Role of different Culicoides vectors (Diptera: Ceratopogonidae) in bluetongue virus transmission and overwintering in Sardinia (Italy)

Table 5 Minimum Infection Rate (MIR)^a in parous females of Culicoides vectors from Bari Sardo

Species	Infection Rate	Lower Limit	Upper Limit	No. ofpools	No. ofpositive pools	No. ofindividuals
C. imicola	0.023	0.012	0.040	52	11	520
C. scoticus	0.058	0.031	0.101	24	11	240
C. newsteadi species A	0.041	0.025	0.066	46	16	460
C. newsteadi species B	0.032	0.016	0.058	32	9	320

^aMIR = number of positive pools/total specimens tested, assuming only one infected individual midge per positive pool [51]

ISSN: 1756-3305