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The Australian species classified in the cosmopolitan genus Scymnus are revised. Nomenclatural history, diagnoses, illustrations and distribution are provided for each of the eleven recognized species. Scymnus fuscatus Boheman, 1859 is recorded from Australia for the first time. Four new species, Scymnus alligator, S. bunya, S. leai and S. tasmanicus are described. Lectotypes are designated for: Midus pygmaeus Blackburn, 1892, Scymnomorpha duplopunctulata Blackburn, 1892, Scymnus ambulans Blackburn, 1895, S. mitior Blackburn, 1895, S. parallelus Blackburn, 1889, S. queenslandicus Blackburn, 1892 and S. varipes Blackburn, 1895. A new name Scymnus blackburni nom. nov. is introduced for Scymnus pygmaeus (Blackburn, 1892) preoccupied by Scymnus pygmaeus (Fourcroy, 1785). Scymnus varipes Blackburn, 1895 is recognised as a junior synonym of Scymnus ambulans Blackburn, 1895 (syn. nov.)
Species of Anisorcus Crotch are revised, diagnosed and illustrated. Notes on the genus and nomenclatural history for each species are provided. Lectotypes are designated for Anisorcus affinis Crotch and Anisorcus fryi Crotch. Anisorcus malayanus Crotch is recorded from Solomon Islands and Vanuatu for the first time. Keys to Australasian genera of Chilocorini and to Anisorcus species are presented.
Four new species of Indalmus from China: Indalmus circumdatus sp. nov., I. guizhouensis sp. nov., I. medogensis sp. nov. and I. yunnanensis sp. nov. are described and illustrated. The key to the species of Indalmus known in China is given.
The Australian members of the coccinellid tribe Sticholotidini are revised. The tribe in Australia consists of the genus Sticholotis Crotch and a new monotypie genus Chaetolotis gen. nov. (type species: Ch. amy sp. nov.) and is restricted in its distribution to the tropical and subtropical parts of Queensland and coastal New South Wales. Nesolotis Miyatake, 1966 and Paranesolotis Hoang, 1982 are synonymised with Sticholotis Crotch, 1874 (new synonyms). Among five currently recognized species of Sticholotis in Australia, three are described as new (S. culleni, S. cooloola, S. tozer). Gymnoscymnus explanatus Blackburn, 1895 is synonymised with G. quadrimaculatus Blackburn, 1892 (=Sticholotis quadrimaculata). The lectotypes are designated for: Gymnoscymnus explanatus Blackburn and Sticholotis redimita Weise. Nomenclatural history, diagnoses and distribution are provided for each species. Keys to the genera and species are also presented.
Three new species of the Australian genus Myrabolia (M. championi, M. malgosiae, M. weiri) are described, diagnosed and illustrated. The key to the known species of the genus is updated.
Atopomychus gen. nov. along with A. longicornis sp. nov. (Coleoptera: Endomychidae) from Ecuador is described and illustrated. Its placement within the subfamily Lycoperdininae is discussed. A key to genera of the Neotropical Lycoperdininae is updated.
The species of Rodatus Mulsant are revised and illustrated. The following new synonyms are proposed: Rodatus bakewellii Crotch, 1874 [= Rodatus australis (Blackburn, 1889); Rodatus depressus Weise, 1895; Rhizobius subaustralis Blackburn, 1895]; Rodatus boucardi Crotch, 1874 [= Rodatus major (Blackburn, 1889); Rodatus crotchi (Blackburn, 1895)]. The lectotypes are designated for: Rhizobius australis Blackburn, Rhizobius crotchi Blackburn, Rhizobius discolor var.? proprius Blackburn, Rhizobius major Blackburn, Rhizobius nigronotatus Blackburn, Rhizobius ornatipennis Blackburn, Rhizobius subaustralis Blackburn. The following new species are described: Rodatus tasmanicus, R. marginalis, R. chaetonotus. The species of Rodatus are diagnosed and keyed. Nomenclatural history and distribution are provided for each species.
Henosepilachna niaki, sp. nov. from New Guinea is described and illustrated. Status of Henosepilachna Li, 1961 as a valid genus within the tribe Epilachnini is discussed.
Cyclotoma kerintji sp. nov. from Sumatra is described and illustrated. An updated key to the world species of Cyclotoma is presented.
Amphistethus biwenxuani sp. nov. from Xizang, China is described and illustrated. Key to the species of Amphistethus is updated, based on the key of Tomaszewska (2001).
Species of the genus Orcus Mulsant, 1850 are revised, keyed and illustrated. Orus biroi var. ruficollis Weise, 1902 is regarded as a synonym of Orem biroi Weise, 1902 new synonym. Lectotypes are designated for Orcus biroi Weise, Orcus biroi var. ruficollis Weise, Orem cinctm Weise and Orem nigricollis Weise. Three new species, all from New Guinea, are described: Orem cordifomiis, O. tetrafasciatus, O. viridulus. Orem carinicm Gorham, O. bipunctatm Gorham and O. quadriguttatm Gorham are removed from Chilocorini and transferred to the genus Sticholotis Crotch (Sticholotidini) (new combinations). Distribution, nomenclatural history and diagnoses are provided for each species.
