Table 4 Relative tolerance indices (RTI50) of the ginger, mint, oregano and thyme essential oils for Apis mellifera and Trigona hyalinata (Hymenoptera: Apidae) adults.

From: Selectivity of the botanical compounds to the pollinators Apis mellifera and Trigona hyalinata (Hymenoptera: Apidae)

Essential oils

RTI50 (Th./Am.)

Contact Topic

 

Ginger

1.10

1.82

Mint

1.62

1.30

Oregano

7.52

2.25

Thyme

3.18

1.98

  1. Relative tolerance index [RTI50 = LC50 (contact) or LD50 (topical)] for T. hyalinata/LC50 (contact) or LD50 (topical)] for A. mellifera). Th./Am = T. hyalinata/A. mellifera.
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