Acaricidal activity of Calea serrata (Asteraceae) on Boophilus microplus and Rhipicephalus sanguineus

2008 ◽  
Vol 151 (2-4) ◽  
pp. 351-354 ◽  
Author(s):  
Vera Lucia Sardá Ribeiro ◽  
Cesar Avancini ◽  
Karla Gonçalves ◽  
Eduardo Toigo ◽  
Gilsane von Poser
Keyword(s):  
Rhipicephalus Sanguineus ◽  
Acaricidal Activity ◽  
Boophilus Microplus

scholarly journals Acaricidal activity of Amburana cearensis on the cattle tick Rhipicephalus (Boophilus) microplus

2015 ◽  
Vol 46 (3) ◽  
pp. 536-541 ◽  
Author(s):  
Anne Caroline dos Santos Dantas ◽  
Andreina de Carvalho Araujo ◽  
Alessandra Gomes Marques Pacheco ◽  
Alexsandro Branco ◽  
Luis Antônio Sangioni ◽  
...  
Keyword(s):  
Ethanolic Extract ◽  
Immersion Test ◽  
Acaricidal Activity ◽  
Boophilus Microplus ◽  
Cattle Tick ◽  
Reproductive Efficiency ◽  
Egg Mass ◽  
Hatching Rate ◽  
Test Parameters ◽  
Gradual Dose

ABSTRACT: This experiment was carried out to study the bioacaricidal activity of Amburana cearensis against engorged females of Rhipicephalus (Boophilus) microplus. The crude ethanolic extract from the leaves of A. cearensis was submitted to partition with organic solvents (hexane, chloroform and ethyl acetate) in order of increasing polarity; and evaluated using three treatments at concentrations of 5, 10 and 25mg ml-1. To evaluate the acaricidal activity, engorged females were submitted to the adult immersion test. Parameters analyzed were the weight of females; weight of egg mass; percentage of hatch; reproductive efficiency; expected rate of reproduction; and efficacy. For each extract and concentrating fraction, tests were performed in triplicate. Among all fractions, the hexane (2.5%) achieved the best results in all parameters analyzed: 52.7% of inhibition of oviposition; 39% of hatching rate; 3,271 index of reproductive efficiency; and 67.0% effectiveness. The extract obtained gradual dose response with increasing concentration; and could be used as an aid in the control of R. (B.) microplus therapy.

scholarly journals Control of bovine tick [Rhipicephalus (Boophilus) microplus] with Brunfelsia uniflora leaf extract

2019 ◽  
pp. 903-910
Author(s):  
Elaine Yae Yamashita Sugauara ◽  
ElisângelaYumi Sugauara ◽  
Rosangela Rumi Sugauara ◽  
Wanessa de Campos Bortolucci ◽  
Herika Line Marko de Oliveira ◽  
...  
Keyword(s):  
Ethyl Ester ◽  
Leaf Extract ◽  
Acid Ethyl Ester ◽  
Acaricidal Activity ◽  
Boophilus Microplus ◽  
Ex Situ ◽  
In Vitro Tests ◽  
Free Living ◽  
Crude Leaf Extract

Bovine tick has caused losses in livestock production profitability in Brazil. However, tick control has caused resistance of these ectoparasites against utilized acaricides. Alternative tick controls have been utilizing plants as sources of effective botanical acaricides. Brunfelsia uniflora is a Brazilian plant with antimicrobial and antioxidant activity; however, there are no reports on its acaricidal activity. Therefore, this study aimed to evaluate the chemical composition of B. uniflora leaf ethanolic extract and its efficiency to control bovine tick in vitro and free-living stage ex situ. The crude leaf extract was analyzed by gas chromatographer coupled to mass spectrometer (GC-MS) with identification of 17 compounds. The major compounds were phytol (22.96%), 9,12,15-octadecatrienoic acid, ethyl ester (Z,Z,Z) (21.18%), hexadecanoic acid, ethyl ester (12.74%) and vitamin E (8.77%). The crude extract presented acaricidal activity in vitro against ingurgitated adult females, larvae and eggs of bovine tick. The LC99.9 for larvae was 103.21 mg mL-1 in in vitro tests and was 100% efficient for ex situ larva test (free-living stage). B. uniflora leaf extract is an alternative for the control of the bovine tick cycle, mainly in the free-living stage (non-parasitic stage) under field conditions.

