Valid Names Results

Spilococcus pressus Ferris, 1950 (Pseudococcidae: Spilococcus)

Nomenclatural History

Spilococcus pressus Ferris 1950b: 235. Type data: U.S.A.: California, Santa Cruz County, Big Creek, on Viola sarmentosa. Syntypes, female, Type depository: Davis: The Bohart Museum of Entomology, University of California, California, USA; accepted valid name Illustr.

Common Names

pressus mealybug McKenz1967

Ecological Associates

Hosts:

Families: 8 | Genera: 12

Apocynaceae

Nerium oleander | BenDov1994 McKenz1967

Asteraceae

Achillea millefolium | BenDov1994 McKenz1967
Chloracantha spinosa | BenDov1994 McKenz1967 | (= Aster spinosus)
Symphyotrichum chilense | BenDov1994 McKenz1967 | (= Aster chilensis)

Boraginaceae

Phacelia | BenDov1994 McKenz1967

Crassulaceae

Crassula | BenDov1994 McKenz1967

Lamiaceae

Stachys bullata | BenDov1994 Ferris1950b

Malvaceae

Alcea rosea | BenDov1994 McKenz1967 | (= Althaea rosea)
Gossypium | BenDov1994 McKenz1967
Sida | BenDov1994 McKenz1967

Onagraceae

Oenothera | BenDov1994 McKenz1967

Violaceae

Viola sempervirens | BenDov1994 Ferris1950b | (= Viola sarmentosa)

Foes:

Families: 1 | Genera: 1

Encyrtidae

Acerophagus abstrusus | Rosen1981a | (=Pseudaphycus abstrusus)

Geographic Distribution

Countries: 1

United States

California | BenDov1994 Ferris1950b

Keys

MillerMc1973: pp.523 ( Adult (F) ) [North America]
McKenz1967: pp.412 ( Adult (F) ) [U.S.A., California]
McKenz1962: pp.679 ( Adult (F) ) [North America]
McKenz1960: pp.757 ( Adult (F) ) [North America]
Ferris1953a: pp.464 ( Adult (F) ) [North America]
Ferris1950b: pp.220 ( Adult (F) ) [North America]

Remarks

Biology: Occurring on the crown of its host plant.
General Remarks: Good description and illustration of the adult female given by Ferris (1950b) and by McKenzie (1967).

Illustrations

Citations

BenDov1994: catalog, 491-492
Ferris1950b: description, distribution, host, illustration, taxonomy, 235-236
McKenz1967: description, distribution, host, illustration, taxonomy, 442-444
Rosen1981a: biological control, distribution, host, 258