Table 15.3.

Terpenes added in anti-insect formulations

Terpene type	Function	Features	References
Limonene	This is strongly preferred. Limonene enhances the properties of other terpenes	Redistilled limonene has less odor, more stable than d-limonene	Franklin et al. (2001)
Beta-ionone	Antibacterial and antifungal properties	Beta-ionone has prophylactic value.	Mikhlin et al. (1983)
Geraniol	Similar level activity like beta-ionone. Geraniol possesses antibacterial and antifungal properties.	Geraniol gives a pleasant fragrance.	Chen and Viljoen (2010)
Eugenol	This is also the active terpene in clove oil. This possesses anesthetic properties which help with the itching that comes with bug bites. Also contain antibacterial and antifungal properties	Contain a distinct fragrance which is like geraniol	Franklin et al. (2001)
Myrcene	Possesses antifungal, antibacterial properties	Famous for its fragrance properties	Filipowicz et al. (2003)