Comparison of the sex-pheromone components of lutzomyia longipalpis (Diptera: Psychodidae) from areas of visceral and atypical cutaneous leishmaniasis in Honduras and Costa Rica

Hamilton, J. G.C. and Ward, R. D. and Dougherty, M. J. and Maignon, R. (1996) Comparison of the sex-pheromone components of lutzomyia longipalpis (Diptera: Psychodidae) from areas of visceral and atypical cutaneous leishmaniasis in Honduras and Costa Rica. Annals of Tropical Medicine and Parasitology, 90 (5). pp. 533-541. ISSN 0003-4983

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Abstract

The terpene components of extracts prepared from male Lutzomyia longipalpis (Diptera: Psychodidae) collected from four sites in Honduras and one in Costa Rica mere analysed by high-performance liquid chromatography, gas chromatography and coupled gas chromatography -mass spectrometry. The terpene components of Lu. longipalpis from other regions of South America have previously been shown to be sex pheromones. The flies from the four areas of Honduras, where Leishmania chagasi infection may lead to visceral or atypical cutaneous leishmaniasis, mere found to be homogenous, all producing 9-methylgermacrene-B. Three types of terpene (9-methylgermacrene-B, a novel homosesquiterpene and a small amount of diterpene) were detected in pools of flies from Liberia, Costa Rica, where only atypical cutaneous leishmaniasis has been found. These results indicate that there are probably at least two and possibly three distinct populations of Lu. longipalpis in this region. The clinical manifestation of Leishmania chagasi infection does not appear to be dependent on which population of Lu. longipalpis transmitted the parasite.

Item Type:
Journal Article
Journal or Publication Title:
Annals of Tropical Medicine and Parasitology
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2700/2725
Subjects:
?? PARASITOLOGYINFECTIOUS DISEASES ??
ID Code:
137161
Deposited By:
Deposited On:
30 Sep 2019 22:19
Refereed?:
Yes
Published?:
Published
Last Modified:
22 Sep 2023 00:41