Valid Names Results

Trionymus haancheni McKenzie, 1960 (Pseudococcidae: Trionymus)

Nomenclatural History

• Trionymus haancheni McKenzie 1960: 765. Type data: U.S.A.: California, Siskiyou County, Tulelake, on Hordeum vulgare. Holotype, female, Type depository: Davis: The Bohart Museum of Entomology, University of California, California, USA; accepted valid name Illustr.

Common Names

• haanchen barley mealybug McKenz1967
• Haanchen barley mealybug McKenz1967

Ecological Associates

Hosts:

Families: 1 | Genera: 2

Geographic Distribution

Keys

• MillerMc1973: pp.532 ( Adult (F) ) [North America]
• McKenz1967: pp.461 ( Adult (F) ) [U.S.A., California]
• McKenz1961: pp.48 ( Adult (F) ) [North America]
• McKenz1960: pp.765 ( Adult (F) ) [North America]

Remarks

• Biology: Occurring along the stems under the leaf sheaths of the host plant.
• Economic Importance: Osborn (1951 p.154) reported that this mealybug developed large populations on part of 15.000 acres of barley in California, causing damage and hampering harvesting operations, due to the sticky honeydew.
• General Remarks: Good description and illustration of the adult female given by McKenzie (1967).

Illustrations

Citations