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Introduction and establishment of Carvalhotingis visenda (Hemiptera: Tingidae) as a biological control agent for cat's claw creeper Macfadyena unguis-cati (Bignoniaceae) in Australia

Dhileepan, K. and Treviño, M. and Bayliss, D. and Saunders, M. and Shortus, M. and McCarthy, J. and Snow, E.L. and Walter, G.H. (2010) Introduction and establishment of Carvalhotingis visenda (Hemiptera: Tingidae) as a biological control agent for cat's claw creeper Macfadyena unguis-cati (Bignoniaceae) in Australia. Biological Control , 55 (1). pp. 58-62.

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Article Link(s): http://dx.doi.org/10.1016/j.biocontrol.2010.06.016

Publisher URL: http://www.elsevier.com

Abstract

Carvalhotingis visenda (Hemiptera: Tingidae) is the first biological control agent approved for release against cat’s claw creeper Macfadyena unguis-cati (Bignoniaceae) in Australia. The mass-rearing and field releases of C. visenda commenced in May 2007 and since then more than half a million individuals have been released at 72 sites in Queensland and New South Wales. In addition, community groups have released over 11,000 tingid-infested potted cat’s claw creeper plants at 63 sites in Queensland. Establishment of C. visenda was evident at 80% of the release sites after three years. The tingid established on the two morphologically distinct ‘long-pod’ and ‘short-pod’ cat’s claw creeper varieties present in Australia. Establishment was more at sites that received three or more field releases (83%) than at sites that received two or less releases (73%); and also at sites that received more than 5000 individuals (82%) than at sites that received less than 5000 individuals (68%). In the field, the tingid spread slowly (5.4 m per year), and the maximum distance of C. visenda incidence away from the initial release points ranged from 6 m to approximately 1 km.

Item Type:Article
Additional Information:© Crown copyright. © Elsevier.
Keywords:Tingidae; mass-rearing; field release; community groups; establishment; weed; biological control; cat’s claw creeper; Australia.
Subjects:Science > Zoology > Invertebrates > Insects
Science > Invasive Species > Plants > Biological control
Deposited On:18 Nov 2010 04:54
Last Modified:18 Apr 2011 01:32

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