A Revised List of the Weevil Subfamily Ceutorhynchinae
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J. Asia-Pacific Entomol. 7(2): 143 -169 (2004) www.entornology.or.kr A Revised List of the Weevil Subfamily Ceutorhynchinae (Coleoptera; Curculionidae) of the Korean Fauna, with Contribution to the Knowledge of the Fauna of Neighbouring Countries Boris A. Korotyaev and Ki-Jeong Hong' Zoological Institute, Russian Academy of Sciences, St. Petersburg 199034, Russia I Central Post-Entry Quarantine Station, National Plant Quarantine Service, Suwon 442-400, Korea Abstract 58 species are recorded from Korea based preceding publications (Hong et al., 1999a, 1999b; on re-examination ofthe previously reported material Hong et al., 2000; Hong et Korotyaev, 2002) and and study ofa new one. Six new species (Rutidosorna investigation ofadditional material on distribution and koreanurnKorotyaev et Hong, sp. n., Calosirus kwoni host plants of the Ceutorhynchinae in Korea have Korotyaev et Hong, sp. n., MJgulones kwoni Korotyaev provided new data on this fauna. Although still quite et Hong, sp. n., Augustinus koreanus Korotyaev et incomplete, these data stimulate some speculations on Hong, sp. n., Ceutorhynchoides koreanus Korotyaev the ecological and geographical characteristics of the et Hong, sp. n. and Mecysrnoderes koreanus Korotyaev Korean fauna. We hope that some preliminary con et Hong, sp. n.) are described from Korea, and siderations reported herein may facilitate further study 5 species [Pelenomus waltoni (Boheman, 1843), ofthis group in Korea and the entire Far East. Several Ceutorhynchus scapularis Gyllenhal, 1837,Hadroplontus new species are described from the neighbouring ancora (Roelofs, 1875), Thamiocolus kerzhneri countries apparently vicar to the Korean species or Korotyaev, 1980 and Glocianus fennicus (Faust, probably occurring in Korea but not found yet. The 1895)] are recorded from Korea for the first time. names of these species are given in square brackets The new subgenera Heorutidosoma Korotyaev et Hong, in the list. subgen. n. and Coelioderes Korotyaev, subgen. n. are Information on the type species and the synonymy erected in Rutidosorna and Mecysrnoderes, re of the genus-group taxa dealt with in this paper may spectively. The following new species are described be found in the world catalogue by Alonso-Zarazaga from the neighbouring countries: Ceutorhynchus and Lyal (1999). Data on the distribution of some japonicus Korotyaev, sp. n. from Japan (Honshu), genera reported in the cited catalogue are supplemented very closely related to C. cochleariae Gyllenhal; or otherwise changed according to the material Calosirus oxystorna Korotyaev, sp. n. from China, examined by us. Depositaries of the type material on very similar to C. kwoni Korotyaev et Hong, sp. n.; the new species are given in the descriptions. The Microplontus arnurensis Korotyaev, sp. n. from following acronyms are used for designations of the Khabarovsk Territory of Russia; Mecysrnoderes Museums where the relevantmaterial is stored: BMNH, nipponicus Korotyaev, sp. n. from Japan (Honshu), The Natural History Museum, London, U.K.; CMN, very closely relatedto M koreanus Korotyaev et Hong, Canadian Museum of Nature, Ottawa, Canada; CAS, sp. n. New host plants are recorded for several species; California Academy of Sciences, San Francisco, the host of Phytobiornorphus variegatus (Hustache) U.S.A.; COBR, collection C.W. 0' Brien, Tallahassee, is Lychnis sp. (Caryophyllaceae). U.S.A.; HNHM, Hungarian Natural History Museum, Budapest, Hungary; KNU, Kyungpook National Key words Ceutorhynchinae, Curculionidae, Coleoptera, University, Daegu, Korea; MNHN, Museum National Taxonomy, Korea, Japan, China, Russian Far East d' Histoire Naturelle, Paris, France; NIAST, National Institute of Agricultural Sciences and Technology, Rural Development Administration, Suwon, Korea; ZIN, Zoological Institute, Russian Academy of Introduct ion Sciences, St. Petersburg, Russia. _Re-examination of the material reported in the four 'Corresponding author. E-mail: [email protected] Systematics Tel: +82-31-202-6966; Fax: +82-31-204-0668 (Received March 30, 2004; Accepted May 25, 2004) Subfamily Ceutorhynchinae Gistel, 1856 144 J. Asia-Pacific Entomol. Vol. 7 (2004) Tribe Phytobiini Gistel, 1856 Genus Rhinoncus Schonherr, 1825 Genus Pelenomus Thomson, 1859 Rhinoncus bosnicus Schultze, 1900 t~Imi~JTDI Pelenomus quadricorniger (Colonnelli, 1986) ~O~JTDI Distribution. Korea (North, South), South of the Russian Far East, eastern Mongolia, Kazakhstan, C Distribution.Korea (Central,South),Japan(Hokkaido, and SE Europe, Caucasus. Honshu,Kyushu),China,Mongolia,Southofthe Russian Biological notes. In Europe, found on Polygonum Far East (Primorskii Terr.), Europe. mite Schrank (=Persicaria mitis Schrank) and several Biological notes. Host plants are Polygonum spp. species ofRumex; in NW Caucasus, Amurskaya Provo (Hong et al., 1999a). The adults were collected on and S Korea, on Rumex spp. Larvae were found near Polygonum spp. in moist places and near aquatic ha Krasnodar (NW Caucasus) in late August inside the bitats. The larva feeds on leaves of these plants fixing a stem base and, rarely, beneath the leaf-sheath of cocoon built before pupation (Caldara et 0' Brien, 1995). Rumex sp. on a sandy bank of the Kuban' River. Pelenomus waltoni (Boheman, 1843) Rhinoncus cribricolJis Hustache, 1916 ~~JTDI(t!