Botanical insecticides are promising pest control agents. This research investigated the novel pesticidal efficacy of
Araucaria heterophylla and
Commiphora molmol extracts against four ectoparasites through treated envelopes. Seven days post-treatment (PT) with 25 mg/mL of
C. molmol and
A. heterophylla, complete mortality of the camel tick,
Hyalomma dromedarii and cattle tick,
Rhipicephalus (Boophilus) annulatus were reached. Against
H. dromedarii, the median lethal concentrations (LC
50s) of the methanol extracts were 1.13 and 1.04 mg/mL and those of the hexane extracts were 1.47 and 1.38 mg/mL, respectively. The LC
50 values of methanol and hexane extracts against
R. annulatus were 1.09 and 1.41 plus 1.55 and 1.08 mg/mL, respectively. Seven days PT with 12.5 mg/mL, extracts completely controlled
Haematopinus eurysternus and
Hippobosca maculata; LC
50 of
Ha. eurysternus were 0.56 and 0.62 mg/mL for methanol extracts and 0.55 and 1.00 mg/mL for hexane extracts, respectively, whereas those of
Hi. maculata were 0.67 and 0.78 mg/mL for methanol extract and 0.68 and 0.32 mg/mL, respectively, for hexane extracts.
C. molmol extracts contained sesquiterpene, fatty acid esters and phenols, whereas those of
A. heterophylla possessed monoterpene, sesquiterpene, terpene alcohols, fatty acid, and phenols. Consequently, methanol extracts of
C. molmol and
A. heterophylla were recommended as ecofriendly pesticides.
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