Novel Acaricidal and Insect Growth Regulating Activity of Olive oil against the Camel Tick, Hyalomma dromedarii (Acari: Ixodida) | ||
| Benha Journal of Applied Sciences | ||
| Articles in Press, Accepted Manuscript, Available Online from 20 February 2023 | ||
| Document Type: Original Research Papers | ||
| DOI: 10.21608/bjas.2023.135100.1008 | ||
| Author | ||
| Hanem Khater* | ||
| Parasitology Department, Faculty of Veterinary Medicine, Benha University, Egypt | ||
| Abstract | ||
| Ticks (Acari: Ixodida) are important blood- feeding ectoparasites acting as vectors of serious diseases of humans and animals. The camel tick, Hyalomma dromedarii is infesting camels and its control is very important for prevention of tick- borne diseases. This study evaluated the adulticidal toxicity of olive oil against H. dromedarii males and engorged females using the adult immersion test. Mortalities, the number of hatched eggs, hatchability%, weight of engorged females, and egg weight were recorded. The morality% of olive oils against male H. dormidarii 12 and 15 days post treatments (PT) reached 50 and 83.33%, respectively. Its lethal concentrations (LC) values were calculated (LC50 and LC95 values PT for 12 days were 12.715 and 46.386%, respectively). The lethal time (LT) values after treatment with 25% against males were calculated (LT50 and LT99= 5.161 and 22.007 days, respectively). Olive oil adversely affected the reproductive potential of H. dromedarii engorged females as 25% PT, the number of hatched eggs, hatchability%, weight of engorged females, and egg weight were 2.83±2.31, 32.7, 52.50±2.88 g, and 0.27±0.27 g, respectively. It is recommended to apply olive oil as a safe control tool against H. dormidarii and it could be implemented in integrated- tick control strategies. | ||
| Keywords | ||
| Olea europaea L; adulticides; reproductive potential; lethal time | ||
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