~) (Plate 1-1) !!~OImiWHJTD I Phytobius waltoni Boheman, 1843, in Schonherr, Distribution. Korea (Central, South, Ulreung I., Gen. Sp. Cure. 7(2): 345 (TL: Europe). Jeju I.), Japan (Hokkaido, Honshu, Shikoku, Kyushu), Russia (Southern Kurile Is.). Diagnosis. Body length 2.2-2.8mm. The species is easily recognized by long and slender rostrum and moderately dense dorsal vestiture composed mostly Rhinoncus Iekovtevt Faust, 1893 of scales without metallic shine. ~±al~lo~JTDI Material examined. South Phenan Prov., Bong-ha ri, on the Te-dong River, 45km E ofPyongyang, Hung. Distribution. Korea (Central, South, Jeju I.), Japan Zool. Exp. I in Korea, No. 19, 23.v.1970 (Dr. S. (Hokkaido, Honshu, Shikoku, Kyushu), Mongolia, Mahunka, Dr. H. Steinmann), 1 female (HNHM); Russia (Eastern Siberia, South of the Far East). South Hamgyong Prov., Simpo (= Sinpo), 9.v.1990 Biological notes. Adults were found in Japan on (S.V. Murzin), 1 male (ZIN). Rumex acetosa L. (Morimoto et Lee, 1992). In Tuva Distribution. Korea (new record: North), Japan (southern C Siberia), beetles are common on large (Hokkaido, Honshu), South of the Russian Far East, plants of Rumex sp. and were found damaging Europe. cultivated Rheum compactum L. in the garden. Biological notes. In Japan and Europe, develops on Polygonum spp. Rhinoncus koreanus Korotyaev, 1997 Genus Phytobius Schonherr, 1833 !~IIi!iWHJ;1D I Distribution. Korea (Central). Phytobius japonicus Roelofs, 1875 ~m'HJ;1D1 Distribution. Korea (Central, South), Japan Rhinoncus nigrotibiaJis Wagner, 1939 (Honshu), South of the Russian Far East (Kuril Is.). DfCli!OHfi~ITD' Distribution. Korea (North, Central, South, Jeju 1.), Phytobius leucogaster (Marsham, 1802) South of the Russian Far East. .*J.ID 1i!i~JTD I Taxonomic notes. In Japan (Honshu, Shikoku, Kyushu), a very closely related species, Rh.fukienensis Distribution. Korea (South), China, Mongolia, C Wagner, 1940, is distributed (new record). Two Siberia, Transbaikalia, Yakutia, Kamchatka, Europe, specimens from Honshu in ZIN, collected by Dr. N. N America. Vojnovich (St. Petersburg), have been examined. Biological notes. Develops on Myriophyllum spp. Judging from the photographs in the bookby Morimoto A revised list of the weevil subfamily Ceutorhynchinae 145 (1994), this species is misidentified as Rh. Taxonomic note. Small specimens reported as perpendicularis Reich. Rh. fukienensis, known from Homorosoma chinense Wagner, 1944 in the previous China and Vietnam, probably substitutes Rh. publications (Hong et al., 1999a; Hong et al., 2000) nigrotibialis in the subtropical and tropical East and probably also belong to this species. Southeast Asia. An intergradation between these two Biological notes. In South Korea, common on forms is also not unlikely, so that additional material Polygonum sp. along temporary and lasting waterbeds, from Korea, especially from its southernmost part, at roadsides. might facilitate a better understanding of their systematic interrelations. Genus Rhinoncomimus Wagner, 1940 Biological notes. Beetles are found on Polygonum spp. This genus is very closely related to Homorosoma Friv. and its placement in Rhinoncini has no sub stantiation. The only considerable external difference Rhinoncus perpendicularis (Reich, 1797) of Rhinoncomimus from Homorosoma is the short Ofalo~''tf1TD I rostrum similar to that in Rhinoncus, but there are no intermediate forms between Rhinoncomimus and Distribution. Korea (Central-apparently recently Homorosoma. introduced), Mongolia, Western and Eastern Siberia NE to Yakutia, Europe. Rhinoncomimus tatipes Korotyaev, 1997 ~ltWttITDI Rhinoncus sibiricus Faust, 1893 o~WttITDI Distribution. Korea (North, Central, South, Jeju I.), Distribution. Korea (North, Central, South, Jeju 1.), Russia (Primorskii Terr.). Japan (Hokkaido, Honshu, Shikoku, Kyushu), China, Biological notes. The type series was collected in Taiwan, Mongolia, Russia (Eastern Siberia, Yakutia, Primorskii Terr. on Truellum thunbergii (Siebold et southern Far East). Zucc.) Sojak; in South Korea, several specimens were Biological notes. This species is commonly found swept from this species or closely related T perfoliatum on Polygonum spp. in Japan (ChUj6 et Morimoto, (L.) Sojak, In all places, collection provided