Frankliniella occidentalis - Observation and microscopic identification
Frankliniella occidentalis is a small insect about 1 mm in length, from North America that has spread to other continents, including Europe, Australia and South America via infected plant. It affects more than 500 species of plants and fruit trees, ornamental vegetables.
Most insects are observed females that reproduce by parthenogenesis. Its color varies from red to yellow and brown. The adult is long and thin, with two pairs of long wings. Eggs are oval or kidney - shaped, white. The nymphs are yellowish with red eyes. Each female lays 40 to 100 eggs in plant tissues, often in the flowers but also fruits or leaves.
The main damage caused are due to egg laying on the ground. Also they cause damage by feeding, resulting in a silver spots by the reaction of the plant to its saliva. This insect is also mottling virus transmitter wilted tomatoes or tomato spotted wilt virus. This insect activity is maintained throughout the year, even in cold and rainy weather is less.
Microbiological tests recommended
- Microscopic examination to identify according to their morphological characteristics.
Tests in IVAMI
- Microscopic observation and identification.
- 24 hours.
Type of sample
- Leaves or fruit plants with injuries.
- Room temperature inside a plastic bottle tightly closed with some moisture to prevent drying (eg., Piece of paper dampened with water).
Cost of the test
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