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The Kyushu University Museum, Kyushu University The tride Acalyptini is redefined, distiguished from the tribe Derelomoni and placed in the subfamily Curculioninae. Most genera classified in Derelomini from Asia are transferred to Acalyptini: Derelomorphus Marshall, Endela Oascoe, Eudelodes Zimmerman, Meredolus Marshall, Nodocnemus Marshall and Tithene Oascoe. Thus, at least in the Malesia (Malay Peninsula to New Guinea), Pacific islands and also Australia, weevils associated with the flowers of palms belong not to Derelomini but ti Acalyptini except for introduced species. The genera Orsophagus Roelofs and Imera Pascoe, which were synonymized with Acalyptus Schoenherr and Amorphoidea Motschulsky, respectivery, are resurrected to the status of full genera. All the genera classified in Acalyptini are briefly reviewed and a key to them in provied. Japanese, Korean and Taiwanese species are treated taxonomically, and a total of 5 genera and 7 species are recognized including the following nre species: Orsophagus subfasciatus [Japan, Taiwan and Thailand], Parimera flava [Japan], P. subflava [Taiwan] and Imera formosana [Taiwan]. Amorphoidea gososyppi (Pierce) known from the philippines is synonymous with A. lata, one of the famous pests of cotton in the Philippines. The genera Imera and parimera are recorded in this area fir the first time.
The Kyushu University Museum, Kyushu University Phylloplatypodini was established in Platypodidae at first by Kato (1998) and synonymized with Procecini of Cossoninae by Alonso-Zarazaga & Lyal (1999). Upon our detailed examination od adults and laevae, the systematic position od Phylloplatyoidini is concluded to have a sister relationship with Cossoninae on the adult characters, and provisinally raised its rank to a subfamily, Phylloplatypodinae in Curculinidae in our present knowledge. Family relationships of Scolytidae, Platypodidae, Dryophthoridae and Curculionidae are compared and a key to these families was provided.
The Kyushu University Museum, Kyushu University Laboratory of Insect Management, Faculty of Agriculture, Yamaguchi University(Yshihara) An aberrant genus Keibaris Chujo (=Abaris Voss) in Baridinae is newly transferred to Menemachini of Conoderinae (=Zygopinae) based on the comparisons of the morphological features with the related weevils having the meseparisons of the morphological features with the related weevils having the mesepimera ascended upwards. The genus and the type species, K. babai are redescribed.
Entomological Laboratory, Faculty of Agriculture, Kyushu University The Kyushu University Museum, Kyushu University As a result of our morphological observations of the weevil head, 26 characters are singled out for the phylognetic analysis of the principal families in Curculionoidea, of which 15 charactersare newly employed for this purpose. These characters are examined in detail and their modes of development are apeculated for making charavter matrix. The family relationship in Curculionoidea we inferred is mostly concordant with that in the cladogram by Marvaldi & Morrone (2000), but is very different in the positions of Scolytidae and Platypodidae, and these are regarded as the independent families divaricated from an internediate branch between the primitive and advanced families.
Entomological Laboratory, Faculty of Agriculture, Kyushu University Agathidium (Neoceble) curtipenne is redescribed from Hon- shu, Japan with illustrations of important features.
Entomological Laboratory. Faculty of Agriculture, Kyushu University Two new species of the genus Ochyromera are described from Japan: 0. pieridis sp. n and 0. rectirostris sp. n. The former was captured on leaves of Pieris japonicus of the family Ericaceae, and the latter was collected from leaf-litter in winter, and from tree foliage by sweeping. Revised key to Japanese species is provided for including two new species.
Entomological Laboratory. Faculty of Agriculture, Kyushu University Phylogenetic analysis of East Asian Ramphini was performed to make a classification system based on the inferred phylogenetic relationships of the genera and subgenera. Phylogenetic reconstruction was carried out by the computer program PAUP Version 3.1.1 (Swofford, 1993) on 36 characters. From the result obtained by this analysis, following genera and subgenera are recognized: Sphaerorchestes, Imachra, Synorchestes, Ramphus, Isochnus, Tachyerges, Hyporhynchaenus, Indodinorrhopalus, Rhynchaenus, Orchestes and Pseudorchestes. Rhynchaenus of traditional sense was regarded as paraphyletic and divided into two independent genera: Rhynchaenus and Orchestes, of which the latter includes three subgenera: Orchestes s. str., Alyctus and Nomizo. New system of higher classification of this tribe is proposed on the hypothesis about the phylogenetic relationship.
