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7 October 2023 New distribution of Reticulitermes speratus speratus (Blattodea: Rhinotermitidae) in Korea
Hyo bin Lee, Min Seok Seo, Sang-Bin Lee, Wonhoon Lee
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Abstract

Reticulitermes speratus (Kolbe) is economically important pest in East Asia including Korea, Japan, and China where they infest wooden structures in urban areas. Previously, it has been reported that R. speratus consists of 5 subspecies, R. speratus kyushuensis Morimoto, R. speratus speratus Kolbe, R. speratus leptolabralis Morimoto, R. speratus okinawanus Morimoto, R. speratus yaeyamanus Morimoto, while only R. speratus kyushuensis was recorded in Korea in the past. However, it remains elusive if different subspecies of R. speratus other than R. speratus kyushuensis are present in Korea. In this study, we report the first record of R. speratus speratus from Korea, which was verified using soldier morphology and molecular characteristics obtained from a mitochondrial gene. R. speratus speratus Kolbe, 1885 (Blattodea: Rhinotermitidae) are found in several provinces, mainly southern regions in Korea, whereas R. speratus kyushuensis are distributed throughout the country. Our morphological comparison showed that R. speratus speratus can be distinguishable from R. speratus kyushuensis by the ratio of the posterior postmentum width to length. In the molecular comparison, R. speratus speratus revealed genetic differences of 3.06% (range 2.60–4.10%) from R. speratus kyushuensis using cytochrome oxidase subunit II gene sequences.

Hyo bin Lee, Min Seok Seo, Sang-Bin Lee, and Wonhoon Lee "New distribution of Reticulitermes speratus speratus (Blattodea: Rhinotermitidae) in Korea," Journal of Economic Entomology 116(6), 2027-2034, (7 October 2023). https://doi.org/10.1093/jee/toad183
Received: 13 June 2023; Accepted: 16 September 2023; Published: 7 October 2023
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KEYWORDS
COII
Korea
Reticulitermes
species distribution
subterranean termite
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