Tobacco Bud Worm – Heliothis virescens

Available Products
1 mg Standard Lure
Dispenser Details
Natural Rubber Septum
Active Life
4-6 weeks (temperature dependent)
Pest Details
Adult
Wingspan of 28-35 mm. Forewings are brownish suffused with green. Three dark transverse bands are present usually each with a cream coloured border. Hind wings are whitish with a dark distal band around the margin.
Larvae
First instars are 1.1 to 4 mm in length, yellowish to yellowish green in colour with a yellowish-brown head.Final instars reach 23.3-35.6 mm in the final instar and
are greenish, pinkish or reddish coloured with dorsal and lateral whitish bands and a brown head. The body usually bears numerous black microspines.
Eggs
Spherical with a flattened base, 0.5-0.6 mm in width.Initially whitish-yellow in colour, becoming grey with age.Laid blossoms, fruit and terminal growth points.
Distribution
The Americas
Economic Host(s)
A wide range of crops including cotton, tobacco, soybean, cabbage, pepper, squash and tomato.
Symptons/Signs
Early instars usually feed on young leaves and plant tissue while later instars often feed on fruit, buds and blossoms. Loss of terminal buds can cause distortions in growth and cotton bracts attacked are often shed.
Generations
4-5 (climate dependent)
Monitoring
Adults Present
March to November (climate dependant)
Recommended Trap Density
2 traps per hectare in large uniform areas of crops and 3-5 traps per hectare in small, less dense or mixed crop stands.
Trap Maintenance
Check traps on a regular basis; at least twice a week. We recommend replacing the pheromone dispensers every 4 weeks to achieve optimum results.
Storage
Keep product away from heat and direct sunlight. Store in a refrigerator for a shelf life of 12 months or a freezer for an extended life of 24 months. Always store sealed in original packaging.
Recommended Trap

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