scholarly journals Acaricidal activity of Lippia gracilis essential oil and its major constituents on the tick Rhipicephalus (Boophilus) microplus

2013 ◽  
Vol 195 (1-2) ◽  
pp. 198-202 ◽  
Author(s):  
Elizangela Mércia de Oliveira Cruz ◽  
Livio Martins Costa-Junior ◽  
Jessika Andreza Oliveira Pinto ◽  
Darlisson de Alexandria Santos ◽  
Sandra Alves de Araujo ◽  
...  
Keyword(s):  
Essential Oil ◽  
Acaricidal Activity ◽  
Boophilus Microplus

scholarly journals Chemical Composition and Acaricidal Activity of Nemuaron vieillardii Essential Oil against the Cattle Tick Rhipicephalus (Boophilus) microplus

2016 ◽  
Vol 11 (12) ◽  
pp. 1934578X1601101
Author(s):  
Nicolas Lebouvier ◽  
Thomas Hue ◽  
Joseph Brophy ◽  
Edouard Hnawia ◽  
Mohammed Nour
Keyword(s):  
Gas Chromatography ◽  
Chemical Composition ◽  
Essential Oil ◽  
Tick Control ◽  
Acaricidal Activity ◽  
Boophilus Microplus ◽  
Gas Chromatography Mass Spectrometry ◽  
Cattle Tick ◽  
Caryophyllene Oxide ◽  
Human Carcinogen

Essential oil from leaves of Nemuaron vieillardii (Baill.) Baill., a shrub used in the kanak pharmacopeia, was analyzed by gas chromatography and combined gas chromatography-mass spectrometry. The main compounds identified were safrole (49.7%), linalool (8.0%), δ-cadinene (5.1%), caryophyllene oxide (4%) and α-copaene (2.4%). This chemical composition is consistent with leaf oils of the Atherospermataceae family and demonstrates the proximity of the two genera Nemuaron and Atherosperma as regards to their essential oil compositions. The modified Larval Packet Test (LPT) was used to assess acaricidal effect of N. vieillardii essential oil on larvae of the cattle tick Rhipicephalus (Boophilus) microplus and LC50 was then calculated to 14.67%. High content of safrole in this oil which is suspected of being a human carcinogen, poses the problem of the use of this oil in a perspective of development of alternative tick control strategy and in the traditional medicinal consumption of Nemuaron vieillardii.

scholarly journals Eficácia de diferentes formulações de acaricidas sobre larvas de Rhipicephalus sanguineus (Latreille, 1806) (Acari: Ixodidae) e Rhipicephalus (Boophilus) microplus (Canestrini, 1887) (Acari: Ixodidae)

Biotemas ◽  
2017 ◽  
Vol 30 (1) ◽  
pp. 65
Author(s):  
Luciano Melo Souza ◽  
Marco Antonio Andrade Belo ◽  
Ives Charlie Silva
Keyword(s):  
Rhipicephalus Sanguineus ◽  
Boophilus Microplus ◽  
De Se

