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Title: Assessment of donor/recipient ratios in permethrin transfer studies with Reticulitermes virginicus Banks

Source: J. Entomol. Sci. 472(2):139-149

Author(s)Shelton, T. G.

Publication Year: 2012  View PDF »

Category: Journal Articles

Abstract: Crowding of termites may influence observed recipient mortality in donor-recipient toxicant transfer studies. It was hypothesized that if crowding were important, any termiticide (particularly repellent termiticides, which were not thought to transfer) could be transferred by contact among termites when the donor complement was sufficient. Termiticide transfer donor-recipient studies were performed with 5 ppm permethrin (a repellent termiticide; 30 min exposure time) in donor: recipient ratios of 10:90, 20:80, 30:70, 40:60, and 50:50 using 4 colonies of Reticulitermes virginicus Banks. Recipient mortality at 14 d was significantly different between treatments and controls in the 30:70 ratio for 3 colonies. Treatments and controls were significantly different for recipient mortality of one colony each in the 40:60 and 50:50 donor: recipient ratios. These results demonstrated that a repellent termiticide could be transferred by contact among termites with high donor percentages; they suggest that the phenomenon of toxicant transfer by contact may be influenced by crowding in these studies.

Keywords: toxicant transfer, Reticulitermes, permethrin, pyrethroids

Publication Review Process: Formally Refereed

File size: 2,663 kb(s)

Date posted: 06/20/2012

This publication is also viewable on Treesearch:  view
RITS Product ID: 60194
Current FPL Scientist associated with this product
Shelton, Thomas Guy
Research Entomologist
  

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