Permanent Currant Aphid

Aphis schneideri

Permanent Currant Aphid, Gooseberry Aphid, Willowherb Aphid

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Deal with aphids organically: Method 4
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Deal with aphids organically: Method 4
Deal with aphids organically: Method 3
Deal with aphids organically: Method 3
Deal with aphids organically: Method 2
Deal with aphids organically: Method 2
A Permanent Currant Aphid is a black-grey sap-sucking insect. This species will stay on currant plants throughout the year. The females will produce both winged and wingless morphs so that the population can disperse to find new currant plants. Likewise, aphids can have several overlapping generations each year, meaning they can become abundant very quickly.
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Traits

These bugs can cause leaves to become blistered and puckered.
Aphids are a food resource for predatory insects like ladybirds and their larvae!

Appearance

Permanent currant aphid adults are black in colour and can be found near shoot tips, or near the plant blisters which are on the bottom of the infested leaves. Nymphs appear like adults, but are much smaller and lack wings. They suck the sap from plants and by doing so they inject toxic chemicals back into the plant tissue. Plants respond by producing red and green blistering. These are the only aphids that will do this on currant plants.

Symptoms

Foliage becomes distorted near new shoot tips. Leaves appear scrunched up and ball-like. These galls are used to feed and protect nymphs as they develop into adult aphids. Dense colonies of black adults may be evident near areas of new growth. Aphids cause blistering on the currant foliage, which appears as scrunched up, deformed leaves. Sticky, clear honeydew may be seen on plant foliage. Honeydew can result in the formation of black mould.

Activity

Diurnal

Personality

Order

Hemiptera

Family

Aphididae

Metamorphosis

Incomplete

Distribution

Europe

Biological treatment

By encouraging wildlife to visit your garden you can attract natural forms of biocontrol to keep pests at bay that are free of cost! These beneficial insects include ladybirds, lacewings, spiders, hoverfly larvae! By removing these insects you may be removing a key resource for other garden wildlife. Currants that are infested still produce a decent crop, so treatments are unnecessary.

Chemical treatment

You can give plants a plant oil winter wash to eliminate any overwintering eggs. Best time to spray your plants is when insects are nymphs as they are more susceptible to sprays. Organic pesticides sprayed across several applications can be an effective way to control aphid nymphs. Please read and follow the manufacturer's instructions before any products are used. Systemic weedkillers typically have a non-selective mode of action, meaning anything the chemical comes in contact with will be affected.

Attracts

This aphid will alternate between currants and sowthistle.
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