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. 2019 Jan 11;12:24. doi: 10.1186/s13071-018-3274-x

Fig. 7.

Fig. 7

Mean wing lengths for flies in different ovarian age categories (OC) caught using odour-baited traps or the VET: a OC = 0 and 4; b OC = 1 and 5; c OC = 2 and 6; d OC = 3 and 7. Mean wing lengths for flies in different ovarian age categories (C) caught using odour-baited traps or the VET. Observed values (O) are the monthly means for all flies captured using the two sampling systems. Predicted values (P) are calculated using the results in Additional file 1: Table S1. Rekomitjie; January 1989 to December 1993