Valid Names Results
Chionaspis rotunda (Takahashi, 1935) (Diaspididae: Chionaspis)Nomenclatural History
- Phenacaspis rotunda Takahashi 1935: 16-17. Type data: TAIWAN: Takao, Heito-Gun, Mutosan, on Quercus pseudomyrsinifolia, 23/03/1934, by R, Takahashi. Syntypes, female, Type depository: Taichung: Entomology Collection, Taiwan Agricultural Research Institute, Wu-feng, Taichung, Taiwan; accepted valid name Illustr.
- Chionaspis rotunda (Takahashi, 1935); Takagi 1970: 70. change of combination
Common Names
Ecological Associates
Hosts:
Families: 1 | Genera: 1
- Fagaceae
- Quercus longinux | Takaha1935 | (= Quercus pseudomyrsinifolia)
Geographic Distribution
Countries: 1
- Taiwan | Takaha1935
Keys
- Chen1983: pp.64 ( ) [Key to Chinese species of Phenacaspis] Key as: Phenacaspis rotunda
Remarks
- Systematics: Chionaspis rotunda is related to Phenacaspis sozanica, but differs remarkably (Takahashi, 1935).
- Structure: Female scale white, thin, not transparent, circular, not convex, about 2.0 mm in diameter. Exuviae yellow, narrowly brownish on the margin, on the marginal area of the scale, the first exuviae extending beyond the margin. Secretion with no striae and ridges. Adult female elongate, about 3 times as long as wide, nearly parallel on the sides, not sclerotic, not widened and with no tubercle (Takahashi, 1935).
- General Remarks: Best description and illustration by Takahashi (1935).
Illustrations
Citations
- Ali1969a: distribution, host, 71
- Borchs1966: catalog, distribution, host, taxonomy, 126
- Chen1983: distribution, taxonomy, 65, 98
- Chou1985: description, distribution, host, taxonomy, 352-353
- Hua2000: distribution, host, 149
- ShiLi1991: host, 165
- Takagi1970: taxonomy, 70
- Takagi1985: distribution, host, taxonomy, 41
- Takaha1935: description, distribution, host, illustration, taxonomy, 16-17
- Tang2001: taxonomy, 4
- Tao1978: distribution, host, 102
- Tao1999: distribution, host, 79
- Yang1982: distribution, taxonomy, 239, 247