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LAST INSTAR LARVAE OF PYRAUSTINI OF AMERICA NORTH OF MEXICO (LEPIDOPTERA: PYRALIDAE)1

Published online by Cambridge University Press:  31 May 2012

Suzanne Allyson
Affiliation:
Biosystematics Research Institute, Agriculture Canada, Ottawa K1A 0C6

Abstract

The last instar larvae of the tribe Pyraustini of America north of Mexico are described. Thirty-five species and 19 genera are included in this study, Munroeodes Amsel—1 species, Saucrobotys Munroe—1 species, Epicorsia Hübner—1 species, Oenobotys Munroe—1 species, Crocidophora Lederer—1 species, Ostrinia Hübner—3 species, Fumibotys Munroe—1 species, Eurrhypara Hübner—1 species, Phlyctaenia Hübner—1 species, Nealgedonia Munroe—1 species, Mutuuraia Munroe—1 species, Anania Hübner—1 species, Hahncappsia Munroe—5 species, Achyra Guenée—2 species, Helvibotys Munroe—1 species, Sitochroa Hübner—1 species, Uresiphita Hübner—1 species, Loxostege Hübner—5 species, and Pyrausta Schrank—6 species. The last instar larvae of 10 species are described for the first time, Munroeodes thalesalis (Walker), Oenobotys vinotinctalis (Hampson), Crocidophora pustuliferalis Lederer, Nealgedonia extricalis (Guenée), Pyrausta dapalis (Grote), P. fodinalis (Lederer), P. sp. near laticlavia (Grote and Robinson), P. orphisalis Walker, P. tyralis (Guenée), P. unifascialis (Packard). The relationships between the adults and the larvae are discussed. Key to the genera for last instar larvae is given, and the larval characters illustrated.

Résumé

Les larves du dernier stade de la tribu Pyraustini d’Amérique au nord du Mexique sont revisées. Trente-cinq espèces et 19 genres sont inclus, Munroeodes Amsel—1 espèce, Saucrobotys Munroe—1 espèce, Epicorsia Hübner—1 espèce, Oenobotys Munroe—1 espèce, Crodicophora Lederer—1 espèce, Ostrinia Hübner—3 espèces, Fumibotys Munroe—1 espèce, Eurrhypara Hübner—1 espèce, Phlyctaenia Hübner—1 espèce, Nealgedonia Munroe—1 espèce, Mutuuraia Munroe—1 espèce, Anania Hübner—1 espèce, Hahncappsia Munroe—5 espèces, Achyra Guenée—2 espèces, Helvibotys Munroe—1 espèce, Sitochroa Hübner—1 espèce, Uresiphita Hübner—1 espèce, Loxostege Hübner—5 espèces, Pyrausta Schrank—6 espèces. Les larves du dernier stade de dix espèces sont décrites pour la première fois, Munroeodes thalesalis (Walker), Oenobotys vinotinctalis (Hampson), Crocidophora pustuliferalis Lederer, Nealgedonia extricalis (Guenée), Pyrausta dapalis (Grote), P. fodinalis (Lederer), P. sp. près de laticlavia (Grote et Robinson), P. orphisalis Walker, P. tyralis (Guenée), P. unifascialis (Packard). Les relations entre les adults et les larves du dernier stade sont discutées. Une clef d’identification des larves du dernier stade au niveau du genre est inclue, et les caractères larvaires illustrés.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1981

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