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Table 1 Summary of various mating parameters for Glossina brevipalpis and G. austeni in the field cage for accessing the time of peak mating activity and optimal mating age

From: Determination of the optimal mating age of colonised Glossina brevipalpis and Glossina austeni using walk-in field cages in South Africa

  Possible pairs Actual mated Overall proportion (PM) Relative mating index (RMI ± SD) Mating latency time (min ± SD) Mating duration (min ± SD) Mean spermathecal value Insemination rate
G. brevipalpis         
Fly activity morning 90 63 0.70 - 73.15 ± 0.04 174.21 ± 0.06 0.75 ± 0.20 1.00
Fly activity afternoon 120 79 0.66 - 47.16 ± 0.03 165.13 ± 0.06 0.86 ± 0.12 0.99
Male age 210 97 0.46 - 54.40 ± 0.03 173.20 ± 0.03 0.72 ± 0.31 0.94
9 days - 67 - 0.68 ± 0.23 55.03 ± 0.03 193.48 ± 0.04 0.74 ± 0.28 0.94
6 days - 24 - 0.25 ± 0.20 56.38 ± 0.03 152.24 ± 0.04 0.79 ± 0.28 0.96
3 days - 6 - 0.06 ± 0.06 40.33 ± 0.05 176.00 ± 0.04 0.25 ± 0.35 0.33
G. austeni         
Fly activity morning 120 59 0.49 - 94.33 ± 0.04 204.50 ± 0.06 0.80 ± 0.20 0.98
Fly activity afternoon 150 88 0.59 - 58.36 ± 0.04 138.63 ± 0.04 0.68 ± 0.25 0.94
Male age 360 153 0.43 - 94.30 ± 0.05 137.40 ± 0.05 0.57 ± 0.30 0.93
9 days - 83 - 0.54 ± 0.12 97.10 ± 0.05 144.80 ± 0.06 0.61 ± 0.30 0.95
6 days - 45 - 0.30 ± 0.16 84.07 ± 0.04 139.20 ± 0.04 0.54 ± 0.25 0.96
3 days - 25 - 0.17 ± 0.14 103.56 ± 0.05 126.80 ± 0.04 0.51 ± 0.34 0.80