• Citripar

  adjusted to the particular situation. Start introduction preventively or as soon as the first signs of infestation appear. Introduction rates typically range [...] effective control of the mealybugs . Storage time after receipt Apply as soon as possible after receipt. If necessary, the product can be stored for 1-2

• House fly

  including viruses (such as the Newcastle Disease virus), bacteria (such as Salmonella and E. coli ), protozoan parasites (such as Giardia ), and the eggs [...] colour from yellow to red, to brown, to black as the pupa ages. New adult flies will emerge as early as two days after pupation (at temperatures above [...] worldwide long ago as a commensal organism to human populations; the housefly is always found in association with human activity. As the most common species

• Downy mildew of Cucurbits

  fungi but Oomycetes and related to Pythium and Phytophthora. They survive as oospores. From these oospores or surviving mycelium sporangia are formed,

• Southern European marshland pyralid

  families. They include ornamental crop plants, such as roses and gerbera, aquatic plants, vegetable crops such as celery, pepper and lettuce, and weeds. The secretive [...] the lower strata of the crop, sometimes attacking the stem of the plant as well as the leaves. Late instar larvae burrow into soft woody or herbaceous plant [...] decaying organic material on the ground or substrate. They feed on detritus as well as life materials. Young larvae feed on the leaves and flowers before they

• Two-spotted spider mite

  turn yellow, and as more cell sap is removed, the leaf, and eventually the whole plant, may die. In tomatoes and cucumbers, as little as 30% damage of the [...] of leaves as small yellow dots. The destruction of cells results in reduced photosynthesis, increased transpiration and reduced plant growth. As damage increases [...] introducing biological control agents such as predatory mites can be an effective preventative measure, as these natural enemies can help keep spider mite

• Spider mites and other mites

  Russet mites are also known for causing bronzing on the leaves, as well as other symptoms such as leaf curling, wilting, and necrosis. Life cycle of mites The [...] distinct type of damage known as "bronzing", which can be confused with damage caused by plant viruses. This appears as a bronze or reddish-brown discoloration [...] favorable conditions, with some species completing their life cycle in as little as one to two weeks. This rapid development contributes to their ability

• Stable fly

  leg is as low as two. When populations are very large (> 25 flies/leg), the insects will begin to cluster on the animals’ undersides and flanks as well. [...] amounts of decaying organic matter, such as compost piles, hay bales, spilled feed and near the edge of silage pits. As with all flies, development throughout [...] belong to the genus Stomoxys , Latin for “sharp mouth”; a fitting moniker, as these flies are the only members of the Muscidae family that feed on mammalian

• Crazy roots, hairy roots, crown gall

  assigned to the genus Rhizobium . These pathogenic bacteria were formerly known as Agrobacterium tumefaciens or Agrobacterium radiobacter, Agrobacterium vitis

• Cannabis aphid

  been unconfirmed reports of Phorodon humuli developing on cannabis plants, as well. Damage symptoms The cannabis aphid is a sap sucker, like all aphids [...] infested with Phorodon cannabis : Excess sap is excreted on leaves and flowers as a sticky “honeydew” which promotes the growth of black fungal moulds. White [...] Early in the season, the aphids are nearly colourless to pale yellow, and as the days become shorter, they change to light green or brown with dark green

• Cyclamen mite

  The cyclamen mite ( Phytonemus pallidus ) is a harmful strawberry pest as well as a common pest found in cyclamen, gerbera and other ornamentals . Mites [...] other mite family. There are species that feed on fungi, algae, plants, as well as insect and mite predators and parasites. Those living on plants can cause [...] of the adult mite. They are oval in form, smooth, transparent and twice as long as they are wide. Both ends are equally rounded. The larvae are opaque white