Scanning electron microscopy of the four larval instars of the lymphatic filariasis vector Culex quinquefasciatus (Say) (Diptera: Culicidae)

Since Culex pipiens quinquefasciatus is the main vector of lymphatic filariasis in tropics and subtropics, the identification and quantification of this mosquito is an important task. Scanning electron microscopy reveals that morphological changes during larval development as the number of comb scal...

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Bibliographic Details
Published in:Parasitology research (1987) 2013-06, Vol.112 (6), p.2307-2312
Main Authors: Adham, Fatma K., Mehlhorn, Heinz, Yamany, Abeer S.
Format: Article
Language:English
Subjects:
Animal Structures - ultrastructure
Animals
Biomedical and Life Sciences
Biomedicine
Culex - embryology
Culex - ultrastructure
Culex pipiens quinquefasciatus
Culex quinquefasciatus
Culicidae
Diptera
Disease Vectors
Electron microscopy
Filariasis
Health aspects
Immunology
Larva - ultrastructure
Medical Microbiology
Methods
Microbiology
Microscopy, Electron, Scanning
Mosquitoes
Original Paper
Physiological aspects
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Summary:Since Culex pipiens quinquefasciatus is the main vector of lymphatic filariasis in tropics and subtropics, the identification and quantification of this mosquito is an important task. Scanning electron microscopy reveals that morphological changes during larval development as the number of comb scale varies greatly and their complexity increases from first to the fourth instar. Also, their structures are more complex with a varying number of subapical denticles. The amount of pecten shows modifications at different larval instars with regard to the number and complexity of their spines. The pecten teeth increase in their number and complexity during development. The number of lateral palatal brush filaments increases during larval development from the first to the fourth instar. The ventral brush of the abdominal segment X in the first and second instars is composed of two respectively three pairs of setae while the third and fourth instars have four pairs of sturdy setae.
ISSN:0932-0113
1432-1955
DOI:10.1007/s00436-013-3393-4