Table 4 Results of multiple logistic regression of environmental variables on prevalence of water mite parasitism on the pupae of black fly species

S. angustitarse

− 0.06

− 754.76

− 44.42

− 2.66

− 3.73

S. sergenti

0.01

− 9.43

6.14

− 0.16

− 1.16

S. lineatum

− 3.05

− 3953.30*

1650.98

262.20

–

S. ornatum

0.24

− 3529.00*

− 156.50*

− 0.06

35.82

S. intermedium

− 0.01

− 1583.00*

447.00*

− 19.88*

− 12.83

S. pseudequinum

− 0.01

6.72

7.79*

0.04

− 3.15

S. equinum

− 0.01

− 26.02

–

–

–

S. trifasciatum

0.60

− 4639.54*

− 397.89*

− 2.99*

− 23.10