Document Detail

Studies on filariasis. IV. The rate of escape of the third-stage larvae of Brugia pahangi from the mouthpart of Aedes togoi during the blood meal.
MedLine Citation:
PMID:  1127218     Owner:  NLM     Status:  MEDLINE    
The rate of escape of the third-stage larvae of Brugia pahangi from Aedes togoi which were allowed to probe on a cat and a mouse at time intervals of 5, 10, 20, 30 and 60 seconds was studied. The rate of escape of third-stage larvae at all time intervals was greater during probing on the cat than on the mouse, and was in a logarithmic linear relation to the length of probing time by the mosquito host. The greatest loss (91.35%) of third-stage larvae was in mosquitoes which fed on a cat until fully gorged. There was a remarkable rate of escape (57.41%) within 5 seconds. This striking rate of escape of third-stage larvae may have important implications on filariasis transmission. Most larvae migrated towards the proboscis and head of mosquitoes during these feeding periods. Nearly equal numbers of third-stage larvae escaped from mosquitoes which fed to repletion for more than 60 seconds on a mouse and from those which probed fro more than 60 seconds on the same mouse but did not engorge. This confirmed our view that filling up of the stomach with blood does not constitute the single factor in causing the release of third-stage larvae from the mosquito host.
B C Ho; M M Lavoipierre
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of helminthology     Volume:  49     ISSN:  0022-149X     ISO Abbreviation:  J. Helminthol.     Publication Date:  1975 Mar 
Date Detail:
Created Date:  1975-07-31     Completed Date:  1975-07-31     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  2985115R     Medline TA:  J Helminthol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  65-72     Citation Subset:  IM    
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MeSH Terms
Aedes / parasitology*
Brugia / physiology*
Feeding Behavior
Filariasis / transmission
Filarioidea / physiology*
Guinea Pigs
Larva / physiology
Time Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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