• Shore fly

  General Shore flies ( Scatella tenuicosta ) occur very commonly, often in the vicinity of water. They feed on algae. Other shore fly species have diverse [...] larvae of most species feed on rotting material. Shore flies are commonly found in greenhouses. Damage symptoms Shore flies ( Scatella tenuicosta) do not [...] plants directly, as they feed on green algae. However, they can transmit plant diseases and can be a nuisance to greenhouse works by their sheer numbers

• Southern European marshland pyralid

  European marshland pyralid or European pepper moth (Duponchelia fovealis) is a polyphagous species feeding on a wide range of hosts from 38 plant families. They [...] such as roses and gerbera, aquatic plants, vegetable crops such as celery, pepper and lettuce, and weeds. The secretive habit of the caterpillars of this [...] makes them very difficult to control with synthetic pesticides. Damage symptoms The caterpillars often stay in the lower strata of the crop, sometimes attacking

• Potato aphid

  The potato aphid ( Macrosiphum euphorbiae ) is of North American origin, but is these days distributed throughout the world. It is a highly polyphagous [...] species with a preference for Solanaceae (particularly potato), but has also been identified on more than 200 plant species from more than 20 families. Various [...] Various vegetable and ornamental crops grown in greenhouses are colonized, including tomato, aubergine and roses. Damage symptoms Nymphs and adults extract

• Tomato looper

  twin-spot moth or tomato looper ( Chrysodeixis chalcites ) belongs to the family of Noctuidae . It is a tropical and subtropical species originating in the Me [...] and northern Africa. The larva is highly polyphagous and feeds on plants of over 20 families, among them crops such as cauliflower, corn, crucifer, soybean [...] geranium. An annual migrant from southern Europe, the golden twin-spot moth ( Chrysodeixis chalcites ) spreads to several northerly countries and is now one

• Red palm weevil

  weevil ( Rhynchophorus ferrugineus ), also known as palm weevil, Asian palm weevil or Sago Palm Weevil originates from tropical Asia, but has spread to Africa [...] n since the 1980s. Damage symptoms It is very difficult to recognize the first signs of red palm weevil ( Rhynchophorus ferrugineus ) presence and only [...] later stages of attack are conspicuous. However, the damage done before these later stages when detection becomes easier, can suffice for palms to die. Females

• Cotton aphid

  General The cotton aphid ( Aphis gossypii ) is an extremely polyphagous aphid found on more than 700 plant species. Crop plants attacked by this aphid include [...] plants such as chrysanthemum and kalanchoe. The cotton aphid ( Aphis gossypii ) is distributed throughout the world but prefers the warmer regions. It has been [...] been a pest in European greenhouses since the late 1980’s, particularly affecting cucumber. Damage symptoms The cotton aphid ( Aphis gossypii ) is an important

• Tobacco aphid

  tobacco aphid ( Myzus persicae subsp. nicotianae ) probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco crops in both the [...] America. The tobacco aphid ( Myzus persicae subsp. nicotianae ) is also encountered in a range of crops in greenhouses, such as sweet pepper, aubergine, [...] balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season

• Glasshouse potato aphid

  glasshouse potato aphid ( Aulacorthum solani) is a native European species of aphids , seriously affecting crops of sweet pepper in particular. These aphids [...] aphids further affect ornamental crops, such as begonia, as well as potato, lettuce, beans, aubergine and sometimes tomato. Damage symptoms When the glasshouse [...] solani) pierces the leaves or the fruit of sweet pepper it secretes a toxic substance, which leads to deformations in the growing tip of the plant. Precisely

• Tobacco whitefly

  whitefly ( Bemisia tabaci ) belongs to the family Aleyrodidae , and the sub-family Aleyrodinae . This insect was first identified on tobacco in Greece in 1889 [...] tabaci . It has subsequently been found in most tropical and subtropical countries of the world. The original habitat was probably a tropical or subtropical [...] whitefly ( Bemisia tabaci ) has an enormous host range and has affected an extremely wide range of crops throughout the world. It causes damage in (sub-)tropical

• Sciarid flies

  family of Sciaridae. The species that cause most damage to crops belong to the genera Bradysia and Lycoriella . Lycoriella species are mainly found in commercial [...] usually found in damp, humid environments, and appear very commonly in greenhouses throughout the world. Although they generally do little harm to healthy plants [...] particularly problematic in cuttings and other young growing plant material. Damage symptoms The larvae of sciarid flies feed mainly on organic remains and