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Searching Behaviour of Metaphycus helvolus, (Compere) and Scutellista cyanea, Motschulsky on Hemispherical Scale, S. coffeae (Walker)


Citation

Ibrahim, Abdul Ghani (1988) Searching Behaviour of Metaphycus helvolus, (Compere) and Scutellista cyanea, Motschulsky on Hemispherical Scale, S. coffeae (Walker). Pertanika, 11 (1). pp. 1-5.

Abstract / Synopsis

The host searching of Metaphycus helvolus and Scutellisa cyanea were studied under two different constant temperatures of18 °Cand 26 °C. In the course of host-searching, both parasitoids were involved with host-drilling, handling, preening, walking and resting. Host-feeding only occurred with M. helvolus. S. cyanea spent more than fifty percent of the time walking at both temperatures. However, M. helvolus spent a greater proportion of time for three activities: walking, host-drilling and preening. The amount of time spent by M. helvolus on host-feeding was less than ten percent. The areas covered by M. helvolus and S. cyanea for host-searching at 26°C were 933 mm2/hr and 3517 mm2/hr. respectively.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Agriculture
Keywords: Metaphycus helvolus; Scutellista cyanea; Saissetia coffeae; temperature; host-searching.
Depositing User: Nur Izyan Mohd Zaki
Date Deposited: 17 Nov 2009 09:16
Last Modified: 27 May 2013 15:02
URI: http://psasir.upm.edu.my/id/eprint/2681
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