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Thrips / RHS Gardening


Thrips can be hard to detect, shaking foliage over a white sheet of paper or similar can reveal the thrips which can then be examined, ideally with a magnifying lens
Gladiolus thrips / RHS Gardening


Thrips (also known as thunder flies) are an order of insects, the Thysanoptera...Gladiolus thrips (Thrips simplex) on Gladiolus (Gladiolus sp...Gladiolus thrips (Thrips simplex) on Gladiolus (Gladiolus sp...
Glasshouse thrips / RHS Gardening


Thrips (also known as thunder flies) are an order of insects, the Thysanoptera...Glasshouse thrips (Heliothrips haemorrhoidalis) on Rhododendron (Rhododendron sp...Glasshouse thrips (Heliothrips haemorrhoidalis) on Rhododendron (Rhododendron sp...
Impatiens necrotic spot virus and Tomato spotted wilt virus / RHS Gardening


Adult thrips cannot acquire the virus through feeding, but an adult thrips that has acquired the virus at the larval stage will then go on to transmit the virus to susceptible plants for the rest of its life
RHS advisors top 10 common pests and diseases in 2016 / RHS Gardening


The rise of glasshouse thrips was even more spectacular, coming from outside the top 10 in 2015 to fourth place in 2016...Also known as thunder flies, glasshouse thrips were primarily a problem within greenhouses until 2008 when the pest began to be reported on outdoor shrubs...Adult glasshouse thrips have narrow, dark brown bodies up to 2mm long with an orange-tipped abdomen and insects that feed by sucking sap from leaves and flowers
Biological control in the home garden / RHS Gardening


This 3-4mm long dark brown beetle is predatory as an adult and larvae, it feeds on a wide range of invertebrates including aphids, fungus gnats, thrips and red spider mite...This mite will also feed on pollen and thrips larvae allowing the population to survive mite populations are low...Various fruit and vegetable problems including cabbage root fly , onion fly , cutworms , leatherjackets , caterpillars, gooseberry sawfly , thrips and codling moth
About the RHS ? the UK's leading gardening charity / RHS Gardening


Glasshouse thrips have been become an increasing problem and appear to be thriving in sheltered urban gardens, attacking a range of garden plants, particularly Viburnum , causing a silvery discoloration of the upper leaf surface
Insect-proof mesh / RHS Gardening


Ultrafine mesh: 0.3-0.6mm This size gives good protection against thrips , flea beetles and other very small invertebrates

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