Valid Names Results

Xylococculus quercus (Ehrhorn, 1900) (Xylococcidae: Xylococculus)

Nomenclatural History

• Xylococcus quercus Ehrhorn 1900: 311. Type data: U.S.A.: California, Stevens Creek Canon, near Mountain View, on Quercus chrysolepis; collected May 1899.. Syntypes, female, male, and first instar, Type depository: Washington: United States National Entomological Collection, U.S. National Museum of Natural History, District of Columbia, USA; accepted valid name Illustr.
• Xylococculus quercus (Ehrhorn, 1900); Morrison 1928: 45. change of combination

Common Names

• oak xylococcus scale Gill1993

Ecological Associates

Hosts:

Families: 1 | Genera: 2

Geographic Distribution

Keys

Remarks

• Structure: Colour photograph of adult female given by Gill (1993).
• Biology: Apparently one annual generation in USA, California (Gill, 1993).
• General Remarks: Description and illustration of adult female, adult male and nymphs by Florence (1917). Description and illustration of adult female by Ehrhorn (1900) and by Gill (1993).

Illustrations

Citations