Attraction of the sand fly Nyssomyia neivai (Diptera: Psychodidae) to chemical compounds in a wind tunnel

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Data

2015-03-07

Autores

Machado, Vicente Estevam [UNESP]
Correa, Arlene Goncalves
Goulart, Thais Marchi
Rocha Silva, Flavia Benini da [UNESP]
Samillan Ortiz, Dennys Ghenry
Pinto, Mara Cristina [UNESP]

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Editor

Biomed Central Ltd

Resumo

Background: Similar to other hematophagous insects, male and female sand flies must feed on plants to obtain sugar and, subsequently, energy to complete their life cycles. A large number of compounds emitted by plants may act as volatile signals to these insects. Primary alcohols have been detected in some plants, but in small amounts. In a previous report, the attractiveness of saturated primary alcohols with 7 to 9 carbons was evaluated for Lutzomyia longipalpis, the vector of American visceral leishmaniasis, with positive results.Methods: In the present study, a wide range of primary alcohols, 3 to 10 carbons, were tested to investigate their attractiveness to another sand fly species, Nyssomyia neivai, a putative vector of American cutaneous leishmaniasis. The mixture of compounds that induced the best sand fly response was also evaluated.Results: Of the eight compounds evaluated, hexanol and octanol elicited the best attractive responses for sand fly females.Conclusion: Phytochemicals may be an interesting source of search for new sand fly attractants.

Descrição

Palavras-chave

Sand flies, Wind tunnel, Attractiveness, Alcohols, Plant volatiles, Olfactometry, Nyssomyia neivai, Octanol, Hexanol

Como citar

Parasites &vectors, v. 8, 4 p., 2015.