Entomological Laboratory, Faculty of Agriculture, Kyushu University First part of our study on the tribe Ramphini (=Rhynchaenini, Orchestini) from East Asia deals with weevils of the genera Sphaerorchesfes gen. nov., Imachra, Synorchestes, Tachyerges, Hyporhynchaenus, Indodinorrhopalus, Rhynchaenus sensu nov. and some species of Orchestes from Japan based on the new system proposed in the second part of our study, which is to be published in the continuation paper. New taxa, recombinations, synonymies and new records treated in this paper are as follows: Sphaerorchestes gen. nov., S. kawasei sp. nov. (Japan), S. kojimai sp. nov. (Sabah), S. nepalensis sp. nov. (Nepal) Zmachra Pascoe, 1873 = Orchestoides Roelofs, 1875, syn. nov. = Copidorrhinus Marshall, 1948, syn. nov. = Orchestinus Morimoto, 1964, syn. nov. Imachra saigusai sp. nov. (Taiwan); I. albosuturalis sp. nov. (Sabah); I. siamensis sp. nov. (Thailand); I. sabahna sp. nov. (Sabah); I. bifasciata sp. nov. (Sabah). I. oculata (Morimoto, 1964), comb. nov. (Orchestinus); I. maetai (Morimoto, 1964), comb. nov. Orchestoides), I. inornata (Voss, 1953), comb. nov. (Orchestoides); I. bbivittata (Marshall, 1948), comb. nov. (Copidorrhinus); I. decipiens (Roelofs, 1875). comv. nov. (Orchestoides); I. nipponica (Morimoto, 1964), comb. nov. (Orchestoides); 1. mundus (Voss, 1958), comb. nov. (Orchestoides); and I. shirozui (Morimoto, 1964), comb. nov. (Orchestoides). Synorchestes grisescens Voss, 1958, new record from Taiwan. Tachyerges nakamurai sp. nov. (Japan); T. dauricus (Faust, 1882), new record from Japan. Hyporhynchaenus sphinxioides sp. nov. (W. Malaysia). lndodinorrhopalus Pajni et Sood, 1981 is transferred to Ramphini from Dinorrhopalini; I. okushimni sp. nov. (Thailand); I. guttatus sp. nov. (Thailand, Napal). Rhynchaenus pacificu (Faust, 1887) = R. terminnssianne Egorov, 1978, syn. nov., new record from Japan and Korea. Orchestes amurensis (Faust, 1887) = Orchestes takabnynshii Kono, 1930, syn. nov. Orchestes (Orchestes) jota (Fabricius, 1787), new record from Japan. Orchesres (Orchestes) yokoae sp. nov. (Japan:Amami-Oshima I.). Keys to species of the genera Sphaerorchestes, Imachra, Tachyerges, Indodinorrhoplaus and Rhynchaenus are given.
Entomological Laboratory, Faculty of Agriculture, Kyushu University Three species of Bagous are described as new from Japan, B. yamazakii O’Brien & Morimoto, B. fractodes O’Brien & Morimoto, and B. nipponensis O’Brien & Morimoto. Bagous yamazakii, known only from males, possibly represents an entirely new species group, but probably is related to the B. hydrillae group, the species of which are in Australia. Bagous fractodes, known only from a single male, is similar to B. fractus of Japan, but evidently is not closely related to it. Bagous nipponensis is known only from a single female; it is clearly not any species hitherto known from Japan, but its phylogenetic position is equivocal. The key to Japanese species is modified to include these three new species. Habitus photographs and line illustrations of genitalia are provided.
... This ambiguity applies to several tribes that have brood-site pollinators. For instance, despite Derelomini being the most well-studied group of flower weevils, the relationship between Eastern and Western Hemisphere genera placed in the tribe remained unclear [14,32,39]. Therefore, the evolutionary history of true weevils remains poorly understood, and hypotheses underlying the emergence of specific lifestyles have not yet been addressed. ...
... This group includes approximately 62,000 described species [1] and is characterized by a complex taxonomic structure. There is no consensus on how many families this superfamily comprises [1][2][3][4][5][6][7][8][9][10]. Curculionoidea is represented by 131 extinct species in Baltic amber (e.g., [9,). ...
