Cuticular hydrocarbon composition analysis for taxonomic differentiation of phlebotomine sandfly species (Diptera: Psychodidae) in Kenya

Gas chromatographic patterns of cuticular hydrocarbon composition were analyzed for 9 sandfly species, including Phlebotomus (Larroussius) aculeatus Lewis, Minter & Ashford [syn. P. (L.) elgonensis Ngoka, Madel & Mutinga], P. (sensu stricto) duboscqi Neveu-Lemaire, P. (Synphlebotomus) martin...

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Bibliographic Details
Published in:Journal of medical entomology 1998-09, Vol.35 (5), p.778-781
Main Authors: MAHAMAT, H, HASSANALI, A
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Hydrocarbons - analysis
Kenya
Medically important nuisances and vectors, pests of stored products and materials: population survey and control
Phlebotomus
Phlebotomus - classification
Psychodidae
Psychodidae - classification
Vectors. Intermediate hosts
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Summary:Gas chromatographic patterns of cuticular hydrocarbon composition were analyzed for 9 sandfly species, including Phlebotomus (Larroussius) aculeatus Lewis, Minter & Ashford [syn. P. (L.) elgonensis Ngoka, Madel & Mutinga], P. (sensu stricto) duboscqi Neveu-Lemaire, P. (Synphlebotomus) martini Parrot, P. pedifer (Larroussius) Lewis, Mutinga & Ashford, Sergentomiya (Parrotomyia) africanus Newstead, S. (Sergentomyia) antennatus Newstead, S. (Spelacomyia) garnhami Heisch, Giggisberg & Teedale, S. (Rondanomyia) ingrami Newstead, and S. (Sergentomyia) schwetzi Adler, Theodor & Parrot, collected in the field in Kenya or reared in the laboratory. The patterns showed both quantitative and qualitative differences among species. Discriminant analysis of easily identified peaks (expressed as percentages of total peak area) confirmed the uniqueness of the pattern for each species. Species identifications of field-collected flies revealed an excellent correspondence between morphometric criteria and gas chromatography for all species, except P. duboscqi. These results indicated that the morphological criteria for the identification of P. duboscqi should be reexamined. Chromatograms of females and males showed slight quantitative differences.
ISSN:0022-2585
1938-2928
DOI:10.1093/jmedent/35.5.778