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Table 1 Average values of eggs, puparia and adult progeny obtained from field-collected (WF), F1 and F2 females of Phortica oldenbergi, Phortica semivirgo and Phortica variegata according to feeding medium (Chestnut, Standard)

From: Laboratory breeding of two Phortica species (Diptera: Drosophilidae), vectors of the zoonotic eyeworm Thelazia callipaeda

Species Medium Parental generation F1 generation F2 generation
Wild females Eggs/WF Puparia/WF Adults/WF F1 females Eggs/F1 Puparia/F1 Adults/F1 F2 females Eggs/F2 Puparia/F2 Adults/F2
Phortica oldenbergi Chestnut 4 48.2 (min: 1, max: 41, SD: 8.7) 33.8 (min: 1, max: 19, SD: 4.9) 13.5 (min: 1, max: 79, SD: 13.2) 61 1.4 (min: 1, max: 30, SD: 3.2) 0.3 (min: 2, max: 6, SD: 0.7) 0.1 (min: 3, max: 13, SD: 2.4) 13 0 0 0
Standard 67 33.0 (min: 1, max: 69, SD: 10.8) 8.2 (min: 1, max: 19, SD: 3.2) 2.9 (min: 1, max: 31, SD: 4.1) 189 5.9 (min: 1, max: 42, SD: 5.8) 0.7 (min: 1, max: 9, SD: 1.2) 0.3 (min: 1, max: 25, SD: 2.1) 43 3.2 (min: 1, max: 18, SD: 3.2) 0.2 (min: 1, max: 2, SD: 0.3) 0.1 (min: 1, max: 2, SD: 0.7)
Phortica semivirgo Standard 3 63.7 (min: 1, max: 19, SD: 6.7) 27.3 (min: 1, max: 12, SD: 2.9) 7.0 (min: 4, max: 23, SD: 4.6) 21 10.8 (min: 1, max: 33, SD: 4.9) 0 0 0 0 0 0
Phortica variegata Chestnut 6 11.9 (min: 1, max: 12, SD: 3.2) 9.2 (min: 1, max: 5, SD: 2.1) 4.5 (min: 1, max: 17, SD: 4.3) 19 1.8 (min: 1, max: 15, SD: 2.2) 0 0 0 0 0 0
Standard 50 23.8 (min: 1, max: 44, SD: 5.6) 6.8 (min: 1, max: 11, SD: 1.8) 1.8 (min: 1, max: 29, SD: 2.6) 85 1.3 (min: 1, max: 10, SD: 1.3) 0.01 (min–max: 1, SD: 0.06) 0.01 (min–max: 1, SD: 0.05) 1 0 0 0