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FIVE GENERA OF NEW-WORLD “SHOVEL-HEADED” AND “SPOON-BILL” LEAFHOPPERS (HEMIPTERA: CICADELLIDAE: DORYCEPHALINI AND HECALINI)

Published online by Cambridge University Press:  31 May 2012

K.G.A. Hamilton
K.G.A. Hamilton*
Affiliation:
Agriculture and Agri-Food Canada, Ottawa, Ontario, Canada K1A 0C6
*
1 E-mail: [email protected]).
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Abstract

New-world leafhoppers with strongly flattened heads are here assigned to three tribes: Deltocephalini (six genera), Dorycephalini (two genera), and Hecalini (seven genera). Revised keys are presented to the new-world genera, and 44 new-world species of the Nearctic genera Attenuipyga Oman (Dorycephalini) and Neohecalus Linnavuori, the Holarctic genera Hecalus Stål and Memnonia Ball, and the widespread new-world genus Spangbergiella Signoret (Hecalini). In Dorycephalini, Attenuipyga (with subgenus Dorycara Emeljanov, stat.nov.) has nine species, including Attenuipyga (s.s.) joyceaesp.nov. from Manitoba and Dorycephalus sinuatus Beamer, 1942b = Dorycephalus minor Osborn, 1920, syn.nov. In Hecalini, 10 species in Hecalus, 3 in Neohecalus, and 15 in Memnonia are recognized, including 20 species formerly in Parabolocratus Fieber, plus Hecalus finnamoreisp.nov., Neohecalus magnificussp.nov., Memnonia anthalopussp.nov., Memnonia maiasp.nov., and Memnonia panzerisp.nov. from the northern prairies and Memnonia leptaleasp.nov. from the Gulf states. Parabolocratus continuus DeLong, 1938 and Parabolocratus planus Shaw, 1932 are reduced to subspecific status in Hecalus montanus, and three names are synonymized: Parabolocratus inflatus DeLong, 1938 = Hecalus montanus (Ball, 1900); Parabolocratus rotundus DeLong, 1938 = Hecalus major (Osborn, 1915); and Parabolocratus elongatus DeLong, 1938 = Memnonia grandis (Shaw, 1932) syn.nov.

Résumé

Les cicadelles du Nouveau Monde qui possèdent une tête très aplatie sont classifiées ici en trois tribus, les Deltocephalini (six genres), les Dorycephalini (deux genres) et les Hecalini (sept genres). Des clés révisées permettront de distinguer les genres du Nouveau Monde et d’identifier 44 espèces du Nouveau Monde appartenant aux genres néarctiques Attenuipyga Oman (Dorycephalini) et Neohecalus Linnavuori, aux genres holarctiques Hecalus Stål et Memnonia Ball et au genre du Nouveau Monde à vaste répartition, Spangbergiella Signoret (Hecalini). Chez les Dorycephalini, Attenuipyga (avec le sous-genre Dorycara Emeljanov, stat.nov.) contient neuf espèces dont Attenuipyga (s.s.) joyceaesp.nov., du Manitoba et Dorycephalus sinuatus Beamer, 1942b = Dorycephalus minor Osborn, 1920, syn.nov. Chez les Hecalini, il faut reconnaître 10 espèces d’Hecalus, 3 de Neohecalus et 15 de Memnonia, dont 20 espèces appartenant auparavant au genre Parabolocratus Fieber, plus Hecalus finnamoreisp.nov., Neohecalus magnificussp.nov., Memnonia anthalopussp.nov. Memnonia maiasp.nov. et Memnonia panzerisp.nov. des prairies du nord et Memnonia leptaleasp.nov. des états du Golfe du Mexique. Parabolocratus continuus DeLong, 1938 et Parabolocratus planus Shaw, 1932 sont ramenés au rang de sous-espèces d’Hecalus montanus et trois espèces sont synonymisées, Parabolocratus inflatus DeLong, 1938 = Hecalus montanus (Ball, 1900), Parabolocratus rotundus DeLong, 1938 = Hecalus major (Osborn, 1915) et Parabolocratus elongatus DeLong, 1938 = Memnonia grandis (Shaw, 1938) syn.nov.

[Traduit par la Rédaction]

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Information
The Canadian Entomologist , Volume 132 , Issue 4 , August 2000 , pp. 429 - 503
Copyright
Copyright © Entomological Society of Canada 2000

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