New species, synonymies, and life-histories of the Southeast Asian treehopper genus Pyrgauchenia Breddin (Homoptera: Membracidae: Centrotinae)

U. E. Stegmann, M. D. Webb, K. E. Linsenmair

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Abstract

Taxonomic information and life-history observations are given for Pyrgauchenia treehoppers (Auchenorrhyncha: Membracidae) in South-East Asia. Specimens from field studies in Peninsular Malaysia and Sabah are identified as: P. biuni Stegmann & Webb sp. nov., P. pendleburyi Stegmann & Webb sp. nov., P. tristaniopsis Stegmann & Webb sp. nov., P. ?brevinota Funkhouser and P. colorata Distant. Two nominal species, P. angulata Funkhouser and P. brunnea Funkhouser, are placed as junior synonyms of P. colorata Distant syn. nov. Descriptions and detailed figures of the new species and P. colorata are given, together with type data and some morphological details for P. breddini, P. jugulata Buckton, P. kinabalense Breddin, P. wallacei Breddin, P. fulmeki Schmidt, P. foersteri Breddin and P. recurva Funkhouser. Pyrgauchenia nymphs (P. tristaniopsis) are described for the first time and an unusual morphological variant in adult females of the same species is described. The first study of the male and female genitalia of South-East Asian Centrotinae has revealed considerable similarity among the Pyrgauchenia species studied. Characters found in these structures and in the abdomen of the nymph, which may be useful at a higher level of classification, are discussed. A key and list of all Pyrgauchenia species is given, together with their distribution and life-history data (where known). The record of P. pendleburyi in Peninsular Malaysia is the first of this genus from mainland South-East Asia. Life-history observations, together with published records, demonstrate maternal egg-guarding, and a potential for polyphagy and for specificity in mutualistic ant partners.
Original languageEnglish
Pages (from-to)279-303
Number of pages25
JournalJournal of Natural History
Volume36
Issue number3
DOIs
Publication statusPublished - 2002

Fingerprint

Membracidae
Homoptera
life history
new species
South East Asia
Malaysia
nymphs
Auchenorrhyncha
female genitalia
Borneo
male genitalia
abdomen
ant
Formicidae
egg
taxonomy
Asia

Keywords

  • Pyrgauchenia
  • treehopper
  • south-east Asia
  • maternal care

Cite this

New species, synonymies, and life-histories of the Southeast Asian treehopper genus Pyrgauchenia Breddin (Homoptera: Membracidae: Centrotinae). / Stegmann, U. E.; Webb, M. D.; Linsenmair, K. E.

In: Journal of Natural History, Vol. 36, No. 3, 2002, p. 279-303.

Research output: Contribution to journalArticle

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abstract = "Taxonomic information and life-history observations are given for Pyrgauchenia treehoppers (Auchenorrhyncha: Membracidae) in South-East Asia. Specimens from field studies in Peninsular Malaysia and Sabah are identified as: P. biuni Stegmann & Webb sp. nov., P. pendleburyi Stegmann & Webb sp. nov., P. tristaniopsis Stegmann & Webb sp. nov., P. ?brevinota Funkhouser and P. colorata Distant. Two nominal species, P. angulata Funkhouser and P. brunnea Funkhouser, are placed as junior synonyms of P. colorata Distant syn. nov. Descriptions and detailed figures of the new species and P. colorata are given, together with type data and some morphological details for P. breddini, P. jugulata Buckton, P. kinabalense Breddin, P. wallacei Breddin, P. fulmeki Schmidt, P. foersteri Breddin and P. recurva Funkhouser. Pyrgauchenia nymphs (P. tristaniopsis) are described for the first time and an unusual morphological variant in adult females of the same species is described. The first study of the male and female genitalia of South-East Asian Centrotinae has revealed considerable similarity among the Pyrgauchenia species studied. Characters found in these structures and in the abdomen of the nymph, which may be useful at a higher level of classification, are discussed. A key and list of all Pyrgauchenia species is given, together with their distribution and life-history data (where known). The record of P. pendleburyi in Peninsular Malaysia is the first of this genus from mainland South-East Asia. Life-history observations, together with published records, demonstrate maternal egg-guarding, and a potential for polyphagy and for specificity in mutualistic ant partners.",
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N2 - Taxonomic information and life-history observations are given for Pyrgauchenia treehoppers (Auchenorrhyncha: Membracidae) in South-East Asia. Specimens from field studies in Peninsular Malaysia and Sabah are identified as: P. biuni Stegmann & Webb sp. nov., P. pendleburyi Stegmann & Webb sp. nov., P. tristaniopsis Stegmann & Webb sp. nov., P. ?brevinota Funkhouser and P. colorata Distant. Two nominal species, P. angulata Funkhouser and P. brunnea Funkhouser, are placed as junior synonyms of P. colorata Distant syn. nov. Descriptions and detailed figures of the new species and P. colorata are given, together with type data and some morphological details for P. breddini, P. jugulata Buckton, P. kinabalense Breddin, P. wallacei Breddin, P. fulmeki Schmidt, P. foersteri Breddin and P. recurva Funkhouser. Pyrgauchenia nymphs (P. tristaniopsis) are described for the first time and an unusual morphological variant in adult females of the same species is described. The first study of the male and female genitalia of South-East Asian Centrotinae has revealed considerable similarity among the Pyrgauchenia species studied. Characters found in these structures and in the abdomen of the nymph, which may be useful at a higher level of classification, are discussed. A key and list of all Pyrgauchenia species is given, together with their distribution and life-history data (where known). The record of P. pendleburyi in Peninsular Malaysia is the first of this genus from mainland South-East Asia. Life-history observations, together with published records, demonstrate maternal egg-guarding, and a potential for polyphagy and for specificity in mutualistic ant partners.

AB - Taxonomic information and life-history observations are given for Pyrgauchenia treehoppers (Auchenorrhyncha: Membracidae) in South-East Asia. Specimens from field studies in Peninsular Malaysia and Sabah are identified as: P. biuni Stegmann & Webb sp. nov., P. pendleburyi Stegmann & Webb sp. nov., P. tristaniopsis Stegmann & Webb sp. nov., P. ?brevinota Funkhouser and P. colorata Distant. Two nominal species, P. angulata Funkhouser and P. brunnea Funkhouser, are placed as junior synonyms of P. colorata Distant syn. nov. Descriptions and detailed figures of the new species and P. colorata are given, together with type data and some morphological details for P. breddini, P. jugulata Buckton, P. kinabalense Breddin, P. wallacei Breddin, P. fulmeki Schmidt, P. foersteri Breddin and P. recurva Funkhouser. Pyrgauchenia nymphs (P. tristaniopsis) are described for the first time and an unusual morphological variant in adult females of the same species is described. The first study of the male and female genitalia of South-East Asian Centrotinae has revealed considerable similarity among the Pyrgauchenia species studied. Characters found in these structures and in the abdomen of the nymph, which may be useful at a higher level of classification, are discussed. A key and list of all Pyrgauchenia species is given, together with their distribution and life-history data (where known). The record of P. pendleburyi in Peninsular Malaysia is the first of this genus from mainland South-East Asia. Life-history observations, together with published records, demonstrate maternal egg-guarding, and a potential for polyphagy and for specificity in mutualistic ant partners.

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KW - south-east Asia

KW - maternal care

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DO - 10.1080/00222930010023457

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