Document Detail

Diel biting activity of Culex (Melanoconion) caudelli in Trinidad, West Indies.
MedLine Citation:
PMID:  2519669     Owner:  NLM     Status:  MEDLINE    
The diel biting periodicity of the arbovirus vector Culex (Melanoconion) caudelli Dyar and Knab (Diptera; Culicidae) in the Aripo-Wallerfield forest, Trinidad, was studied by collecting mosquitoes attracted to mouse-baited traps at 2-hourly intervals during eight 24 h periods. Biting females of Cx caudelli were collected during all night-time hours, 18.00-06.00 hours, with an overall unimodal pattern, i.e. one well-defined peak between 22.00 and 04.00 hours. This contrasts with previous reports that Cx caudelli is diurnally active. During the four moon phases, the period of peak biting activity varied from 22.00 to 24.00 hours at fullmoon, from 22.00 to 04.00 hours at first quarter, and from 24.00 to 02.00 hours at new moon and last quarter phases. The number of mosquitoes collected varied significantly with moon phases, the highest (152/24 h) being collected in the first lunar quarter and the lowest (71/24 h) in the last lunar quarter. Cloud cover and rainfall had no significant effect on the diel biting periodicity of Cx caudelli.
D D Chadee; E S Tikasingh
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Medical and veterinary entomology     Volume:  3     ISSN:  0269-283X     ISO Abbreviation:  Med. Vet. Entomol.     Publication Date:  1989 Jul 
Date Detail:
Created Date:  1992-02-12     Completed Date:  1992-02-12     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  8708682     Medline TA:  Med Vet Entomol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  231-7     Citation Subset:  IM    
Insect Vector Control Division, Ministry of Health, Trinidad and Tobago.
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MeSH Terms
Circadian Rhythm*
Culex / physiology*
Feeding Behavior / physiology
Trinidad and Tobago

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