Tobacco Insect Scouting Report. August 4, 2014

— Written By tcmclamb and last updated by Hannah Burrack
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It is week fourteen of our weekly scouting program, and numbers remain low. Flea beetle numbers have increased somewhat but are still low enough to not cause any substantial damage. We have observed a few a tobacco budworm larvae, mostly on suckers. Most sites are now starting to harvest and we expect to see more flea beetles, and some hornworm pressure within the next couple of weeks.

Scouting Report, Eastern 1 – Grower Standard Field

Insect observation No. aphid infested plants Flea beetles  per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed?
0 – No treatment
 0.4 flea beetles/plant – No treatment
2% – No treatment 
0 – No treatment
0 – No treatment
0.02 stilt bugs/plant None observed

Scouting Report, Eastern 2 – IPM Field

Insect observation No. aphid infested plants Flea beetles per plant Percent tobacco budworm  infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed?
0 – No Treatment
0.6 flea beetles/plant – No treatment
2% tobacco budworm infested plants  – No treatment 
0  – No treatment
0 – No Treatment
0.04 stilt bugs/plant
0.04 stink bugs/plant 

Scouting Report , Eastern 3 – Grower Standard Field

Insect observation No. aphid infested plants Flea beetles per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed?
0 – No treatment
2.7 flea beetles/ plant – No treatment
0% tobacco budworm infested plants – No treatment
0 – No treatment
0 – No treatment
0.03 stink bugs/plant

Scouting Report, Eastern 4 – IPM Field

Insect observation No. aphid infested plants Flea beetles per plant Percent tobacco budworm  infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed?
0 – No Treatment
3 flea beetles/ plant – No treatment
0% tobacco budworm infested plants – No treatment 
0 – No treatment
0 – No Treatment
None observed 

Scouting Report Piedmont 1 – Grower Standard Field

Insect observation No. aphid infested plants Flea beetles per plant Percent tobacco budworm infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed?
0 aphid infested plants – No treatment
0.58 flea beetles/plant – No treatment
5% tobacco budworm infested plants – No treatment
0 – No treatment
0 – No treatment
0.05 parasitised budworms/plant

Scouting Report, Piedmont 2 – IPM Field

Insect observation No. aphid infested plants Flea beetles per plant Percent tobacco budworm  infested plants Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed?
0 – No Treatment
0.72 flea beetles/plant – No treatment
2% tobacco budworm infested plants – No treatment
0 – No treatment
0 – No Treatment
.04 stink bugs/plant 
.02 stilt bugs/plant
.02 grasshoppers/plant 

Here are the scouting reports from the control plots for our experiments at the Upper Coastal Plain Research Station near Rocky Mount, NC and the Lower Coastal Plain Research Station near Kinston, NC. For some of these experiments, the control plots receive no insecticide treatments for the entire season. For some of the experiments, we are interested in only caterpillar pests so all plants in the experiment, including the control plots, are treated in the greenhouse with imidacloprid to prevent other early season pests.

On Station, Kinston – Control plants with no insecticide treatment

Insect observation No. aphid infested plants Flea beetles per plant Percent tobacco budworm infestation Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No Treatment 0 – No treatment 0% budworm infested plants – No treatment 0 – No treatment 0 – No Treatment None Observed

On Station, Kinston – Control plants treated with imidacloprid

Insect observation No. aphid infested plants Flea beetles per plant Percent tobacco budworm infestation Hornworms per plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No Treatment 0 – No treatment 0% budworm infested plants – No treatment 0.01 hornworms/plant – No treatment 0 – No Treatment None Observed

On Station, Rocky Mount – No data taken due to topping**

Updated on Jan 14, 2016
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