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Distribution and abundance of white grubs (Coleoptera: Scarabaeidae) on groundnut in southern India

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Anitha, V., Rogers, D.J., Wightman, J. and Ward, A. (2006) Distribution and abundance of white grubs (Coleoptera: Scarabaeidae) on groundnut in southern India. Crop Protection, 25 (8). pp. 732-740.


Article Link: http://dx.doi.org/10.1016/j.cropro.2005.10.001

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


Scarab species associated with groundnuts were surveyed in Andhra Pradesh, Karnataka and Tamil Nadu, southern India, between 1995 and 2001. Scarab adults were collected from trees on which they were feeding and/or mating, and larvae (white grubs) from groundnut fields. Holotrichia species, especially H. reynaudi and H. serrata were the major species associated with groundnut. H. reynaudi predominated in the central Deccan area, while H. serrata was most abundant in areas to the south and west. A new, undescribed, Holotrichia species near H. consanguinea was collected south and south-west of Hyderabad in mixed populations with H. reynaudi. However, the full extent of this new species’ distribution remains uncertain. H. rufoflava was rarely associated with groundnut, but was common as an adult at some locations.

Other genera encountered during surveys were Anomala, Adoretus, Schizonycha, Autoserica. In survey data, densities of Holotrichia larvae and ‘all other white grubs’ were both very highly correlated with % of damaged groundnut plants. These correlations in combination with concurrent observations of plant damage establish a causal link between white grubs and plant damage and death in southern Indian groundnut. Ranking of preferred host trees for adults were developed from field observations for four Holotrichia species and Schizonycha spp. and will assist grower-initiated surveys of pest occurrence. In combination with insecticide efficacy data published elsewhere, the survey provides the basis for an environmentally friendly and economically viable pest-management system for white grubs on groundnut in southern India.

Item Type:Article
Corporate Creators:Crop and Food Science , Department of Employment, Economic Development and Innovation (DEEDI), Agri-Science
Business groups:Crop and Food Science
Additional Information:© Elsevier Ltd. Reproduced in accordance with the copyright policy of the publisher. Access to published version may be available via Publisher’s website.
Keywords:Holotrichia serrata; Holotrichia reynaudi; peanut; Anomala; Adoretus; Schizonycha; Autoseric.
Subjects:Science > Zoology > Invertebrates > Insects
Plant culture > Fruit and fruit culture > Nuts
Plant pests and diseases > Individual or types of plants or trees
Live Archive:22 Oct 2007
Last Modified:03 Sep 2021 16:43

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