Stroheckeria quadrimaculata gen. and sp. nov. (Coleóptera: Endomychidae, Lycoperdininae) from Vietnam is described and illustrated. Placement of this genus within the subfamily Lycoperdininae is discussed.
Henosepilachna frusciantei, a new species from New Guinea is described and illustrated. It belongs to the group of species related to Henosepilachna vigintioctopunctata (Fabricius, 1775).
The first paper dealing with revision of the Australian members of cosmopolitan genus Diomus Mulsant treats 30 species, mostly with distinct colour pattern, that can be identified using external characters. Nomenclatural history, diagnoses, illustrations and distribution are provided for each species. Fifteen new species are described: Diomus ancorus sp. nov., D. bimaculatus sp. nov., D. brookfieldi sp. nov., D. capital sp. nov., D. kuranda sp. nov., D. kosciuszko sp. nov., D. millaamillaa sp. nov., D. marmorosus sp. nov., D. ningning sp. nov., D. reidi sp. nov., D. storeyi sp. nov., D. tinaroo sp. nov., D. torres sp. nov.,D. weiri sp. nov., D. zborowskii sp. nov.. The following new synonyms are proposed: Diomus sphragitis (Weise, 1885) = Scymnus trilobus Lea, 1902 = Scymnus indistinctus Lea, 1902; Diomus Sydneyensis (Blackburn, 1892) = Scymnus mimicus Lea, 1902 = Scymnus pectoralis Lea, 1902 (new synonyms). Scymnus australis Blackburn, 1889 is transferred to Diomus (new combination). Lectotypes are designated for the following taxa: Diomus rusticus Weise, 1859; Scymnus australis Blackburn, 1889; S. corticalis Lea, 1908; S. cucullifer Blackburn, 1892; S. ementitor Blackburn, 1895; S. flavifrons Blackburn, 1889; S. flavolaterus Lea, 1926; S. indistinctus Lea, 1902; S. jocosus Blackburn, 1892; S. kamerungensis Blackburn, 1895; S. meyricki Blackburn, 1889; S. mimicus Lea, 1902; S. notescens Blackburn, 1889; S. pectoralis Lea, 1902; S. (D.) pumilio Weise, 1885; S. (D.) scapularis Weise, 1885; S. striatus Lea, 1902; S. sydneyensis Blackburn, 1892; S. tenebricosus Boheman, 1859 and S. trilobus Lea, 1902.
The family Protocucujidae is characterized on the basis of adult and larva, and its phylogenetic position within the basal families of Cucujoidea is discussed. The species of the temperate genus Ericmodes Reitter (=Protocucujus Crowson) are revised. Seven species, 4 from southern South America and 3 from Australia, are recognized. Four new species are described: Ericmodes costatus (Australia: NSW), E. lawrencei (Australia: QLD), E. tarsalis (Chile) and E. nigris (Chile). Descriptions of all species, figures and a key to the species of Ericmodes are provided. E. synchitoides Reitter, 1878 is designated as the type species of Ericmodes Reitter, 1878. A neotype is designated for Ericmodes fuscitarsis Reitter, 1878. Lectotypes are designated for: Coxelus sylvaticus R. Philippi, 1864; Ericmodes australis Grouvelle, 1893 and E. synchitoides Reitter, 1878. Ericmodes chilensis (Crowson, 1954) is synonymized with E. fuscitarsis Reitter, 1878 syn. nov. The proposed phylogeny of the species of Ericmodes postulates that the Australian and South American species form separate clades, probably originating before the break up of Gondwanian bridge between these land masses through Antarctica. Ericmodes shows the closest relationship to the temperate sphindid genus Protosphindus Sen Gupta et Crowson, and the sister group relationship between Sphindidae (=Aspidiphoridae) and Protocucujidae seem to be well supported by the presented data.
Species of the Oriental genus Avencymon are reviewed. The following new synonym is proposed: Avencymon ruficephalus (Ohta, 1931) (= Avencymon concolor (Strohecker, 1951). A new species of Avencymon, A. bicolor from Indonesia is described and illustrated. Taxonomic notes on the genus and a key to its known species are provided. The placement of Avencymon within the subfamily Lycoperdininae is confirmed.
The first descriptions of immature stages for the genus Megischyrus Crotch are provided. Descriptions are given for the final larval instar of Megischyrus discipennis Lacordaire and a Megischyrus species tentatively identified as M. nicaraguae Crotch. The egg of M. discipennis is briefly characterized. The descriptive literature on larval Erotylidae is reviewed.
Two new species of the Neotropical genus Acinaces (A. nataliae and A. kumeralis) from Peru are described, diagnosed and illustrated. The following new status is proposed: A. stroheekeri Tomaszewska, 2003 ( =A. lebasii stroheckeri Tomaszewska, 2003). Notes on the colour variation of A. laceratus, the most variable species of the genus are provided. The key to the known species of the genus is updated.
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