Recognizing the concerns, farmers are preferring use of natural alternatives to ward of insects and abate growth of bacteria and fungi, wherein citrus essential oils have gained increased visibility in light of their repellent, ovicidal
, larvicidal, toxic, and antifeedant properties.
Barangay officials from Districts 1 and 2 and representatives from DepEd-Division of Taguig City and Pateros learned more about the roles of Aksyon Barangay Kontra Dengue (ABKD) in the community, the importance of ovicidal
and larvicidal traps, and integrated vector management, among others, during the event in Antipolo.
An ex vivo, assessor blind, randomised, parallel group, comparative efficacy trial of the ovicidal
activity of three pediculicides after a single application--melaleuca oil and lavender oil, eucalyptus oil and lemon tea tree oil, and a "suffocation" pediculicide.
efficacy test of different extracts was performed using two procedures as described by Coles et al.
Larvicidal, repellent, and ovicidal
activity of marine actinobacteria extracts against Culex tritaeniorhynchus and Culex gelidus.
Another important consideration is whether anthelmintics are ovicidal
effects caused by a variety of organic extracts on lepidoptera is well recognized and been recorded by several authors (Alves et al., 2012; Freitas et al., 2014 and 2015; and Magrini et al., 2015) and the results have indicated a negative influence on both the length of the incubation phase, with this stage being extended, and the egg viability, restricting the larvae from hatching.
Yan highlights some of the treatment alternatives including topical ivermectin lotion, which has ovicidal
properties, but alas, we do not yet have a single-use magic bullet short of head shaving for all cases of head lice.
oleander extracts was less active and caused only an 85% ovicidal