Table 1.

Mortality rates of honeybees after an injection of dsRNA or siRNA or no injection

Injection	Dead bees	Total number	Mortality rate	χ2 (df = 1), p value
dsNEG	441	1185	37%	1.18, p = 0.2783
dsNR1	416	1186	35%
siNEG	157	280	56%	0.01, p = 0.9235
siNR1	157	278	56%
dsNEG	23	57	40%	0.00, p = 1
No injection	23	57	40%