Table 3.

Mean (±SEM) total duration (frequency x mean duration) (mins) of feeding activities by Diaphorina citri adults and nymphs on weed species and C. macrophylla during 18 h EPG recordings. Number of replicates: Primrose n = 18, Spanish needle n = 22, Dogfennel n = 18, and C. macrophylla n = 22.

		Psyllid Life Stage		Plant Type
Waveform	Effect	Nymph	Adult	Primrose	Spanish Needle	Dogfennel	Citrus macrophylla	F-Value	P > F
C Intercellular passage	Stage	316 ± 13	220 ± 12					32.37	<0.0001
	Plant type			239 ± 19	308 ± 18	268 ± 19	252 ± 17	3.40	0.02
	Interaction							8.35	<0.0001
D Phloem penetration	Stage	4 ± 0.5	0.6 ± 0.4					24.6	<0.0001
	Plant type			0.09 ± 0.6	0.7 ± 0.6	1.8 ± 0.6	5.4 ± 0.5	17.1	<0.0001
	Interaction							5.4	0.001
E1 Phloem salivation	Stage	4.3 ± 0.4	0.6 ± 0.4					28.6	<0.0001
	Plant type			0.08 ± 0.6	0.5 ± 0.6	1.6 ± 0.6	6.3 ± 0.5	25.08	<0.0001
	Interaction							10.09	<0.0001
E2 Phloem ingestion	Stage	202 ± 12	28 ± 12					64.1	<0.0001
	Plant type			0.6 ± 0.1	0.00 ± 0.0	0.0 ± 0.0	376 ± 15	133.4	<0.0001
	Interaction							72.1	<0.0001
G Xylem feeding	Stage	113 ± 19	218 ± 18					13.68	0.0003
	Plant type			197 ± 27	188 ± 26	174 ± 28	125 ± 24	1.53	0.20
	Interaction							1.59	0.19
Np Non-probing activities	Stage	437 ± 21	611 ± 20					28.56	<0.0001
	Plant type			642 ± 30	582 ± 29	633 ± 30	315 ± 26	32.74	<0.0001
	Interaction							12.61	<0.0001