Valid Names Results

Trionymus williamsi Ezzat, 1959 (Pseudococcidae: Trionymus)

Nomenclatural History

• Trionymus williamsi Ezzat 1959a: 405. Type data: EGYPT: Maadi, on Imperata cylindrica. Holotype, female, Type depository: Washington: United States National Entomological Collection, U.S. National Museum of Natural History, District of Columbia, USA; accepted valid name Illustr.

Common Names

Ecological Associates

Hosts:

Families: 1 | Genera: 1

Geographic Distribution

Keys

• EvansAb2023: pp.8-13 ( Adult (F) ) [Pseudococccidae of Egypt]
• YerlikBaKa2021: pp.326-327 ( Adult (F) ) [Trionymus of the Palearctic region]
• DanzigGa2015: pp.99-106 ( Adult (F) ) [Palaearctic Trionymus species]
• Tang1992: pp.150 ( Adult (F) ) [Palaearctic region]
• Ezzat1962a: pp.68 ( Adult (F) ) [Egypt]

Remarks

• Structure: Female body elongate oval, up to 3.5 mm long. Antennae 8-segmented. Legs well developed; hind coxae and apical parts of hind tibia with translucent pores. Anal apparatus complete. Both pairs of ostiolds well developed. Circuli absent. Multilocular pores sparsely scattered on entire body surface, but more numerous on abdomen where they form transverse rows. Trilocular pores evenly scattered on the etire body surface. (Danzig & Gavrilov-Zimin, 2015)
• General Remarks: Good description and illustration of the adult female given by Ezzat (1959a). Good description of the adult female given by Tang (1992).

Illustrations

Citations