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Redescriptions of three poorly known Helotrephini (Insecta: Heteroptera: Helotrephidae)

H. Zettel and M. Papáček
Annalen des Naturhistorischen Museums in Wien. Serie B für Botanik und Zoologie
109. Bd. (2007), pp. 93-104
Published by: Naturhistorisches Museum
Stable URL: http://www.jstor.org/stable/41767394
Page Count: 12
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Redescriptions of three poorly known Helotrephini (Insecta: Heteroptera: Helotrephidae)
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Abstract

Three Helotrephini are redescribed. Heterotrephes admorsus Esaki & Miyamoto, 1959, so far only known from southern Japan, is the type species of the monotypic genus Heterotrephes Esaki & Miyamoto, 1959. Based on material collected with the type series, this species is redescribed and illustrated in details to complete a data set for a phylogenetic analysis of the Helotrephini. Newly recognized characteristics confirm the presently uncertain position of H. admorsus among the other genera of Helotrephini. Detailed descriptions of the female holotypes of Hydrotrephes kirkaldyi (Esaki & China, 1928) from Sri Lanka and Hydrotrephes martini (Kirkaldy, 1904) from Sumatra are provided. Drei wenig bekannte Helotrephini werden wiederbeschrieben. Heterotrephes admorsus Esaki & Miyamoto, 1959, ist bisher nur aus dem südlichsten Japan bekannt und Typusart des monotypischen Genus Heterotrephes Esaki & Miyamoto, 1959. Basierend auf Material, welches zusammen mit der Typenserie gesammelt worden ist, wird die Art detailliert beschrieben und abgebildet, um ein Merkmalsset für eine phylogenetische Analyse der Helotrephini zu vervollständigen. Die neu erkannten Merkmale bestätigen die gegenwärtige unsichere systematische Stellung von Heterotrephes admorsus zwischen anderen Gattungen der Helotrephini. Detaillierte Beschreibungen der weiblichen Holotypen der wenig bekannten Arten Hydrotrephes kirkaldyi (Esaki & China, 1928) von Sri Lanka und Hydrotrephes martini (Kirkaldy, 1904) aus Sumatra werden vorgestellt.

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