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Table 3 Mean percentage insemination rates and fecundity of An. arabiensis AMAL females following mating competitiveness experiments under semi-field and laboratory conditions

From: Mating competitiveness of sterile genetic sexing strain males (GAMA) under laboratory and semi-field conditions: Steps towards the use of the Sterile Insect Technique to control the major malaria vector Anopheles arabiensis in South Africa

Treatment (sterile males: fertile males: fertile females) Field assays Laboratory assays
Mean % of females recovered ± SD (min - max) % Insemination rate ± SD Fecundity# (Mean no. eggs produced/female ± SD) % Insemination rate ± SD Fecundity (Mean no. eggs produced/female ± SD)
0:1:1 56.1 ± 20.6 (43 - 79.9)a 88.3 ± 10.4a 32.5 ± 21.3a 95 ± 0.0a 7.5 ± 1.3a
1:0:1 63 ± 11.8 (55 - 76.5)a 89.7 ± 10.0a 9.2 ± 4.4a 98.3 ± 2.9a 5.7 ± 2.9a
1:1:1 59.8 ± 16.9 (49.5 - 79.3)a 93.3 ± 7.6a 15.8 ± 8.9a 100a 11.8 ± 10.3a
5:1:1 63.5 ± 20.0 (51.5 - 86.6)a 90.0 ± 13.2a 25.4 ± 15.3a 98.3 ± 2.9a 8.1 ± 7.0a
10:1:1 57.2 ± 36.7 (24 - 96.6)a 93.3 ± 5.8a 26.6 ± 13.3a 98.3 ± 2.9a 15.5 ± 12.2a
  1. #determined by mass egg plating. Irradiation of males was carried out at 75 Gy during field assays and 70 Gy during laboratory assays. Within columns, values followed by different lowercase letters are statistically different (P < 0.05; one-way ANOVA)