Effect of Monochamus galloprovincialis feeding on Pinus pinaster and Pinus pinea, oleoresin and insect volatiles Author Gonçalves, Elsa ∗ & Centro de Estudos do Ambiente e do Mar (CESAM Lisboa), Faculdade de Ciências da Universidade de Lisboa (FCUL), Centro de Biotecnologia Vegetal (CBV), Author Figueiredo, A. Cristina Author Barroso, José G. Author Henriques, Joana Author Sousa, Edmundo Author Bonifácio, Luís text Phytochemistry 2020 112159 2020-01-31 169 1 12 http://dx.doi.org/10.1016/j.phytochem.2019.112159 journal article 264476 10.1016/j.phytochem.2019.112159 c1e7f535-69ea-4637-a890-52574935f20d 1873-3700 8293567

Table 3 Composition of volatiles collected by SPME from Pinus pinea before and during Monochamus galloprovincialis feeding (B Mg F and D Mg F, respectively). The average percentage is given for each component for total trees analysed.

Pinus pinea volatiles before and during Monochamus galloprovincialis feeding
RI: In-lab calculated retention index relative to C 9 –C 21 n -alkanes on the DB-1 column, SE:Standard error, Absence of value in SE column means that its calculation was not applicable, t: trace (<0.05%).
Components	RI		B Mg F		D Mg F
		%	SE	%	SE
α-Pinene	930	t	1.8	6.2	1.3
β-Pinene	963	t	1.2	t	0.5
β-Myrcene	975	t		t	0.3
Limonene	1009	46.0	11.0	54.2	7.2
Linalool	1074	t	1.8	t	0.5
β-Caryophyllene	1414	t	1.8	t	0.7
n -Hexadecanol	1821	t	4.5	21.7	6.7
Isopropyl Palmitate	2064	54.0	10.2	9.3	1.5
n -Octadecanol	2095	t	3.3	8.5	2.4