Caterpillars

them feed on nectar. In contrast, the caterpillars have biting and chewing mouthparts and can devour large amounts of plant tissue. Many species cause damage [...] caterpillars. Some species mine in leaves or bore holes into fruit or stems, making them difficult to detect and control. In addition to consumption of the [...] 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

Praon volucre

Aphidiinae . Praon volucre is one of the most abundant parasitoids of many aphid species in Europe. Praon volucre is used for the control of the following pests: [...] volucre products Aphiscout Expand all items How to use Praon volucre The parasitic wasp Praon volucre is available in a bottle ( Aphiscout ) Peel off the outer [...] Macrosiphum euphorbiae ) The parasitic wasp Praon volucre is available at Koppert in Aphiscout . Aphiscout consists of Aphidius colemani , Aphidius ervi , Aphelinus

Leaf miners

cosmetic damage. In (sub)tropical areas this can lead to burning in fruit such as tomato and melon. Loss of leaves also reduces yield. In full-grown plants [...] the leaves of plants, creating ‘mines’. There are many species of leaf miner affecting various crops in temperate parts of the world. Under natural conditions [...] The leaf miner species that cause damage in horticultural crops are mostly polyphagous; that is, they feed on many crops. However, this is not universal among

Plant Pollinator interactions in high temperatures

levels given in Watts. can be reduced if the humidity is too low or radiation is too high. Staying outside the gray and yellow areas in the table in figure [...] Thermal image of a tomato flower in the direct sunlight in April Photo: © Svensson Climate Screens more and more bees stay in the hive to ventilate it, reducing [...] These brown marks can be used to help determine how many hives must be ordered. A single visit results in the transfer of enough pollen for pollination.

How to Use Beneficial Nematodes in Outdoor Crops: A Step-by-Step Guide

Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

biodiversity in the centre, and public opinion is quite sensitive to spraying here. We worked in consultation with distributor Mertens and decided that in spring [...] There are many oak trees in the forests and plantations around Doetinchem. Marc van Rijswijk is the spokesman for Buha, the implementing organization for [...] management. Buha manages some 9000 solitary oak trees withing this municipality. In 2020 the level of infestation with the oak processionary caterpillar within

Shallot aphid

, lettuce, brassicas and potatoes and many ornamentals . The shallot aphid is cosmopolitan and widely spread in Europe. Damage symptoms Feeding of shallot [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] and there is no sexual stage in the life cycle. No eggs are produced. Myzus ascalonicus is cold hardy and overwinters in sheltered places and greenhouses

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How Trichoderma harzianum T-22 (Trianum) Controls Fusarium in Onion

Anthurium

lasting flowers that come in a variety of colours. However, the ‘flower’ is actually an altered leaf (also called spathe) with many flowers on the spadix. [...] anthuriums are recognized by its uniform colours and heart-shaped spathes. In many markets, red is the most popular colour. Other types include the obake [...] than the standard ones and their spathe has a more prolonged shape that comes in two or more colours.