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REVIEW OF THE NEARCTIC IDIOCERINI, EXCEPTING THOSE FROM THE SONORAN SUBREGION (RHYNCHOTA: HOMOPTERA: CICADELLIDAE)

Published online by Cambridge University Press:  31 May 2012

K. G. A. Hamilton
K. G. A. Hamilton
Affiliation:
Biosystematics Research Institute, Agriculture Canada, Ottawa K1A 0C6
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Abstract

The Nearctic Idiocerini exclusive of the fauna of the Sonoran subregion are reviewed. The 68 recognized species are assigned to three genera: Idiocerus Lewis, Rhytidodus Fieber, and Balcanocerus Maldonado-Capriles. Three subgenera of Idiocerus are recognized, including I. (Liocratus) Dub. and I. (Populicerus) Dlab. (n. stat). Sahlbergotettix Zvk., 1953, Viridicerus Dlab., 1974, Tremulicerus Dlab., 1974, and Acericerus Dlab., 1974 are synonymized with Idiocerus Lewis, 1834.

Sixteen new species of Idiocerus are described: aureus, carolina, cedrus, freytagi, gillettei, immaculatus, inebrius, iodes, lucidae, midas, pericallis, taiga, unicolor, vanduzeei, venosus, and xanthiops. I. varions n. n. is created for varias DeLong & Hershberger, 1947 (nec Germar, 1818). I. lunaris Ball (n. stat.), I. obsoletus (Wlk.) (n. stat.), and I. raphus Freytag (n. stat.) are recognized as valid species for the first time. Twelve other species are removed from synonymy. I. verrucosus Ball is placed as a subspecies of I. musteus Ball (n. stat.). Five new synonymies are created: alnirubratus Bliven, 1955 = I. couleanus Ball & Pkr., 1946; nigrens DeL. & Cld., 1937 = I. distinctus Gill & Bak., 1895; duzeei Prov., 1890 and vagus Ball, 1902 = obsoletus Walker, 1851; and apertus DeL & Hbr., 1947 = I. verticis (Say), 1831.

Additional characters of the male antennae, male abdominal apodemes, and female ovipositor are described and illustrated. The phylogeny and hosts of the members of Idiocerus are discussed. Keys are provided to the genera of the Nearctic Idiocerini, and to the species of Idiocerus of the Nearctic region, exclusive of the Sonoran subregion, for both sexes.

Résumé

L’auteur étudie les Idiocerini néarctiques, sauf la faune de la sous-région sonorienne. Les 68 espèces reconnues sont affectées à trois genres, soit Idiocerus Lewis, Rhytidodus Fieber et Balcanocerus Maldonado-Capriles. Trois sous-genres d’Idiocerus sont établis, y compris I. (Liocratus) Dub. et I. (Populicerus) Dlab. (rec.). Sahlbergottetix Zvk., 1953, Viridicerus Dlab., 1974., Tremulicerus Dlab., 1974 et Acericerus Dlab., 1974 sont considérés comme des synonymes d’Idiocerus Lewis, 1834.

L’auteur décrit seize nouvelles espèces d’Idiocerus, soit aureus, carolina, cedrus, freytagi, gillettei, immaculatus, inebrius, iodes, lucidae, midas, pericallis, taiga, unicolor, vanduzeei, venosus, et xanthiops. I. varions (nouveau nom) remplace varius DeLong & Hershberger, 1947 (nec Germar, 1818). I. lunaris Ball (rec.), I. obsoletus (Wlk.) (rec.) et I. raphus Freytag (rec.) sont reconnus pour la première fois comme des espèces véritables. Douze autres espèces sont supprimées comme synonymes. I. verrucosus Ball est établi comme sous-espèce de I. muteus Ball (rec.). Cinq nouveaux synonymes sont créés, soit alnirubratus Bliven, 1955 = I. couleanus Ball & Pkr., 1946; nigrens DeL. & Cld., 1937 = I. distinctus Gill & Bak., 1895; duzeei Prov., 1890 et vagus Ball, 1902 = obsoletus Walker, 1851; et apertus DeL. & Hbr., 1947 = I. verticis (Say), 1831.

L’auteur décrit et illustre d’autres caractères des antennes et des apodèmes abdominaux mâles, ainsi que de l’ovipositeur femelle. Il étudie la phylogénie et les divers hôtes des représentants d’Idiocerus. L’article comprend également des clés des genres d’Idiocerini néarctiques et des espèces d’Idiocerus de la région néarctique, à l’exception de la sous-région sonorienne, et ce, pour les deux sexes.

Type
Articles
Information
The Canadian Entomologist , Volume 112 , Issue 8 , 01 August 1980 , pp. 811 - 848
Copyright
Copyright © Entomological Society of Canada 1980

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