (1984a); Charlet & McMurtry (1977); Congdon (2002); Denmark & Evans (2011); Mahr (1979); Mahr & McMurtry (1979); McGregor (1956); Schuster & Pritchard (1963)OBS; Tsolakis & Ragusa (2010); Yoshida-Shaul & Chant (1983);
 
Notes:
- Chant (1959a) and Chant et al. (1974) considered M. (M.) citri and M. (M.) pacificus as junior synonyms of M. (M.) pini. However, Chant & Yoshida-Shaul (1984a) considered M. (M.) pini and M. (M.) citri as distinct species, and M. (M.) pacificus as junior synonym of Metaseiulus (Metaseiulus) citri.;
 

JUNIOR SYNONYM:

 
Classification:

Subfamily: Typhlodrominae

Tribe: Metaseiulini

Genus (Subgenus): Metaseiulus (Metaseiulus)

Species: Metaseiulus (Metaseiulus) columbiensis

 
Holotype:

Metaseiulus (Metaseiulus) columbiensis (Chant, 1959b): 53; 5 miles west of Keremeos, British Columbia, Canada, on wild cherry.

 
Synonyms:
Suspected junior synonym of: Metaseiulus (Metaseiulus) anchialus (Kennett) — Rowell & Chant (1978);
 
Other Names:
Typhlodromus (Typhlodromus) columbiensis (original designation) — Chant (1959b)
Typhlodromina columbiensis  — Muma (1961a)
Typhlodromus columbiensis  — Hirschmann (1962)
 
Distribution:
ALASKA: Chant et al. (1974);
CANADA — ALBERTA: Chant et al. (1974); BRITISH COLUMBIA: Chant (1959b); Chant et al. (1974); Downing & Moilliet (1971); NEW BRUNSWICK: Chant et al. (1974); NEWFOUNDLAND AND LABRADOR: Chant et al. (1974); NOVA SCOTIA: Chant et al. (1974); ONTARIO: Chant et al. (1974); YUKON: Chant et al. (1974);
USA — UTAH: Jorgensen & Mongkolprasith (1979); Leetham & Jorgensen (1969);
 
Hosts / Substrates (Holotype):
Rosaceae: Wild cherry — Chant (1959b);
 
Catalog: Moraes et al. (1986); Moraes et al. (2004a); Prasad (2012);
Redescription: Chant et al. (1974); Chant & McMurtry (2007); Hirschmann (1962); Jorgensen & Mongkolprasith (1979); Mahr (1979); Tsolakis & Ragusa (2010);
 
Classification:

Subfamily: Typhlodrominae

Tribe: Metaseiulini

Genus (Subgenus): Metaseiulus (Metaseiulus)

Species: Metaseiulus (Metaseiulus) pacificus

 
Holotype:

Metaseiulus (Metaseiulus) pacificus (McGregor, 1956): 8; Corona, California, USA, on Citrus limon.

 
Synonyms:
Junior synonym of: Metaseiulus (Metaseiulus) pini (Chant) — Chant (1959b);
 
Other Names:
Typhlodromus pacificus (original designation) — McGregor (1956)
Typhlodromina pacifica  — Moraes et al. (1986)
 
Distribution:
MEXICO: De Leon (1959e)OBS;
USA — CALIFORNIA: McGregor (1956);
 
Hosts / Substrates (Holotype):
Rutaceae: Citrus limon — McGregor (1956);
 
Catalog: Moraes et al. (1986); Moraes et al. (2004a); Prasad (2012);
Redescription: Chant & McMurtry (2007); Tsolakis & Ragusa (2010);
 
Notes:
- Chant (1959b) considered Metaseiulus (Metaseiulus) pacificus a junior synonym of Metaseiulus (Metaseiulus) pini (Chant), which was at the time considered the senior synonym of Metaseiulus (Metaseiulus) citri (Garman & McGregor). He stated that the drawings of the original description of Metaseiulus (Metaseiulus) pacificus did not correspond to the holotype [which is actually a specimen of Metaseiulus (Metaseulus) citri], but are just reproductions of those of Cunliffe & Baker (1953). In the latter paper, the species was called Typhlodromus n. sp., and today is known as Metaseiulus (Metaseiulus) mcgregori Chant, 1959.;
 

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