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Morphology of juvenile stages of Kuschelina bergi [Harold] with biological information [Coleoptera, Chrysomelidae, Alticini]

Por: Cabrera, Nora.
Colaborador(es): Sosa, Alejandro | Telesnicki, Marta Cecilia | Julien, Mic.
Tipo de material: Artículos y capítulos. Recurso electrónico.Tema(s): GALERUCINAE | ALTICINI | FLEA BEETLE | BIOLOGICAL CONTROL | PHYLA | ARGENTINA | Recursos en línea: Haga clic para acceso en línea | LINK AL EDITOR. En: ZooKeys Vol.561 (2016), p. p.51-61, grafs., tbls. fot.Resumen: Kuschelina bergi [Harold, 1881] is being studied to be evaluated as a natural enemy of Phyla nodiflora var. minor [Hook.] N. O`Leary and Múlgura [Verbenaceae], an invasive weed in Australia. Eggs, and 1st and 3rd instar larvae are described and illustrated for the first time. The following characters distinguish Kuschelina bergi: presence of two medial setae in prosternum, mesosternum and metasternum, absence of tubercle on sternum I and eight setae in abdominal segment IX. The 3rd instar larvae of K. bergi resemble Kuschelina gibbitarsa [Say] larvae: the body shape and details of mouthparts are similar, but the morphology of the mandible is different, as is the tarsungulus which has a single seta. Differences between K. bergi and other known larvae of Oedionychina are discussed. New biological data based on laboratory rearing and field observation are also presented and discussed.
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Kuschelina bergi [Harold, 1881] is being studied to be evaluated as a natural enemy of Phyla nodiflora var. minor [Hook.] N. O`Leary and Múlgura [Verbenaceae], an invasive weed in Australia. Eggs, and 1st and 3rd instar larvae are described and illustrated for the first time. The following characters distinguish Kuschelina bergi: presence of two medial setae in prosternum, mesosternum and metasternum, absence of tubercle on sternum I and eight setae in abdominal segment IX. The 3rd instar larvae of K. bergi resemble Kuschelina gibbitarsa [Say] larvae: the body shape and details of mouthparts are similar, but the morphology of the mandible is different, as is the tarsungulus which has a single seta. Differences between K. bergi and other known larvae of Oedionychina are discussed. New biological data based on laboratory rearing and field observation are also presented and discussed.

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