Table 1 Common names, species, family, phylogenetic distance (PD), and physicochemical similarity (PS) values of essential oils compared to broccoli odors, used in no-choice and choice assays on swede midge (Contarinia nasturtii).

From: Odors from phylogenetically-distant plants to Brassicaceae repel an herbivorous Brassica specialist

Plant

Species

Family

PDa

PSb

Peppermint*

Mentha x piperita

Lamiaceae

0.2062

0.3699

Marjoram*

Origanum jaoranum

Lamiaceae

0.2076

0.3455

Wormwood*

Artemisia vulgaris

Asteraceae

0.2532

0.2858

Broccoli

Brassica oleraceae

Brassicaceae

0.0000

1.0000

Wintergreen*

Gaultheria procumbens

Ericaceae

0.1654

0.3269

Thyme*

Thymus vulgaris

Lamiaceae

0.2054

0.4542

Caraway*

Carum carvi

Apiaceae

0.2642

0.2192

Eucalyptus*

Eucalyptus globulus

Myrtaceae

0.1658

0.4434

Star Anise*

Illicium verum

Schisandraceae

0.2526

0.6972

Oregano*

Origanum vulgare

Lamiaceae

0.2070

0.5551

Spearmint*

Mentha spicata

Lamiaceae

0.2076

0.8579

Eucalyptus Lemon*

Corymbia citriodora

Myrtaceae

0.1651

0.4187

Lemongrass*

Cymbopogon flexuosus

Poaceae

0.2427

0.4592

Cinnamon*

Cinnamomum verum

Lauraceae

0.1869

0.5986

Garlic*

Allium sativum

Amaryllidaceae

0.1779

0.5510

Niaouli*

Melaleuca quinquenervia

Myrtaceae

0.1592

0.5250

Cassia

Cassia auriculata

Fabaceae

0.1564

0.5127

Rosemary

Rosmarinus officinalis

Lamiaceae

0.2003

0.4956

Coriander

Coriandrum sativum

Apiaceae

0.2654

0.4406

  1. An asterisk indicates essential oils that were also used in olfactometer assays. aPhylogenetic Distance - calculated using matK/rbcL chloroplast transcripts. bPhysicochemical Similarity – calculated by comparing chemical fingerprints of essential oils to brassica volatiles.