Morphology of juvenile stages of Kuschelina bergi [Harold] with biological information [Coleoptera, Chrysomelidae, Alticini]
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.
Main Authors: | Cabrera, Nora, Sosa, Alejandro, Telesnicki, Marta Cecilia, Julien, Mic |
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Format: | Texto biblioteca |
Language: | eng |
Subjects: | GALERUCINAE, ALTICINI, FLEA BEETLE, BIOLOGICAL CONTROL, PHYLA, ARGENTINA, , |
Online Access: | http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=47362 http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber= http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber= |
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