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J Med Entomol

Title:		Exploiting the Synergistic Effect of Kairomones and Light-Emitting Diodes on the Attraction of Phlebotomine Sand Flies to Light Traps in Brazil
Author(s):		da Silva AA; Rebelo JMM; Carneiro BF; Castro MPP; de Sousa de Almeida M; Ponte IS; Aguiar JVC; Silva FS;
Address:		"Laboratory of Medical Entomology, Center for Agrarian and Environmental Sciences, Federal University of Maranhao, CEP: 65500-00, Chapadinha, MA, Brasil. Laboratorio de Entomologia e Vetores, Departamento de Biologia, Universidade Federal do Maranhao, CEP: 65080-805. Sao Luis, MA, Brasil. Centro de Ciencias Biologicas e da Saude, Programa de Pos-Graduacao em Ciencias da Saude, Universidade Federal do Maranhao, CEP: 65080-805. Sao Luis, MA, Brasil. Centro de Ciencias Biologicas e da Saude, Programa de Pos-Graduacao em Biodiversidade e Conservacao, Universidade Federal do Maranhao, CEP: 65080-805. Sao Luis, MA, Brasil. Centro de Ciencias Biologicas e da Saude, Programa de Pos-Graduacao em Ciencias Ambientais, Center for Agrarian and Environmental Sciences, Federal University of Maranhao, Chapadinha, MA, Brasil"
Journal Title:		J Med Entomol
Year:		2019
Volume:		56
Issue:		5
Page Number:		1441 - 1445
DOI:		10.1093/jme/tjz073
ISSN/ISBN:		1938-2928 (Electronic) 0022-2585 (Linking)
Abstract:		"The synergistic effect of light-emitting diodes (LEDs) and kairomones on the attraction of sand flies to light traps was evaluated. Octenol and lactic acid were used as chemical attractants. Green LEDs and the incandescent lamps were used as light attractants. Five CDC-type light traps with the respective combination of attractants (incandescent lamp, incandescent lamp + chemical attractant, green LED, green LED + chemical attractant, and chemical attractant alone [without light]) were set between 18:00 and 06:00 following a Latin square design. A total of 6,536 sand flies and 16 species were collected. The most frequent species collected was Lutzomyia longipalpis (Lutz & Neiva, 1912) (Diptera, Psychodidae) accounting for 43.21% of all individuals. Order of success (mean, SD) of lactic acid attractant fly capture was as follows: LED + lactic acid (36.83 +/- 4.74), LED alone (34.87 +/- 4.61), incandescent lamp + lactic acid (22.80 +/- 3.19), incandescent lamp alone (12.67 +/- 2.03), and lactic acid (0.46 +/- 0.13). Order of success of octenol attractant fly capture was as follows: LED + octenol (37.23 +/- 5.61), LED alone (35.77 +/- 5.69), incandescent lamp + octenol (18.63 +/- 3.28), incandescent lamp alone (14.67 +/- 2.86), and octenol alone (1.80 +/- 0.65). With exception of lactic acid + incandescent light, chemical synergists played no part in significantly increasing light trap capture of phlebotomine sand flies. However, the use of LEDs, with or without such attractants, provided significantly higher capture compared to the incandescent lamp with or without such chemicals, showing that LEDs are suitable and efficient light sources for surveillance and monitoring of phlebotomine sand flies in Brazil"
Keywords:		Animals Brazil *Chemotaxis Entomology/methods Female Insect Control/*methods Lactic Acid/analysis *Light Male Octanols/analysis Odorants/*analysis *Phototaxis Psychodidae/*physiology Lutzomyia longipalpis lactic acid light-trapping octenol sampling method;
Notes:		"Medlineda Silva, Apoliana Araujo Rebelo, Jose Manuel Macario Carneiro, Bruna Ferreira Castro, Maria Patricia Pereira de Sousa de Almeida, Mayara Ponte, Islana Silva Aguiar, Joao Vitor Castro Silva, Francinaldo Soares eng Research Support, Non-U.S. Gov't England 2019/05/24 J Med Entomol. 2019 Sep 3; 56(5):1441-1445. doi: 10.1093/jme/tjz073"