Table 1 Consumption (mean ± standard error) of sugar solution over three days, thiacloprid uptake per bee and per mg of body weight in males and females. The thiacloprid dosage per body weight of males in treatment 200 is approx. the same as in females in treatment 555 (bold).

From: Immunosuppression response to the neonicotinoid insecticide thiacloprid in females and males of the red mason bee Osmia bicornis L.

Sex

Treatment

Thiacloprid concentration

Sugar solution consumed (mg/bee)

Thiacloprid consumed (µg/bee)

Thiacloprid dosage (ng/mg body weight)

Males

control

0

171.55 ± 15.32

0.000

0.00

 

100

100 µg/kg

179.80 ± 23.89

0.018

0.35

 

200

200 µg/kg

130.95 ± 25.17

0.026

0.50

 

555

555 µg/kg

128.45 ± 19.17

0.072

1.34

Females

control

0

97.22 ± 22.3

0.000

0.00

 

100

100 µg/kg

79.06 ± 18.42

0.008

0.09

 

200

200 µg/kg

80.46 ± 23.39

0.016

0.18

 

555

555 µg/kg

85.88 ± 17.55

0.046

0.52