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A list of scale insects (Hemiptera: Coccoidea) intercepted on imported succulent plants at the plant quarantine of Korea from 2006 to 2010 is provided. A total of 15 species belonging to four families are listed. Of the 15 species that were intercepted, some species are potential pests that could gain entry and establish in Korea through the importation of plant material. Current information on intercepted scale insects is required to alert inspectors at quarantine sites to look carefully at succulent plants to prevent the introduction of an exotic species.
Carulaspis juniperi (Bouché) is newly documented as occurring in the Korean fauna of armored scales (Hemiptera: Diaspididae). The characters of this genus and species are redescribed based on specimens collected in Korea. In addition, four species of aphelinids (Hymenoptera: Aphelinidae) associated with C. juniperi were collected in Korea during the survey. Of these, Aphytis japonicus DeBach and Azim and Encarsia explorata (Silvestri) are recorded for the fi rst time from C. juniperi.
The checklist revealed 40 species of scale insects (Hemiptera: Coccoidea) intercepted at Korean ports of entry on dracaena and fi cus plants from southern Asia from 1996 to 2014. Brief diagnostic criteria and related information of the intercepted species are given to assist in the identifi cation of specimens of scale insects intercepted from these plant hosts. Additionally, this preliminary checklist of scale insects could be utilized as a basis for preventive measures in quarantine.
Andaspis recurrens Takagi and Kawai, Hypaspidiotus jordani (Kuwana), Lepidosaphes kamakurensis (Kuwana) and Selenomphalus distylii Takagi from warm temperate forests are newly documented in the Korean fauna of armored scale insects (Hemiptera: Diaspididae). Characteristics of these species are briefl y given and illustrative photographs and information on their distribution and hosts are provided.
Thirty-one species of mealybugs (Hemiptera: Pseudococcidae) are reported from South Korea based upon monitoring surveys conducted from 2010 to 2016, along with a dichotomous key to separate them. Six species, Nipaecoccus nipae (Maskell), Palmicultor lumpurensis (Takahashi), Planococcus citri (Risso), Pseudococcus dendrobiorum Williams, Pseudococcus longispinus (Targioni-Tozzetti), and Pseudococcus orchidicola Takahashi, known only to occur in greenhouses, are considered as adventive mealybug species to South Korea; of these, P. citri has already established in the exterior environment in South Korea.
Aleurolobus confusus David and Subramaniam and Bemisia lespedezae (Danzig) occurring on Stephanandra incisa (Thunb.) and Lespedeza bicolor Turcz. are newly documented in the Korean fauna of whiteflies (Hemiptera: Aleyrodidae). Characteristics of these species are briefly redescribed and illustrative photographs and information on their distribution and hosts are provided. A dichotomous key to whiteflies of Korea is given for correct species identification. In addition, the current status of Bemisia takahashii (Danzig) in Korea is discussed based on the results of a survey of the whiteflies of Korea and related papers.
Pseudaulacaspis kiushiuensis (Kuwana), Pseudaulacaspis latiloba (Takagi and Kawai) and Pseudaulacaspis
ulmicola Tang, occurring on Quercus, Carpinus and Zelkova plants are newly documented in the Korean fauna of armored scales (Hemiptera: Diaspididae). Characteristics of these species are briefl y redescribed and illustrative photographs and information on their distribution and hosts are provided. A dichotomous key to species of Pseudaulacaspis from Korea is given for correct species identifi cation. In addition, the current status of Pseudaulacaspis forsythiae (Kanda) and Pseudaulacaspis nishikigi (Kanda) in Korea is discussed based on the results of a survey of the armored scales of Korea and related papers.
Chionaspis acer (Takagi and Kawai) and Chionaspis wistariae Cooley, occurring respectively on Acer and Wisteria plants, are newly reported in the Korean fauna of armored scales (Hemiptera: Diaspididae). The characters of these species are briefl y redescribed with illustrative photographs and information on distribution and hosts. A dichotomous key to species of Chionaspis Signoret in Korea is provided for correct species identifi cation.