common in Europe. Damage symptoms After invading the fruit, the larvae first form a small cavity just under the skin. The entry hole can be seen and is usually
number of flower stems and a longer vegetative stage. The root damage can also form entry points for pathogens. Life cycle and appearance of Lyprauta The adults
apple aphid Aphids have a complex life cycle, with both winged and wingless forms of adults, and a great variety in colour. They moult four times before reaching
the contents of their prey, leaving the empty skin behind in its original form. Pack size 500; 2,000 adults and nymphs. Presentation 100 ml bottle. Carrier
algae extracts. Biological substances are applied to the seed in a powder form or as a liquid. An even layer covers the whole seed. In this way, the beneficial
woolly aphid depends entirely on wingless, parthenogenetic and viviparous forms. Sometimes a few wingless egg-laying females are produced in autumn but their
is the largest of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in crops or stored
content of the plant cells as nutrients. On the infected area, new spores are formed within a few days. Under circumstances unfavourable for germination, the
and scientific names of this moth refer to the behaviour of the larvae to form long processions. The moth is native to central and southern Europe but is
therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Characteristically, dark sooty moulds ( Cladosporium spp .)