Document Detail

Effect of laval breeding conditions on the morphological, ovarian and behavioral characteristics of Anopheles pharoensis of the emerged females.
MedLine Citation:
PMID:  1875074     Owner:  NLM     Status:  MEDLINE    
Under laboratory conditions, morphological, ovarian and behavioral characteristics of Anopheles pharoensis females were found to be affected by a combination of 3 larval environmental factors: quantity of food, density of larvae and salinity of the rearing medium. Size and weight of the emerged females were decreased by lowering the quantity of food (basic ration), increasing the population density of larvae (200 larvae/pan) and increasing the salinity of the rearing medium (1/5 dilution of Sea water). Embryogenesis and behavior of the female were also affected by the larval environmental factors; the female emerged with the undeveloped stag of the ovaries (Christophers's stage I), needs a multiple feeding with 2 blood meals required, at times, to reach the gravid stage and produce the first batch of eggs. The female emerged with fewer number of ovarian follicles and thus affecting the number of produced eggs. The emerged female takes as maximum 4 blood meals to lay 3 batches of eggs during the life cycle (8 days).
A S el-Akad
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the Egyptian Society of Parasitology     Volume:  21     ISSN:  1110-0583     ISO Abbreviation:  J Egypt Soc Parasitol     Publication Date:  1991 Aug 
Date Detail:
Created Date:  1991-09-25     Completed Date:  1991-09-25     Revised Date:  2013-05-02    
Medline Journal Info:
Nlm Unique ID:  8102141     Medline TA:  J Egypt Soc Parasitol     Country:  EGYPT    
Other Details:
Languages:  eng     Pagination:  459-65     Citation Subset:  IM    
Department of Entomology, Faculty of Science, Ain-Shams University, Cairo, Egypt.
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MeSH Terms
Anopheles / anatomy & histology,  physiology*
Behavior, Animal / physiology
Larva / physiology
Ovary / anatomy & histology,  physiology

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