Aphid monitoring in 2023 – a quick review

The primary purpose of our aphid monitoring efforts in southeast Idaho is to inform seed potato growers when aphid flights are occurring. Seed potato growers are interested in this information because many aphid species can vector Potato virus Y (PVY), an economically impactful virus for the seed potato grower since seed potatoes becomes ineligible for…

final report of the 2023 potato psyllid / Lso monitoring season.

This is the final report of the 2023 potato psyllid / Lso monitoring season. All of the psyllids tested last week were negative for Lso, the bacterium associated with zebra chip disease (ZC). About 6% of all psyllids tested positive for Lso this year compared to around 1% in most recent years (and 22% last…

Psyllid trapping wrap up

We officially ended the monitoring season last week, but we received a bonus week of sticky traps from two fields in Canyon County this week. We captured a total of 12 psyllids across these 2 fields. None of the six psyllids captured last week was positive for Lso, the bacterium associated with zebra chip disease…

Psyllid trapping ends for the season.

This week we received traps from 20 of the 55 fields that we are monitoring. Thirty-three fields have been vine killed or are senescing and are no longer being monitored. We captured a total of 6 psyllids across 3 fields. The three fields were in Canyon, Elmore, and Twin Falls counties. This is our last…

Psyllid captures dropped this week

This week we received traps from 31 of the 55 fields that we are monitoring. Twenty-two fields have been vine killed or are senescing and are no longer being monitored. We captured a total of 15 psyllids across 7 fields. Five of the fields were in Canyon County, and the other two fields were in…

Psyllid captures per field similar to last week

This week we received traps from 35 of the 55 fields that we are monitoring. One field was vine killed and we are still waiting on traps from 19 sites. Many of these fields could not be entered earlier in the week so traps were shipped to us late. We captured a total of 30…

Psyllid captures tick up slightly, but still relatively low

This week we received traps from 49 of the 55 fields that we are monitoring. We captured a total of 44 psyllids across 14 fields. Ten of the fields were in Canyon County; the remaining 4 fields were in Payette, Elmore, and Twin Falls counties. Total psyllid captures ticked up slightly, at least in the…

Psyllid captures remain low; no new positives

This week we received traps from 50 of the 55 fields that we are monitoring. We captured a total of 30 psyllids across 12 fields. Seven of the fields were in Canyon County, the remaining 5 fields were in Payette, Owyhee, Elmore, and Twin Falls counties. Total psyllid captures were similar to last week, and…

Psyllid captures still relatively low

This week we received traps from 46 of the 55 fields that we are monitoring. We captured a total of 29 psyllids across 13 fields. Nine of the fields were in Canyon County, the remaining 4 fields were in Payette, Owyhee, Gooding, and Twin Falls counties. Total psyllid captures were slightly higher than last week,…