Document Detail

Effects of salinity on the larvae of some Afrotropical anopheline mosquitoes.
MedLine Citation:
PMID:  2980197     Owner:  NLM     Status:  MEDLINE    
Laboratory experiments showed that the larvae of some freshwater-breeding Afrotropical anopheline species exhibit various degrees of tolerance to 25% sea-water. At 24 degrees C, survival rates from egg to fourth instar larva were significantly less in salt-water than in freshwater for four species: 39.5% versus 55.4% for Anopheles tenebrosus Dönitz, 31.9% versus 86.2% for An. mousinhoi De Meillon & Pereira, 3.5% versus 67.9% for An. pharoensis Theobald and 3.9% versus 41.9% for An. quadriannulatus (Theobald). Conversely, An. merus Dönitz showed a significantly better survival rate of 46.4% in 25% sea-water compared with 15.5% in freshwater. Simulated winter conditions did not significantly change these differential survival rates of An. merus. Effects of salinity on the anal papillae of third instar larvae are discussed.
M Coetzee; D Le Sueur
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Medical and veterinary entomology     Volume:  2     ISSN:  0269-283X     ISO Abbreviation:  Med. Vet. Entomol.     Publication Date:  1988 Oct 
Date Detail:
Created Date:  1992-04-22     Completed Date:  1992-04-22     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  8708682     Medline TA:  Med Vet Entomol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  385-90     Citation Subset:  IM    
Department of Tropical Pathology, School of Pathology, South African Institute for Medical Research, Johannesburg.
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MeSH Terms
Anopheles* / growth & development,  ultrastructure
Fresh Water
Microscopy, Electron, Scanning
Sodium Chloride*
Reg. No./Substance:
7647-14-5/Sodium Chloride

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