Trionymus okiensis sp. nov., a new species of mealybug from Japan (Hemiptera: Coccomorpha: Pseudococcidae)

Stránky	31-34
DOI	10.2478/aemnp-2018-0006
Klíčová slova	Hemiptera, Sternorrhyncha, Coccoidea, scale insects, Japanese silver grass, morphology, taxonomy, description, Oki Islands, Palaearctic Region
Citace	TANAKA, Hirotaka. Trionymus okiensis sp. nov., a new species of mealybug from Japan (Hemiptera: Coccomorpha: Pseudococcidae). Acta Entomologica Musei Nationalis Pragae. Praha: Národní muzeum, 2018, 58(1), 31-34. DOI: https://doi.org/10.2478/aemnp-2018-0006. ISSN 0374-1036 (print), 1804-6487 (online). Dostupné také z: https://publikace.nm.cz/periodicke-publikace/aemnp/58-1/trionymus-okiensis-sp-nov-a-new-species-of-mealybug-from-japan-hemiptera-coccomorpha-pseudococcidae

Acta Entomologica Musei Nationalis Pragae | 2018/58/1

A new species of mealybug (Hemiptera: Sternorrhyncha: Coccomorpha: Pseudococcidae), Trionymus okiensis sp. nov., is described based on adult females collected in Dougo Island, Shimane Prefecture, Japan, on Japanese silver grass, Miscanthus sinensis (Poaceae). The new species resembles Trionymus frontalis McKenzie, 1967 and Dysmicoccus boninsis (Kuwana, 1909), but differs from both those species in having 4 to 6 cerarii, relatively deep oral-collar tubular ducts of two different sizes on dorsum, a number of multilocular pores on the dorsum and more than 10 auxiliary setae on each anal lobe cerarius. A key to two species of Trionymus Berg, 1899 currently known from Japan is provided.

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