... There are many views on curculionoid systematics (e.g. Crowson, 1955Crowson, , 1981Crowson, , 1984Crowson, , 1986Morimoto, 1962aMorimoto, , 1962bMorimoto, , 1976Vaurie, 1976;Wood, 1986;Thompson, 1992;Zimmerman, 1993Zimmerman, , 1994aZimmerman, , 1994bKuschel, 1995;Morrone, 1997;Alonso-Zarazaga & Lyal, 1999;Marvaldi & Morrone, 2000;Morrone, 2000;Prena, 2001Prena, , 2003Prena, , 2010Meregalli, 2003;Morimoto & Kojima 2003, 2004Marvaldi et al., 2002;Marvaldi & Lanteri, 2005, Rheinheimer, 2015Legalov, 2018). However, we follow the Alonso-Zarazaga & Lyal (1999), Alonso-Zarazaga et al. (2017) and Legalov (2018) taxonomic classifications of Curculionidae, which demote Brachyceridae and Dryophthoridae to subfamilies of Curculionidae sensu lato and include Cryptorhynchinae in Molytinae (Lyal, 2014 ...
... In June 1959, the seed-feeding weevil Ochyromera ligustri Warner 1961 ( Figure 1) was first detected in Wake County, North Carolina, US, and was confirmed to be feeding on L. japonicum Thunberg 1780 [15,16]. The adults of this weevil are 3.0 to 4.7 mm in body length and feed on the fruits of L. amurense Carrière, 1861 [15,16], L. japonicum [15,16], L. lucidum WT Aiton, 1810 (Warner 1961) [15,16], L. sinense [15][16][17], Syringa spp., and Vitis spp. (Vitaceae; common name: grapes) [16]. ...
... The genus Imachra Pascoe, 1874 (type species Imachra ruficollis Pascoe, 1874, by monotypy) belongs to the subtribe Rhamphina of the tribe Rhamphini (Morimoto & Miyakawa 1996;Alonso-Zarazaga & Lyal 1999). It is closely related to the genus Sphaerorchestes Morimoto et Miyakawa, 1996 from which it differs in the 7-segmented funicle of the antennae and the short, robust and usually straight rostrum (Kojima & Morimoto 1996). ...
... The long snout weevils of the subfamily Baridinae have about 550 genera and 4300 species of which 84% of the genera and 82% of the species are known to occur in the New World (Morimoto & Yoshihara 1996), whereas Mecobaris is known only from India. This genus has not been studied in detail, and the only substantial work on these is by Marshall (1932) on taxonomy and Gardner (1938) on its larval morphology. ...
... From all 111 species, 50 could be identified to species level, the remainder at least to the genus level (two species with some doubt). The state of knowledge in this potentially The following genera could be identified by the following works: [30][31][32][33][34][35][36][37][38][39][40][41][42][43] and museum collections: Amorphoidea (6) and Opseoscapha (1) in Ochyromerini. Two of the three Katsurazo species are clearly different from those described by Kojima (1997) from Sabah. ...
... From all 111 species, 50 could be identified to species level, the remainder at least to the genus level (two species with some doubt). The state of knowledge in this potentially The following genera could be identified by the following works: [30][31][32][33][34][35][36][37][38][39][40][41][42][43] and museum collections: Amorphoidea (6) and Opseoscapha (1) in Ochyromerini. Two of the three Katsurazo species are clearly different from those described by Kojima (1997) from Sabah. ...
... The Oriental genus Acicnemis Fairmaire, 1849 (Coleoptera: Curculionidae: Trachodini) contains over 150 described species which are generally associated with decaying wood in broad-leaf forests (Alonso-Zarazaga et al. 2017;Alonso-Zarazaga and Lyal 1999;Morimoto and Miyakawa 1995;Zimmerman 1967 (Lee and Morimoto 1996;Morimoto and Miyakawa 1995;Zimmerman 1943). Morimoto (1962) and Morimoto and Miyakawa (1995) noted that examined members of Acicnemis possess deeply emarginate third tarsomeres, an aedeagus with an open tegmen ring, a complete eighth sternite (i.e., not divided medially; males only), a smooth pronotum, parallel-sided elytra, and fully developed hind wings, and primarily use this combination of characters to separate the genus from the closely related genera Trachodes Germar, 1823 [see Morimoto (2001) and Kojima (2010) for treatments of this genus] and the monotypic Karekizo Morimoto, 1962. ...
... Small-and medium-sized green spots are constrained to the dorsal and lateral surfaces of pronotum, elytra, and femora of beetles (Fig. 1). Bagous species have granulate, moderately to strongly pitted non-hydrofuge scales with clear and shellac-like or dense and subopaque waterproof coating, later often concealing scales and cuticle (O'Brien, Askevold, 1992). ...
