Table 3: Studies showing evidence consistent with insect avoidance of nonhost plants and/or their volatiles.

SpeciesOrder; FamilyAssessment method(s)Electrophysio. response nonhost volatiles?Reference

Dryocosmus kuriphilusHymenoptera: CynipidaeY-tube olfactometerYes[61]
Sitophilus zeamaisColeoptera: CurculionidaeFour-way olfactometer?[62]
Brevicoryne brassicaeHemiptera: AphididaeY-tube olfactometerYes[63]
Aphis fabaeHemiptera: AphididaeY-tube olfactometerYes[63]
Rhagoletis pomonellaDiptera: TephritidaeField test; no-choice flight tunnelYes[64, 65]
Diachasma alloeumHymenoptera: BraconidaeY-tube olfactometerYes[66]
Pityogenes chalcographusColeoptera: CurculionidaeField test?[67]
Tomicus  piniperda Coleoptera: CurculionidaeField testYes [68]
Hylurgops  palliatus Coleoptera: CurculionidaeField test?[68]
Heliothrips  haemorrhoidalis Thysanoptera: Thripidaeunknown?[70]