Feltiella acarisuga pupae (Gall-midge), 250 pupae /tray


$74.50

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Spidend adult

Spidend larva Feltiella acarisuga is a tiny gall-midge that feeds on two-spotted spider mites and various other species of spider mites. Feltiella are used when spider mite infestations are severe; they may be used with appropriate mite predators for the most effective control. They are most often used in tomatoes, cucumbers, sweet peppers, other greenhouse crops and field strawberry crops. Feltiella works best for plants which have hairy stems. Of particular interest to greenhouse growers is that they have been shown to work quite effectively in situations where other mite predators have been ineffective by themselves.

Introduction

  • make a hole in the paper in the lid on the beaker and put it on the rockwool slab or the soil
  • protect against direct sunlight
  • let the beaker or box stand for at least two weeks

Environmental conditions: High humidity boosts the emergence of gall-midges.

Storage and handling

  • storage after receipt: 1-2 days
  • storage temperature: 8-10°C/47-50°F
  • in the dark

Remarks: Feltiella acarisuga should always be used in combination with the predatory mite Phytoseiulus persimilis.

Appearance

  • Adults: midge of 2 mm long, pink-brown, long legs
  • Eggs: oblong, 0.1 x 0.25 mm in size, shiny, translucent
  • Larvae: 0.2-2 mm in size, orange-brown, occur in spider mite colonies
  • Pupae: are inside a white coccoon, occur mainly at the undersides of leaves, along the veins

Mode of action:  Adult gall-midges search for spider mite colonies actively and deposit eggs next to the spider mites. The larvae that hatch feed on spider mite eggs and suck them empty. It takes one week for the eggs to develop to mature larvae. The pupal stage takes approximately one week.

Visual effect: Spider mites that are killed by the gall-midge shrivel up and become brown or black. Dozens of larvae can be found per spider mite infested leaf. White cocoons are clearly visible along the veins of the leaf.

Important!  The introduction rates of this product should be adjusted to the mode of action of the product and the results that can be expected in the crop where the product is applied. Your local Koppert consultant will be able to advise you further.
 
Estimate Rates:

 

rate

interval (days)

frequency

remark

preventive

-

-

-

-

curative light

0.25 - 1 /m²

7

min. 3x

-

curative heavy

5 - 10 /m²

7

min. 3x

introduce in infested areas only

 

All times are Pacific Time Zone
Holiday Shipping Schedules apply to all products.

West coast shipping points:

  • Orders processed by 10:00 AM Thursday for shipment the following Tuesday, please select Next Day Air
Koppert Shipping Schedule

Beneficial Insects are special order items and shipped within the USA: Lower 48 states only.  Restrictions may apply in specific states.  Please check with your local Extension Service for suitability in your area.

  • Model: F-acarisuga_bulk
  • Shipping Weight: 0.5lbs
  • Manufactured by: Beneficial Insectary: Overnight

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