• Black rot of carrots

  These spots can be distinguished by the dark and brown concentric rings that are caused by sporulation. Species may differ in specific symptoms. Life cycle [...] carrots ( Alternaria radicina ) is a seed-transferred carrot disease. The seeds are the main source of primary infection and this may lead to death of seedlings [...] of carrot disease can spread to the flowers (especially dangerous in crops for seed production) and to the crown. Lesions of black rot of carrots ( Alternaria

• Lyprauta

  which are small earthworms of the family Enchytraeidae. Damage symptoms The symptoms are superficial damage on roots. Especially the root tips are affected [...] spot on their wings. The eggs of Lyprauta sp. are greyish-black and spherical. Larvae of Lyprauta sp. are a transparent greyish white and have a long slender [...] body. The head is brown or reddish. The pupae are white to yellow and embedded in a dense web. Adult flies are long and slender and have a dark brown head

• Lesser house fly

  typically reproduce in feces, compost and carrion. These flies are often a serious concern for commercial animal farming operations, since high-density housing [...] the ideal conditions for maggot development. In extreme cases, large fly populations can even represent a public health concern for the communities surrounding [...] Fannia spp. do not cause any direct damage to animals or buildings, they are considered a serious pest because: The males form swarms above the ground

• Sciarid flies

  . Lycoriella species are mainly found in commercial mushroom cultivation where they can cause enormous damage. Sciarid flies are usually found in damp [...] adults prefer humid habitats and are attracted to a broad range of pathogenic and non-pathogenic micro-organisms for oviposition. Indirect damage is caused [...] invasion routes for various pathogenic fungi. Because the larvae move very little, plant death is generally local. Young plants that are kept humid and

• Flies

  sustainable growing conditions. Solutions for fly control Learn more about What are flies? There are several flies that are pests in agriculture, horticulture [...] The lesions caused by feeding larvae provide invasion routes for various pathogenic fungi, for instance Fusarium sp. And Botrytis sp. Adults can also spread [...] Biological control of flies Flies are a common pest problem in greenhouse and field crops, where they disturb plant growth, spread diseases and affect

• Caterpillars

  solutions for caterpillars, professional growers can protect their crops effectively and sustainably, ensuring consistent quality and yield. Solutions for caterpillar [...] caterpillar control Learn more about What are caterpillars? Caterpillars are the larvae of butterflies and moths. Butterflies and moths form the order L [...] more than 150,000 species, that are easily distinguishable from other insects. Many of the butterfly species that are active during the day can be strikingly

• Mealybugs and scales

  and promote sustainable production. Solutions for mealybug and scale control Learn more about What are mealybugs & scales? Mealybugs (family Pseudococcidae) [...] order Hemiptera (the true bugs ). Coccoidea are at first sight barely recognizable as insects. The females are wingless and immobile, and covered with a [...] ornamental value of the affected plants. Fruit and flowers are also fouled, rendering them unfit for sale, and the reduced level of photosynthesis in the leaves

• Potato/tomato psyllid

  causes the most harm, since the consequences are wide-ranging and there are no ‘solutions’ or ‘cures’ for the problems caused. Psyllids spread purple-top [...] tomatoes, both of which are very harmful to the affected crops. Lifecycle and appearance of the potato/tomato psyllid The eggs are egg-shaped with a bright [...] which initially affected potatoes and in recent years has become a problem for other Solanaceae crops such as tomatoes, peppers, aubergines, and tobacco

• Shallot aphid

  early spring when temperatures are still low. Winged forms are produced and migrate to other crops until June. Recommended for you Chrysoperla carnea Effective [...] stunted when growth starts in spring. Petioles are shortened and leaves curled and twisted. Blossom trusses are also affected, fruits remain small and yield [...] Wingless females of the shallot aphid are 1.1-2.2 mm long and shiny brownish green to dirty yellow. Their legs and antennae are pale, apart from the ends of the

• Tomato

  monitoring and scouting for plant pests in agriculture and horticulture. Rollertraps are used in case large numbers of whiteflies and thrips are present. These [...] but bumblebees are the perfect fit for effective pollination of the crop. Adequate pollination ensures that the ovaries in the flowers are fertilized with [...] scouting in tomato crops Scouting and monitoring are fundamental practices in integrated pest management (IPM) for tomato growers. These proactive approaches