Western flower thrips

flower thrips (Frankliniella occidentalis) are laid in leaves, flower petals and in the soft parts of stalks. They are inserted into the plant tissue with a [...] Larvae are nearly transparent white or yellowish to orange-yellow, with a large head and bright red eyes. Adult females are very variable in colour. They [...] (Frankliniella occidentalis) usually pupate in the ground, although pupae can also be found on leaves, in flowers or in other sheltered places. The prepupal and

Ten Facts About Thrips

Pollination checklist outdoor

Koppert's bumblebees ensure natural pollination in both indoor and outdoor crops. Good pollination in outdoor crops can be achieved by following the r [...] direct sunlight, particularly in warm periods. Provide the hive with sufficient shade, for example by positioning it in the shadow of the crop. Ensure [...] may be visited by bumblebees in addition to the target crop. You should therefore mow or cut down any flowering weeds in and around the area to be pollinated

Flowering potted plants

different plant species. Some of these species are usually grown indoors and are used as ornamental houseplants in countries with colder climates. Kalanchoe [...] About There are many species of flowering potted plants, the most common species are: Poinsettia is well known and popular for its large red, white and [...] Crassulaceae . Hibiscus is well known for its large, ornate flowers which are trumpet-shaped. These flowers have five or more petals and their colour varies

Garden chafer

green to shiny black. In Central Europe, they emerge from the soil in May or June. Low swarming flights just above the soil surface are very characteristic [...] conditions. Established crops are more resistant to damage than young plants or recently planted cuttings. The beetles are only active at night, taking [...] laying but in time become nearly spherical through water absorption. Chafer larvae (grubs) have brown heads and whitish bodies, and normally lie in a char

Shore fly

the adult fly. The eggs are laid singly and are bean-shaped. A first instar larva is translucent white. Second instar larvae are brownish, less translucent [...] the larvae of most species feed on rotting material. Shore flies are commonly found in greenhouses. Damage symptoms Shore flies ( Scatella tenuicosta) do [...] translucent and their body is cylindrical. The larvae are found in the top layer of damp soil, where they also pupate. The adult shore fly is black, about 4 to

Hemp russet mite

nymphal stages are sometimes also called larva (1st stage) and nymph (2nd stage). The eggs are approximately 0.05 mm in diameter and adults are around 0.2 [...] can cause stunting. When populations are large, the mites can also be found on the underside of leaves. This results in smaller leaf size and suppressed bud [...] russet mite All life stages of the hemp russet mite are extremely small and difficult to observe. They are elongated (torpedo-shaped), soft and segmented.

Asian citrus psyllid

eggs are light yellow when freshly deposited and bright orange with two distinct red eye spots at maturity. Eggs are anchored to plant tissue in an upright [...] citrus in several countries as it is a vector of a serious citrus disease called greening disease or Huanglongbing. It is widely distributed in southern [...] is responsible for the destruction of several citrus industries in Asia and Africa. In North America, it has spread through most of the southern states

Tobacco whitefly

insect was first identified on tobacco in Greece in 1889, hence the name tabaci . It has subsequently been found in most tropical and subtropical countries [...] retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development of fruit and lead to a reduction in yield. The [...] almost circular so called pupa, in which the red eyes and white wings of the adult are already clearly visible. These pupae are found on the oldest leaves.

Long-tailed mealybug

yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate intake of protein, mealybugs must [...] instars which are at first kept beneath the body in a network of fine waxy threads. Over two or three weeks, a female produces 100-200 nymphs. In the summer [...] getting rid of the excess sugars in the form of honeydew. Characteristically, dark sooty moulds ( Cladosporium spp .) are often found growing on this honeydew