Population dynamics of the Gyrinid beetle Gyrinus marinus Gyll. Table II-4

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Table II-4. Flight activity and individual ability in repeated tests.

IN THE FIRST TEST WITH FLIGHT WITHOUT FLIGHT

MALES FEMALES MALES FEMALES
IN THE FIRST TEST 287 226 189 199

IN THE SECOND TEST
WITH FLIGHT 217 169 116 71

% WITH FLIGHT 75.6 74.8 61.4 35.7

IN THE FIRST TEST	WITH FLIGHT		WITHOUT FLIGHT
	MALES	FEMALES	MALES	FEMALES
IN THE FIRST TEST	287	226	189	199
IN THE SECOND TEST WITH FLIGHT	217	169	116	71
% WITH FLIGHT	75.6	74.8	61.4	35.7