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A taxonomic review of the phytophagous ladybird beetles of the Diekeana alternans complex (Coleoptera: Coccinellidae: Epilachnini) with descriptions of eight new species and one new subspecies

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Title: A taxonomic review of the phytophagous ladybird beetles of the Diekeana alternans complex (Coleoptera: Coccinellidae: Epilachnini) with descriptions of eight new species and one new subspecies
Authors: Ohta-Matsubayashi, Yuri Browse this author
Katakura, Haruo Browse this author
Kahono, Sih Browse this author
Kikuchi, Namiki Browse this author
Ohta-Matsubayashi, Yuri Browse this author
Katakura, Haruo Browse this author
Kahono, Sih Browse this author
Kikuchi, Namiki Browse this author
Issue Date: Oct-2017
Publisher: The Research Faculty of Agriculture, Hokkaido University
Journal Title: Insecta matsumurana. New series : journal of the Faculty of Agriculture Hokkaido University, series entomology.
Volume: 73
Start Page: 1
End Page: 37
Abstract: A group of phytophagous ladybird beetles utilizing diverse host plants in South and Southeast Asia was reviewed as the Diekeana alternans complex. Ten species (one with two subspecies) including seven new species and one new subspecies were described or redescribed under this species complex. Diekeana hopeiana (Miyatake) was synonymized with D. grayi (Mulsant). Two other species were also incorporated into this complex based on literature information. Additonally, another species closely related to this species complex was described as new to science. Species of the D. alternans complex constituted a part of the Diekeana admirabilis group and were characterized by a "blade" situated at the apical part of penis of male genitalia. Almost all the species could be identified by the species-specific conditions of male genitalia. The species that utilize cucurbitaceous plants of the tribes Benincaseae, Sicyoeae and/or Cucurbiteae were widespread in South and Southeast Asia comprising at least four allopatric species. On the other hand, the species specialized to other taxonomic groups of host plants were localized in either Sumatra or Java with a possible exception of D. glochinosa (Pang & Mao) in South China. They often sympatrically occurred with each other or with one of the cucurbitaceous plant feeders.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/67680
Appears in Collections:Insecta matsumurana. New series : journal of the Faculty of Agriculture Hokkaido University, series entomology. > New Series 73

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