Aonidomytilus crookiae

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Aonidomytilus crookiae
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Hexapoda
Class:	Insecta
Order:	Hemiptera
Family:	Diaspididae
Subfamily:	Diaspidinae
Tribe:	Lepidosaphidini
Genus:	Aonidomytilus
Species:	A. crookiae
Binomial name
*Aonidomytilus crookiae* (Ferris, 1954)
Synonyms
Aonidomytilus multiglandulatus (Kosztarab, 1963)

Aonidomytilus crookiae is a species of scale insect in the family Diaspididae which are often referred to as "armored scale insects."^[1] It is commonly known as "St. John's Wort Scale."^[2] Originally named Nelaspis crookiae by Gordon Floyd Ferris in 1954,^[3] the taxon was moved to the genus Aonidomytilus in 1984^[4] as the result of a 1979 taxonomic revision of the genus.^[5] Aonidomytilus multiglandulatus is a junior synonym.^[1]

The scale of the female is approximately 1/10th of an inch (2.3mm) in length, oyster shell shaped, light brown in color turning yellowish white toward the apex, with orange yellow exuviae attached apically.^[1] The body of the female insect under the scale is slender and spindle-shaped, with lobed ventral margins.^[1] Their eggs are light purple in color.^[1]

A. crookiae parasitizes plants in the genus Cistus in the rockrose family Cistaceae and the genus Hypericum in the family Hypericaceae including Hypericum microsepalum and H. prolificum.^[6]

The species' geographic distribution includes the U.S. states Maryland, Virginia, Georgia, Florida, Alabama, Missouri, Illinois, Indiana, and Ohio, and probably adjacent states.^[6]

References

^ ^a ^b ^c ^d ^e Kosztarab, M. 1963. The Armored Scale Insects of Ohio (Homoptera: Coccoidea: Diaspididae). Bulletin of the Ohio Biological Survey 2 (n.s.): 120 pp.
^ Global Biodiversity Information Facility: Aonidomytilus crookiae (Ferris, 1954), https://www.gbif-uat.org/species/110091227, accessed 15 Dec 2017.
^ Ferris, G.F. 1954. New species of Diaspididae from Florida and the Caribbean Islands (Homoptera; Coccoidea). Contribution No. 88. Microentomology 19: 41-50.
^ Muse, B.J. Williams, M.L. 1984. Effects of temperature, host plant and aridity on taxonomic characters of armored scale insects (Homoptera: Diaspididae). Proceedings of the 10th International Symposium of Central European Entomofaunistics, Budapest, 15–20 August 1983, 375-377.
^ Barbara J. Muse. 1979. A Taxonomic Revision of the Armored Scale Insect Genus Aonidomytilus Leonardi (Homoptera: Diaspididae). Ph.D. dissertation, Auburn University, 221 pp.; Auburn University Library, http://catalog.lib.auburn.edu/vufind/Record/190595.
^ ^a ^b ScaleNet: Valid Names Results, Aonidomytilus crookiae (Ferris) 1954 (Diaspididae: Aonidomytilus), http://scalenet.info/catalogue/Aonidomytilus%20crookiae/, accessed 15 Dec 2017.

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