Tobacco Insect Scouting Report. August 8, 2014

— Written By tcmclamb and last updated by Hannah Burrack
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It is now the fifteenth week of scouting! The budworm pressure has dropped significantly over the past couple of weeks as plants at all sites have been topped and are under good sucker control, but hornworm pressure is increasing at our research station sites. Flea beetle numbers are still well below threshold and are not substantially impacting plants at any sites.

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
1.04 flea beetles/plant– No treatment
2% budworm infested plants – No treatment 
0 – No treatment
0 – No treatment
0.06 stilt bugs/plant
o.04 stink bugs/plant

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
1.4 flea beetles/plant – No treatment
0% tobacco budworm infested plants  – No treatment 
0  – No treatment
0 – No Treatment
0.06 stilt 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
2.1 flea beetles/plant – No treatment
0% tobacco budworm infested plants – No treatment
0 – No treatment
0 – No treatment
 0.13 stilt bugs/plant
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
2.5 flea beetles/ plant– No treatment
0 tobacco budworm infested plants – No treatment 
0 – No treatment
0 – No Treatment
0.05 stink bugs/plant

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
1.25 flea beetles/plant – No treatment
0% tobacco budworm infested plants – No treatment
0 – No treatment
0 – No treatment
0.1 stilt bugs/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
1.9 flea beetles/plant– No treatment
0% tobacco budworm infested plants – No treatment
0 – No treatment
0 – No Treatment
0.02  stilt bugs/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/plant Percent tobacco budworm infestation Hornworms/plant Percent cutworm damaged plants Other insects
Treatment needed? 0 %aphid infested plants – No Treatment 0 beetles/plant – No treatment 0% budworm infested plants – No treatment** 0.05 hornworms/ plant – No treatment 0 – No Treatment None Observed

On Station, Kinston – Control plants treated with imidacloprid

Insect observation No. aphid infested plants Flea beetles/plant Percent tobacco budworm infestation Hornworms/plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No Treatment 0 beetles/plant – No treatment 0% budworm infested plants – No treatment** 0.09 hornworms/plant – No treatment 0 – No Treatment 0.01 parasitised hornworms/plant

On Station, Rocky Mount – Control plants with no insecticide treatment

Insect observation No. aphid infested plants Flea beetles/plant Percent tobacco budworm infestation Hornworms/plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No Treatment 0 beetles/plant – No treatment 0% budworm infested plants – No treatment 0.18 hornworms/plant – No treatment 0 – No Treatment 0.13 parasitised hornworms/plant

On Station, Rocky Mount – Control plants treated with imidacloprid

Insect observation No. aphid infested plants Flea beetles/plant Percent tobacco budworm infestation Hornworms/plant Percent cutworm damaged plants Other insects
Treatment needed? 0 – No Treatment 0 – No treatment 0% budworm infested plants – No treatment 0.07 hornworms/plant – No treatment 0 – No Treatment 0.10 parasitised hornworms/plant

On Station, Rocky Mount – 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 1% plants infested with TSWV

On Station, Rocky Mount – 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 4% budworm infested plants – No treatment 0– No treatment 0 – No Treatment 1% plants infested with TSWV
Updated on Jan 14, 2016
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