Table 2.

Effects of plant secondary metabolites on immune response of specialist and generalist Lepidopteran herbivores.

Herbivore species	Diet Breadth	Plant Compound	Immune Response	Citation
Parasemia plantaginis	generalist	antioxidants	strengthened with increasing amounts consumed	[84]
Epirrita autumnata	generalist	flavonoids	no effect	[86]
		hydrolyzable tannins	weakened with increasing amounts consumed	[86]
Pieris rapae	specialist	glucosinolates	weakened in induced plants	[93]
Junonia coenia	specialist	iridoid glycosides	negatively correlated with amount consumed and sequestered	[90]
Melitaea cinxia	specialist	iridoid glycosides	positively correlated with amount consumed	[109]
Grammia incorrupta	generalist	iridoid glycosides	no effect	[73]
Ceratomia catalpae	specialist	iridoid glycosides	negatively correlated with amount sequestered	[75]
Ceratomia undulosa	specialist	iridoid glycosides	weakened with increasing amount consumed	[75]
Grammia incorrupta	generalist	pyrrolizidine alkaloids	no effect	[47]