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Distribution of the spittlebug Deois flavopicta Stal (Homoptera: Cercopidae) on wild and cultivated host species Anais da SEB
Pires,Carmen S. S.; Price,Peter W.; Oliveira,Regina C. de.
Eleven species of native or naturalized grasses were found hosting spittlebug nymphs in the natural grassland areas around Brasília in the Fe-deral District of Brazil. A large number of nymphs were found on the species Axonopus marginatus (Trin.) Chase. Out of a total of 224 observed nymphs, 85.7% were found feeding on A. marginatus. Apparently the presence of the spittlebug nymphs in the cerrado vegetation, the Brazilian savanna, was associated with any form of disturbance, such as cattle grazing and partial deforestation. Nymphs were found only in disturbed areas of the "cerrado campo sujo" and in the cerrado sensu strictu. The densities of spittlebug nymphs in the cerrado were lower than the density found in the cultivated pasture. The nymphal density...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Insecta; Nymphal density; Brazilian savanna; Brachiaria spp.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0301-80592000000300003
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