Table 1.

Insect species investigated by NMR-spectroscopic screening

Species, family	Life stage	Source	Diet
Delphastus catalinae, Coccinellidae	pupae	laboratory colony*	whiteflies (Bemisia tabaci) raised on either collards (Brassica oleracea) or tobacco (Nicotiana tabacum) devoid of trichome secretion
Delphastus catalinae, Coccinellidae	adults	laboratory colony or directly from supplier*	same as above
Pieris napi, Pieridae	larvae (2nd or 3rd instar)	laboratory colony†	collards (Brassica oleracea)
Pieris virginensis, Pieridae	larvae (2nd to 4th instar)	first-generation progeny of field-collected females‡	toothwort (Cardamine [Dentaria] spp.)
Anthocharis midea, Pieridae	larvae (2nd or 3rd instar)	first-generation progeny of field-collected females§	rockcress (Arabis spp.)
Agraulis vanilla, Nymphalidae	larvae (1st or 2nd instar)	from eggs obtained from suppliers¶	passion vine (Passiflora caerulae)
Megisto cymela, Nymphalidae	larvae (1st instar)	first-generation progeny of field-collected females§	grass species (Poaceae)
Schizura ipomoeae, Notodontidae	larvae (2nd or 3rd instar)	first-generation progeny of field-collected females§	sugar maple (Acer saccharum)
Schizura unicornis, Notodontidae	larvae (2nd or 3rd instar)	first- and second-generation progeny of field-collected females§	aspen (Populus tremuloides)
Schizura leptinoides, Notodontidae	larvae (2nd or 3rd instar)	first-generation progeny of field-collected females§	shagbark hickory (Carya ovata)
Heliothis virescens, Noctuidae	larvae (3rd instar)	laboratory colony∥	wild-type tobacco (Nicotiana tabacum) with trichome secretion

^*Established from livestock supplied by Applied Bio-nomics, Ltd.

^†Progenitors collected in Vermont.

^‡Connecticut and Massachusetts.

^§Connecticut.

^¶Cockerell Butterfly Center, Houston, Texas and Gulf Coast Butterflies, Naples, Florida.

^∥Progenitors purchased from the North Carolina State University Insectary.