Thrips control in North America
Legend: L1= first larval stage; L2= second larval stage; PP= prepupa; P= pupa; A= adult
BRAND NAME
Amblyline
PRODUCT
Amblyseius cucumeris
THRIPS LIFE STAGE
L1
PURPOSE
Preventative
/
Curative
DOSE
Preventative:
- Sachets on stick: 1 sachet per plant or pot if not touching. 2-3 sachets per propagation tray
- Sachet with hook: 1 sachet per plant or pot if not touching and up to one sachet per 9 plants if touching
- Bugline: one line per row and gap between 2 bugline is 120 cm (4 ft)
Curative:
- Blister: 1 blister if plants are not touching and up to 1 blister per 5 plants if touching
- Loose: 100-200/m2/week (10/sqft/week ) until control is achieved
DISTRIBUTION
It works when temperature is below 23° C (74° F). Sachets are release once in the beginning of the crops with good quantity and quality of pollen sucgh as pepper and then boost the number by using loose or blister when is necessary. In other crops they should be replaced every 2-6 weeks depends on the quality of sachets
NOTES
To bring the cost of applying one sachet per plant lower for indoor vegetable growers (Cucumeris does not work on tomato), the sachets can be applied as mix of Cucumeris (C) and Swirskii (S) with the pattern of C-S-C or C-C-S-C-C depends on number of plants per slab
Starskii
Amblyseius swirskii
L1
Preventative
/
Curative
Preventative:
- Sachets on stick: 1 sachet per plant or pot if not touching. 2-3 sachets per propagation tray
- Sachet with hook: 1 sachet per plant or pot if not touching and up to one sachet per 9 plants if touching
- Bugline: one line per row. The gap between two bugline is 80 cm (2 ft)
Curative:
- Blister: 1 blister if plants are not touching and up to 1 blister per 5 plants if touching
- Loose: 100-200/m2/week (10/sqft/week ) until control is achieved
It can tolerate temperature above 23° C (74° F). Sachets are release once in the beginning of the crops with good quantity and quality of pollen sucgh as pepper and then boost the number by using loose or blister when is necessary. In other crops they should be replaced every 2-6 weeks depends on the quality of sachets
To bring the cost of applying one sachet per plant lower for indoor vegetable growers (Swirskii does not work on tomato), the sachets can be applied as mix of Cucumeris (C) and Swirskii (S) with the pattern of C-S-C or C-C-S-C-C depends on number of plants per slab
Exhibitline
Steinernema feltiella
L1, L2, PP, P
Curative
1M/m2 (100,000/sqft). For a better coverage, it is better to use half rate(500,000/m2-50,000/sqft) but two times per week 3-4 days apart
Apply as SPRENCH (spray on the foliage and run off will go to the soil as drench)
It is for knocking the thrips population down and application should be continued until control is achieved and then continue with applying A. cucumeris or A. swirskii depends on temperature
Oriline
Orius insediosus
L1, L2, A
Preventative & Curative
Total rate 1-7/m2 (0.1-0.7/sqft)
It is better to split the total rate to be applied during few weeks
It does not work on tomato and can be release when theere is 12 hours of staedy light (density is not important)
Chrysoline
Chrysoperla carnea
L1, L2, A
Curative
1-10 L/m2 (0.1-1 L/sqft)
It comes as larvae or eggs
Hypoline
Hypoaspis miles
PP, P
Preventative & Curative
100-500/m2 (10 -50/sqft)
It might be necessary to re-apply it time to time especially when you change the pot
Staphyline
Atheta coriaria
PP, P
Preventative & Curative
0.25- 2/m2 (0.025 – 0.2/sqft)
It might be necessary to re-apply it time to time especially when you change the pot
Trapline
A
Monitoring & Mass catching
Rate for cards (yellow or blue) for monitoring purpose is 25 cards/acre/ week (100/ha/week) and for mass catching cards and especially rolls (yellow and blue) can be used at any rates and will change anytime is necceceray
Cards are ussally used for monitoring and rolls for mass catching
Yellow or blue cards and rolls
Trapline T+
A
Mass catching
One roll per post row or bay
To avoid catching thrips from surrounding it is better to use this roll inddor
It catches Western flower thrips (Frankliniella occidentalis)
Thripline
A
Mass catching
1Lure/100 m2 (1 Lure/1000 sqft)
Replace the lure after 4-6 weeks and sticky trap when covered with thrips