The impact of the hakea seed-moth Carposina autologa (Carposinidae) on the canopy-stored seeds of the weed Hakea sericea (Proteaceae)

Gordon, AJ.

Agriculture Ecosystems and Environment 45(1-2): 105-113

1993


ISSN/ISBN: 0167-8809
DOI: 10.1016/0167-8809(93)90062-t
Accession: 002521755

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Abstract
The effects of Carposina autologa (which was released in South Africa to control Hakea sericea in 1970) on canopy-stored seeds of the weed were evaluated in the southwestern Cape in 1988-91. Total seed destruction by C. autologa at the 2 study sites was estimated at 64.2 and 50.6%. H. sericea fruits with emergence holes were found 8 km south, 2 km north and 4 km northeast of release sites, indicating very good dispersal of the carposinid, probably wind-related.