http://dx.doi.org/10.5007/2175-7925.2017v30n1p65O parasitismo por ácaros sempre foi objeto de preocupações e perdas relacionadas à produção animal, assim como à transmissibilidade de agentes etiológicos de importantes doenças; e aproximadamente 95% das formas evolutivas dos carrapatos em fase não parasitária encontram-se no ambiente. Com base na importância de se controlar estágios larvares dos ixodídeos no ambiente, este estudo avaliou a eficácia de acaricidas in vitro sobre larvas de Rhipicephalus (Boophilus) microplus e Rhipicephalus sanguineus. Foram testadas: Cipermetrina 15% (T1); Deltametrina 25% (T2); associação de Cipermetrina 5% + Diclorvós 45% + Butóxido de piperolina 25% (T3); associação de Cipermetrina 15% + Clorpiriphos 25% + Citronela 1% (T4) e Amitraz 12,5% (T5). Para cada tratamento foram realizadas nove repetições contendo 20 larvas. As observações de motilidade foram realizadas: 1, 5, 10, 20 e 30 minutos após o tratamento (MPT); 1, 2, 6, 12 e 24 h após o tratamento (HPT); 5 dias após o tratamento (DPT). Os testes das larvas de R. (B.) microplus e R. sanguineus com deltametrina 25% serviram de controle positivo e demonstraram perda de motilidade de 100% das larvas com duas HPT para ambas de ixodídeos. O R. (B.) microplus apresentou maior sensibilidade aos desafios contendo a cipermetrina 15% e 5% associada ao diclorvós e butóxido de piperonila. Larvas de R. sanguineus apresentaram maior sensibilidade em menor tempo ao tratamento com amitraz a 12,5%. Contudo, apesar das diferenças no efeito acaricida observadas no decorrer dos tempos, obteve-se eficácia de 100% para todos os compostos inseticidas sobre os instares das duas espécies 12 HPT, demonstrando que, quando utilizados nas doses recomendadas pelos fabricantes, os produtos comerciais podem ser eficazes em estratégias de controle ambiental das larvas.

scholarly journals Caracterização da população de ectoparasitos em cães de núcleos de expansão urbana de Juiz de Fora, Minas Gerais, Brasil

2008 ◽  
Vol 17 (4) ◽  
pp. 185-188 ◽  
Author(s):  
Denise F. Rodrigues ◽  
Erik Daemon ◽  
André Flávio S.F. Rodrigues
Keyword(s):  
Rhipicephalus Sanguineus ◽  
Minas Gerais ◽  
Ctenocephalides Felis ◽  
Boophilus Microplus ◽  
Amblyomma Cajennense ◽  
Tunga Penetrans

No presente trabalho caracterizou-se a população de ectoparasitos em cães de núcleo de expansão urbana de Juiz de Fora, MG. As coletas foram realizadas de julho a setembro de 2003, examinando-se 101 cães SRD (sem raça definida). Os ectoparasitos foram coletados através de inspeção visual e tátil dos animais e acondicionados em frascos com etanol 70°GL e identificados sob estereoscopia. Espécimes foram clarificados e montados para análise em microscopia fotônica. Dentre os sifonápteros, Ctenocephalides felis foi mais prevalente (64,35%) com intensidade média de 6,12 ± 5,37 sifonápteros/cão, seguido por Rhopalopsyllus lutzi (3,96%), híbrida C. felis X C. canis (1,98%), Tunga penetrans (1,98%). Aúnica espécie de fitiráptero encontrada foi Trichodectes canis (7,92%) com 1,3 ± 0,51 fitiráptero/cão. Dentre os ixodídeos, Rhipicephalus sanguineus foi a espécie mais prevalente (49,50%) com intensidade média de 6,44 ± 10,2 ixodídeos/ cão, seguido por Amblyomma cajennense (3,96%), Boophilus microplus (2,97%), A. ovale (1%) e A. aureolatum (1%). As ninfas de ixodídeos foram separadas em ninfas de Amblyomminae (58,41%) com 10,11 ± 10,09 ninfas/cão e ninfas Rhipicephalinae (24,75%) com 2,64 ± 3,25 ninfas/cão. Em 3,96 % dos cães foram encontradas larvas de ixodídeo.

scholarly journals Terpenes on Rhipicephalus (Boophilus) microplus: Acaricidal activity and acetylcholinesterase inhibition

2020 ◽  
Vol 280 ◽  
pp. 109090 ◽  
Author(s):  
Alana dos Santos Cardoso ◽  
Everton Gomes Guimarães Santos ◽  
Aldilene da Silva Lima ◽  
Kevin B. Temeyer ◽  
Adalberto A. Pérez de León ◽  
...  
Keyword(s):  
Acaricidal Activity ◽  
Boophilus Microplus ◽  
Acetylcholinesterase Inhibition
Sign in / Sign up

Export Citation Format

Share Document