Valid Names Results

Aulacaspis polygoni (Green, 1899) (Diaspididae: Aulacaspis)

Nomenclatural History

• Chionaspis polygoni Green 1899a: 134-135. Type data: SRI LANKA: Pundaluoya, on Polygonum chinensis. Syntypes, female, Type depository: London: The Natural History Museum, England, UK; accepted valid name Illustr.
• Trichomytilus polygoni (Green, 1899); Lindinger 1933a: 166. change of combination
• Phenacaspis polygoni (Green, 1899); Ferris 1956: 72. change of combination
• Phenacaspis polygona (Green, 1899); Ali 1969a: 70. misspelling of species epithet
• Pseudaulacaspis polygoni (Green, 1899); Takagi 1985: 48. change of combination
• Aulacaspis polygoni (Green, 1899); Takagi 2012a: 63. change of combination

Common Names

Ecological Associates

Hosts:

Families: 1 | Genera: 1

Geographic Distribution

Keys

• MacGil1921: pp.326 ( Adult (F) ) [Key to species of Chionaspis] Key as: Chionaspis polygoni
• Green1899a: pp.108 ( ) [Synopsis of Chionaspis species] Key as: Chionaspis polygoni

Remarks

• Systematics: Takagi (2012a) transferred this species to Aulacaspis stating that it has few macroducts and many long gland spines on the lateral lobes of the second and third abdominal segments, while having none on the preceding segments.
• Structure: Female scale white, more or less tinged with reddish brown from adherent particles of the membranous stipules of the plant, beneath which the scales are often concealed. Exuviae pale straw colored. Ventral scale remaining attached to host, 2.0-3.0 mm long. Male scale slightly widened behind. Carinae smooth and not very prominent, 1.25 mm long. Adult female yellow, deepening to reddish orange during gestation. Median area broadest. Median lobes large and prominent, bluntly conical. Adult male bright red (Green, 1899a).
• General Remarks: Detailed description and illustration by Green (1899a).

Illustrations

Citations