Table 3. Comparison of the delay in population growth as a percentage of generation time.

Species	50% mortality	50% reduction offspring	50% mortality and 50% reduction offspring
A. pisum	57	57	143
D. rapae	100	80	253
C. septempunctata	62	46	134
D. pulex	21	17	50
B. dorsalis	54	46	81
F. arisanus	85	63	180
F. vandenboschi	67	100	223

Values listed are percentages.