Table 2. Percentage (±sd) of flies escaping the flight cylinder and their median survival by origin and year.

Origin of pupae	% flies escaping the tube			Median survival (days)
	2012	2013	2014	2012	2013	2014
CIRDES	34.9±16.9a	39.7±19.3a	48.0±19.0b	5a	6b	6b
SAS	14.0±17.0a	24.2±10.3 a	54.1±27.8b	3a	6b	6b

The data on the same line with a letter in common are not significantly different (P > 0.05).