Chrysaster ostensackenella

Chrysaster ostensackenella is a moth of the family Gracillariidae. It is known from Ontario, Québec and Nova Scotia in Canada, and the United States (Illinois, Kentucky, New York, Maine, Maryland, Michigan, Vermont, Arizona, Massachusetts, North Carolina and Connecticut).[3][4] It has also been recorded in 2015 from China[5] and in 2017 from Korea,[6] and in 2022 from Central Italy.[7]

Chrysaster ostensackenella
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Infraorder:
Heteroneura
Family:
Gracillariidae
Genus:
Chrysaster
Species:
C. ostensackenella
Binomial name
Chrysaster ostensackenella
(Fitch, 1859)[1][2]
Synonyms
  • Argyromiges ostensackenella Fitch, 1859
  • Lithocolletis ostensackenella
  • Chrysaster ornatella (Chambers, 1871)

The wingspan is about 5 mm.[8] Adults are brilliantly shiny with an orange forewing marked with transverse silvery-white bands that are narrowly edged with black along their basal margins.[9]

The larvae feed on Robinia species, including Robinia hispida, Robinia neomexicana, Robinia pseudacacia and Robinia viscosa. They mine the leaves of their host plant. The mine has the form of a yellowish blotch mine. The mine usually occurs on the upperside, but occasionally on the underside, of the leaflet. It is nearly circular in its early stages, but later in development, it becomes irregular in shape.

References
  1. Fitch, Asa (1859). "Fifth report on the noxious and other insects of the State of New York". Transactions of the New York State Agricultural Society. 18: 781–855.
  2. Kumata, Tosio (1961). "Descriptions of a new genus and a new species of Gracillariidae from Japan (Lepidoptera)" (PDF). Insecta Matsumurana. 24 (1): 52–56.
  3. Chrysaster ostensackenella (Fitch, 1859). Global Taxonomic Database of Gracillariidae (Lepidoptera)
  4. Gregory R. Pohl; Jean-François Landry; Christian Schmidt; et al. (2018). Annotated checklist of the moths and butterflies (Lepidoptera) of Canada and Alaska. ISBN 978-954-642-909-4. ISSN 1312-0174. OL 32898597M. Wikidata Q97158808. {{cite book}}: |journal= ignored (help)
  5. Liu, Teng-Teng; Cai, Yan-Peng; Wang, Chuan-Zhen; Li, Hou-Hun (2015). "Biology of Chrysaster ostensackenella (Fitch), a new invasive pest of black locust Robinia pseudoacacia L. plantations, and a new record of a related species, in China". Chinese Journal of Applied Entomology. 52 (4): 942–950. doi:10.7679/j.issn.2095-1353.2015.113.
  6. Koo, Jun-Mo; Kim, Seulki; Cho, Soowon (2019). "Chrysaster ostensackenella (Fitch, 1859) (Lepidoptera: Gracillariidae) New to Korea". Korean Journal of Applied Entomology. 58 (3): 225–228. doi:10.5656/KSAE.2019.08.0.024.
  7. Huemer, Peter; Mayr, Toni (2022). "Chrysaster ostensackenella (Fitch, 1859), a potentially invasive species newly recorded from Europe (Lepidoptera, Gracillariidae)". Check List. 18 (6): 1237–1242. doi:10.15560/18.6.1237. S2CID 253546348.
  8. mothphotographersgroup
  9. microleps.org


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