Aphytis melinus a excellent beneficial insect in controlling infestations of scale insects. Aphytis melinus (golden Chalcis) is a small parasitoid wasp yellow. USE: Aphytis melinus is a parasite that is effective on several different kinds of scale, including: red scale, yellow scale, and oleander scale. They are commonly . Aphytis melinus. Appearance: Aphytis melinus is a yellow parasitoid of about 1 mm in size. The difference between male and female wasps can not be seen with .

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Aphytis melinus

It is during these developmental stages that the scale is not affixed to host plant thus allowing the parasites to get under the scale.

Release at dusk or when windows are covered so that the Aphytis will find infested plants quicker. Retrieved from ” https: Aphytis are tiny yellow wasps capable of short flights within a tree, or from one tree to the next. When the egg hatches, the larval wasp consumes the internal organs of the pest. Minimum 50, wasps per hectare 5 cups per hectare Tips for success Farm practices that reduce wind, increase humidity and minimise dust in the orchard will help the Aphytis to establish.

To reproduce, the female Aphytis lays an egg under a virgin female scale. Aphytis feeds on immature armoured scales scale insectsbut lays its eggs under virgin females. Click on image to enlarge. Productions alliaceous anthurium apple tree bean begonia birch blueberry broccoli cannabis carrot cauliflower celery chive chrysanthemum clematis clothing corn cruciferous cucumber dahlia eggplant flour flowers food fruit tree garden garlic gerbera grapevine grass herbs hibiscus hop hot pepper kale leek lettuce marijuana mill mushroom mustard orchid ornamental poinsettia potato pumpkin raspberry residential rose rosebush rutabaga shallot soy squash strawberry sweet pepper tomato tulip turnip viburnum vine.


Several other closely related and difficult to distinguish Aphytis species attack various armored scales in California.

Adult wasps also use scales as a food source, killing them by direct feeding host feeding. Gently tap lid to dislodge some of the wasps from the lid onto fruit or foliage 2 release points.

Weeds and cover crops between rows also increase humidity meliuns help lower temperatures within the orchard.

Keep remaining cups in a cool location i. If temperatures are expected to be high on the day of release place Aphytis on the southeast side of the tree early in the morning or late in the evening. This page was last edited on 8 Julyat This chalcid wasp -related article is a stub.

The use of a summer oil spray to reduce high number of scale weeks prior to parasite release is also helpful. The window for female control is during the second and third instars of melins while she is a virgin.

Description and biology Aphytis are tiny yellow wasps capable of short flights within a tree, or from one tree to the next. Aphytis melinusalso called golden Chalcid, is a small yellow parasitic wasp, measuring 1. Unfortunately, we cannot provide individual solutions to specific pest problems.

Biological control products and beneficial insects for farmers and greenhouse growers. However it qphytis recommended that parasites be reintroduced after such events, to maintain good levels at all times.

The wasp parasitizes various types of armored scale. Open cup and allow some wasps to fly out onto the foliage 1 release point.

Aphelinidae Beneficial insects Insects described in Chalcidoidea stubs.

It then transforms into a pupa inside the body. Once low levels are achieved releases per year should maintain control. Many live parasites will be on the lid, sides of the cup, and on shredded paper within the cup. Orders received after noon on Tuesday are sent the following Monday.


Copper fungicides, nutritional sprays and some miticides are safe for use with Aphytis. Toggle navigation Biological Services, Australia.

How to Manage Pests:

Aphytis viability decreases rapidly with prolonged storage. The next generation of Aphytis emerges about days later to mate and continue the cycle. When finished with its host, the larva enters the pupalor cocoon, stage. See our Home pageor in the U. After hatching, the developing Aphyytis larvae feed on the scale insects, ultimately killing them.

Aphytis melinus – Wikipedia

This can be achieved by travelling every third row and releasing some wasps every 25 metres. The adult parasites live approximately 26 days and will also dine on honeydew. University of California Agriculture and Natural Resources. If a clean-up spray is warranted for scale control, an application of narrow-range petroleum spray oil is recommended.

Aphytis (Aphytis melinus) – Biological Services, Australia

Shipments of 50, commercially reared Aphytis melinus DeBach were obtained from each of the five insectaries that produce and sell this parasitoid to citrus growers in California for control of California red scale, Aonidiella aurantii Maskell. If harsh toxic pesticides must be used, Aphytis should be re introduced in 4 weeks after mlinus. Pest Management and Identification. Adults live for approximately days up to 25 and deposit eggs daily.