Pseudaonidia paeoniae
(Cockerell, 1899)
Peony Scale
Pseudaonidia paeoniae, commonly known as the Peony , is a of insect in the Diaspididae. It is a specialized herbivore that feeds on peonies (Paeonia spp.), extracting plant fluids through . The species has been documented across multiple continents including Asia, Europe, and North America, likely distributed through the horticultural trade of its plants. Like other armored scales, it produces a protective waxy covering (test) that shields the body from and environmental conditions.
Pronunciation
How to pronounce Pseudaonidia paeoniae: //ˌsjuːdəʊəˈnɪdiə piːˈəʊnɪiː//
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Distribution
Documented from China, Japan, Georgia, Italy, and the United States (conterminous 48 states). The distribution pattern suggests introduction to regions outside its native range through cultivated peony plants.
Diet
Feeds on peonies (Paeonia ). The specific epithet and reflect this association.
Host Associations
- Paeonia - primary Specific ; and epithet derived from this association
Human Relevance
Considered a pest of ornamental peonies in . can reduce plant vigor and aesthetic value. Management may be required in nursery and garden settings.
Similar Taxa
- Other Pseudaonidia species-level morphological similarities in test structure and body form; requires examination of plant and microscopic features for separation
- Other armored scale insects (Diaspididae) on peoniesMay co-occur on same ; P. paeoniae is distinguished by its association with Paeonia and specific test
More Details
Nomenclature
Originally described as Aspidiotus duplex paeoniae by Cockerell in 1899, later transferred to Pseudaonidia. The basionym reflects early classification within a broader Aspidiotus concept.