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Table 3 Maximum likelihood estimate (MLE) for epizootic hemorrhagic disease virus (EHDV) and 95% confidence intervals from five species of Culicoides captured in CDC traps with and without light from 2016 to 2018 at the Bob R. Jones Idlewild Research Station near Clinton, LA

From: Comparison of trapping methods for use in surveys for potential Culicoides vectors of orbiviruses

Species

EHDV with light

EHDV no light

No. + pools (#spm.)a

MLE (CI)b

No. + pools (#spm)

MLE (CI)

C. crepuscularis

1 (51)

21.6 (0.9–77.9)

1 (24)

47.2 (3.9–271.7)

C. debilipalpis

1 (301)

3.9 (0.2–19.1)

0 (398)

na

C. haematopotus

2 (25)

70.9 (13.3–211.4)

0 (17)

na

C. stellifer

4 (872)

3.7 (1.2–8.8)

1 (441)

4.4 (0.2–21.1)

C. venustus

8 (308)

26.9 (12.6–50.9)

0 (29)

na

Total

16 (1557)

9.4 (5.6–14.8)

2 (909)

2.8 (0.5–9.1)

  1. aThe number of RT-qPCR-positive pools for EHDV (no. + pools) and the number of specimens (#spm.) tested
  2. bMLE = bias-corrected maximum likelihood estimate of the infection rate and CI = 95% confidence intervals calculated using PooledInfRate software