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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
29/05/2024 |
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Data da última atualização: |
26/06/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 3 |
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Autoria: |
LIMA, V. H.; PINTO, S. M. do N.; BARRETO, L. P.; SARRIA, A. L. F.; MASCARIN, G. M.; FERNANDES, É. K. K.; BORGES, L. M. F. |
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Afiliação: |
VALESCA HENRIQUE LIMA, UNIVERSIDADE FEDERAL DE GOIÁS; SALORRANE MIRANDA DO NASCIMENTO PINTO, UNIVERSIDADE FEDERAL DE GOIÁS; LUCAS PRADO BARRETO, UNIVERSIDADE FEDERAL DE GOIÁS; ANDRÉ LUCIO FRANCESCHINI SARRIA, BIOBAB; GABRIEL MOURA MASCARIN, CNPMA; ÉVERTON KORT KAMP FERNANDES, UNIVERSIDADE FEDERAL DE GOIÁS; LÍGIA MIRANDA FERREIRA BORGES, UNIVERSIDADE FEDERAL DE GOIÁS. |
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Título: |
Repellent activity of the non-host semiochemical (E)-2-octenal against Amblyomma sculptum and Amblyomma dubitatum ticks under field conditions. |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
Experimental and Applied Acarology, v. 92, n. 3, p. 423-437, 2024. |
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ISSN: |
0168-8162 |
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DOI: |
https://dx.doi.org/10.1007/s10493-023-00880-6 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Amblyomma ticks pose a significant public health threat due to their potential to transmit pathogens associated with rickettsial diseases. (E)-2-octenal, a compound found in donkeys (Equus asinus), exhibits strong repellent properties against Amblyomma sculptum nymphs under laboratory conditions. This study assessed the effectiveness of the (E)-2-octenal in wearable slow-release devices for personal human protection against Amblyomma ticks under natural conditions. Slow-release devices treated with (E)-2-octenal and untreated controls were prepared and tested on two volunteers walking through a tick-infested area in Goiania, Brazil. The experiment was conducted twice daily for three series of 10 days, with each volunteer wearing two devices attached to each leg, one on the ankle and one just above the thigh. Volunteers with control and treated devices exchanged them between rounds. Also, the daily release rate of (E)-2-octenal from the slow-release devices was determined in the laboratory, increasing significantly from 0.77 ± 0.14 µg/day on the first day to 9.93 ± 1.92 µg/day on the 4th day and remaining constant until the 16th day. A total of 5409 ticks were collected from both volunteers. Treated devices resulted in recovering fewer ticks (n = 1,666; 31%) compared to untreated devices (control: n = 3,743; 69%). (E)-2-octenal effectively repelled Amblyomma spp. larvae, A. sculptum adults, and exhibited pronounced repellency against A. dubitatum nymphs and adults. These findings suggest the potential of (E)-2-octenal delivered by wearable slow-release devices as a green-based repellent. Further improvements, however, are necessary to provide better protection for humans against A. sculptum and A. dubitatum in field conditions. MenosAbstract: Amblyomma ticks pose a significant public health threat due to their potential to transmit pathogens associated with rickettsial diseases. (E)-2-octenal, a compound found in donkeys (Equus asinus), exhibits strong repellent properties against Amblyomma sculptum nymphs under laboratory conditions. This study assessed the effectiveness of the (E)-2-octenal in wearable slow-release devices for personal human protection against Amblyomma ticks under natural conditions. Slow-release devices treated with (E)-2-octenal and untreated controls were prepared and tested on two volunteers walking through a tick-infested area in Goiania, Brazil. The experiment was conducted twice daily for three series of 10 days, with each volunteer wearing two devices attached to each leg, one on the ankle and one just above the thigh. Volunteers with control and treated devices exchanged them between rounds. Also, the daily release rate of (E)-2-octenal from the slow-release devices was determined in the laboratory, increasing significantly from 0.77 ± 0.14 µg/day on the first day to 9.93 ± 1.92 µg/day on the 4th day and remaining constant until the 16th day. A total of 5409 ticks were collected from both volunteers. Treated devices resulted in recovering fewer ticks (n = 1,666; 31%) compared to untreated devices (control: n = 3,743; 69%). (E)-2-octenal effectively repelled Amblyomma spp. larvae, A. sculptum adults, and exhibited pronounced repellency against A. dubitatum nymphs and adults.... Mostrar Tudo |
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Palavras-Chave: |
Amblyomma dubitatum; Amblyomma sculptum; Formulation; Repellent product; Tick management; Tick-bite prevention. |
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Thesagro: |
Carrapato; Repelente. |
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Thesaurus NAL: |
Allomones; Disease prevention; Pesticide formulations; Tick bites; Ticks. |
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Categoria do assunto: |
O Insetos e Entomologia |
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Marc: |
LEADER 02932naa a2200373 a 4500
001 2164603
005 2024-06-26
008 2024 bl uuuu u00u1 u #d
022 $a0168-8162
024 7 $ahttps://dx.doi.org/10.1007/s10493-023-00880-6$2DOI
100 1 $aLIMA, V. H.
245 $aRepellent activity of the non-host semiochemical (E)-2-octenal against Amblyomma sculptum and Amblyomma dubitatum ticks under field conditions.$h[electronic resource]
260 $c2024
520 $aAbstract: Amblyomma ticks pose a significant public health threat due to their potential to transmit pathogens associated with rickettsial diseases. (E)-2-octenal, a compound found in donkeys (Equus asinus), exhibits strong repellent properties against Amblyomma sculptum nymphs under laboratory conditions. This study assessed the effectiveness of the (E)-2-octenal in wearable slow-release devices for personal human protection against Amblyomma ticks under natural conditions. Slow-release devices treated with (E)-2-octenal and untreated controls were prepared and tested on two volunteers walking through a tick-infested area in Goiania, Brazil. The experiment was conducted twice daily for three series of 10 days, with each volunteer wearing two devices attached to each leg, one on the ankle and one just above the thigh. Volunteers with control and treated devices exchanged them between rounds. Also, the daily release rate of (E)-2-octenal from the slow-release devices was determined in the laboratory, increasing significantly from 0.77 ± 0.14 µg/day on the first day to 9.93 ± 1.92 µg/day on the 4th day and remaining constant until the 16th day. A total of 5409 ticks were collected from both volunteers. Treated devices resulted in recovering fewer ticks (n = 1,666; 31%) compared to untreated devices (control: n = 3,743; 69%). (E)-2-octenal effectively repelled Amblyomma spp. larvae, A. sculptum adults, and exhibited pronounced repellency against A. dubitatum nymphs and adults. These findings suggest the potential of (E)-2-octenal delivered by wearable slow-release devices as a green-based repellent. Further improvements, however, are necessary to provide better protection for humans against A. sculptum and A. dubitatum in field conditions.
650 $aAllomones
650 $aDisease prevention
650 $aPesticide formulations
650 $aTick bites
650 $aTicks
650 $aCarrapato
650 $aRepelente
653 $aAmblyomma dubitatum
653 $aAmblyomma sculptum
653 $aFormulation
653 $aRepellent product
653 $aTick management
653 $aTick-bite prevention
700 1 $aPINTO, S. M. do N.
700 1 $aBARRETO, L. P.
700 1 $aSARRIA, A. L. F.
700 1 $aMASCARIN, G. M.
700 1 $aFERNANDES, É. K. K.
700 1 $aBORGES, L. M. F.
773 $tExperimental and Applied Acarology$gv. 92, n. 3, p. 423-437, 2024.
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