Table 2.
Number of EHDV- and BTV-positive pools detected by RT-qPCR out of the total number of pools of specimens from five species of Culicoides collected in June–November from 2016 to 2018 using CDC traps with or without black light at the Bob R. Jones Idlewild Research Station near Clinton, LA
| Total pools (total specimens) | EHDV-positive pools | BTV-positive pools | |||||
|---|---|---|---|---|---|---|---|
| Year | Species | Black light | No light | Black light | No light | Black light | No light |
| 2016 | C. crepuscularis | 2 (20) | 1 (11) | 0 | 0 | 0 | 0 |
| C. debilipalpis | 23 (122) | 21 (210) | 0 | 0 | 2 | 1 | |
| C. stellifer | 34 (412) | 21 (267) | 1 | 0 | 0 | 0 | |
| C. haematopotus | 6 (9) | 8 (10) | 0 | 0 | 1 | 0 | |
| C. venustus | 25 (141) | 2 (7) | 2 | 0 | 0 | 0 | |
| 2017 | C. crepuscularis | 9 (19) | 7 (9) | 1 | 1 | 0 | 0 |
| C. debilipalpis | 21 (140) | 18 (90) | 1 | 0 | 0 | 2 | |
| C. stellifer | 23 (231) | 15 (103) | 3 | 1 | 2 | 2 | |
| C. haematopotus | 3 (6) | 1 (2) | 2 | 0 | 0 | 0 | |
| C. venustus | 17 (91) | 2 (9) | 5 | 0 | 2 | 1 | |
| 2018 | C. crepuscularis | 7 (12) | 2 (4) | 0 | 0 | 1 | 0 |
| C. debilipalpis | 16 (39) | 24 (98) | 0 | 0 | 1 | 1 | |
| C. stellifer | 28 (229) | 22 (71) | 0 | 0 | 1 | 1 | |
| C. haematopotus | 5 (10) | 3 (5) | 0 | 0 | 1 | 1 | |
| C. venustus | 16 (76) | 4 (13) | 1 | 0 | 0 | 1 | |
| Total | 235 (1557) | 151 (909) | 16 | 2 | 11 | 10 | |