Sublethal effects of mosquito larvicides on swimming performance of larvivorous fish Melanotaenia duboulayi (Atheriniformes : Melanotaeniidae)

Hurst, T. P., Kay, B. H., Ryan, P. A. and Brown, M. D. (2007) Sublethal effects of mosquito larvicides on swimming performance of larvivorous fish Melanotaenia duboulayi (Atheriniformes : Melanotaeniidae). Journal of Economic Entomology, 100 1: 61-65. doi:10.1603/0022-0493(2007)100[61:SEOMLO]2.0.CO;2


Author Hurst, T. P.
Kay, B. H.
Ryan, P. A.
Brown, M. D.
Title Sublethal effects of mosquito larvicides on swimming performance of larvivorous fish Melanotaenia duboulayi (Atheriniformes : Melanotaeniidae)
Journal name Journal of Economic Entomology   Check publisher's open access policy
ISSN 0022-0493
1938-291X
Publication date 2007-02-01
Sub-type Article (original research)
DOI 10.1603/0022-0493(2007)100[61:SEOMLO]2.0.CO;2
Volume 100
Issue 1
Start page 61
End page 65
Total pages 5
Place of publication Lanham, MD, United States
Publisher Entomological Society America
Language eng
Subject 0699 Other Biological Sciences
0599 Other Environmental Sciences
Abstract Laboratory studies were conducted to determine the sublethal effects of exposure to selected larvicides on the critical swimming speed (U-crit) of Crimson-spotted rainbowfish, Melanotaenia duboulayi (Castlenau). This native fish is common throughout southeastern Queensland, and it is increasingly being distributed as a biological control agent of mosquitoes. The selected larvicides included, two organophosphate (OP) compounds (temephos and pirimiphos-methyl), two microbial larvicides (Bacillus thuringiensis spp. israelensis [Bti] de Barjac and Bacillus sphaericus [Bs] Neide), and an insect growth regulator (IGR) (s-methoprene). Exposure to the OP temephos at 10 times the effective field concentration (EFC; 0.33 mg/liter), and OP pirimiphos-methyl at the EFC (0.50 mg/ liter), resulted in a significant reduction in the U-crit of M. duboulayi under controlled conditions. Conversely, exposure to the microbial (Bti and Bs) and IGR (s-methoprene) larvicides at 10 times the EFC had no effect on the U-crit of M. duboulayi. Accordingly, these products are suitable for integrated pest management programs in Australia.
Keyword Entomology
Melanotaenia
Sublethal effects
Larvicides
Organophosphate
Mosquito
Bacillus-sphaericus
Pesticides
Toxicity
Insecticides
Responses
Temephos
Q-Index Code C1
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Biomedical Sciences Publications
 
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Created: Tue, 19 Feb 2008, 02:10:00 EST