Stratiolaelaps scimitus (Hypoaspis miles)

predatory mite Stratiolaelaps scimitus is also known under the scientific name Hypoaspis miles . It is a soil-dwelling predatory mite occurring naturally [...] predatory mite controls larvae of sciarid flies (fungus gnats), thrips pupae and other soil-dwelling insects. The mites appear in and on the soil and at the base [...] gnats) The predatory mites feed on larvae of sciarid flies, thrips pupae and other soil-dwelling insects. The mites appear in and on the soil and at the base

Obscure mealybug

body size) and the two tail filaments are always markedly longer than the others. The obscure mealy bug ( Pseudococcus viburni ) is sometimes encountered [...] of the plant, some species extract their nourishment from roots, whilst others are gall-formers. A few species can also transmit harmful viruses. Mealybugs [...] damage. Life cycle and appearance of Obscure mealybug Mealybugs get their name from the fact that the body of the females from the third nymphal instar

Wheat bunt

and release black, powdery spores, that smell like fish, hence the common name stinking bunt. Life cycle and appearance of Wheat bunt Tilletia tritici and [...] The filiform basidiospores fuse in the middle with a basidiospore of the other mating type so that H-shaped structures are formed. These can germinate directly

Dwarf bunt

and release black, powdery spores, that smell like fish, hence the common name stinking bunt. Additionally, plants only reach a fraction of their normal [...] The filiform basidiospores fuse in the middle with a basidiospore of the other mating type so that H-shaped structures are formed. These can germinate directly

Cutworms

thereby often cutting the stems of young plants. This is where their common name comes from. Cutworms are vey polyphagous and have a wide host range. Damage [...] of partial cutting. A larva often cuts one plant and quickly moves on to other plants and continues cutting. Therefore, relatively small populations of

Oak processionary moth

major pest of oak in many European countries. The common and scientific names of this moth refer to the behaviour of the larvae to form long processions [...] poisonous hairs, which can result in severe allergic reactions, amongst other health problems (see above). Life cycle and appearance of Oak processionary

Damping-off

growth. Seedlings start falling over, also called ‘damping-off’, hence the name damping-off disease. In slightly older plants, the leaves lose their turgor [...] the roots through small wounds, where the side roots are formed or through other similarly damaged spots. On the infected plant, new sporangia with zoospores

Caterpillars

group with more than 150,000 species, that are easily distinguishable from other insects. Many of the butterfly species that are active during the day can [...] that damage greenhouse crops is the leafroller family, the Tortricidae. The name ‘leafroller’ refers to the fact that the caterpillars often live in rolled-up

Diamond back moth

migratory and wind-borne adults can travel long distances to invade crops in other regions. Damage symptoms The caterpillar is a surface feeder. They feed from [...] constricted to form one or more light-coloured diamonds, thus the common name diamond back moth. The moths are weak fliers and can disperse, on average

Capirel

flies ( Lycoriella spp., Bradysia spp.); Onion fly larvae ( Delia antiqua ); Bean seed fly ( Delia platura ); Carrot fly ( Psila rosae ); Thrips (Thysanoptera) [...] us spp; South American fruit tree weevil ( Naupactus xanthographus) and other weevil larvae; Common asparagus beetle ( Crioceris asparagi ) Caterpillars