• Shallot aphid

  at the end of the storage period causing malformation of new plants. Life cycle and appearance of The shallot aphid Aphids have a complex life cycle, with [...] females of the shallot aphid are 1.1-2.2 mm long and shiny brownish green to dirty yellow. Their legs and antennae are pale, apart from the ends of the antennae [...] stage in the life cycle. No eggs are produced. Myzus ascalonicus is cold hardy and overwinters in sheltered places and greenhouses. Numbers of this aphid

• Hop

  stay in the ground. They emerge each year towards the end of Spring and are harvested near the end of Summer. Recommended for you Grower Koen - Embracing [...] currently the most acreage of production occurs. Although these plants have a very long life cycle, with the continued popularity of microbrews across the globe [...] The hop is a small genus of flowering plants in the family Cannabaceae. Hops are the female flowers (seed cones, strobiles) of the plant and are considered

• Sciarid flies

  humid and well-watered are particularly at risk. Life cycle and appearance of Sciarid flies The life cycle of sciarid flies has the following stages: egg, [...] their short life. The males are usually smaller than the females. They are not fast fliers, and prefer damp areas in dark places, with a lot of organic material [...] ground. Pupae are white, but later become yellow to brown. The posterior end of the pupa remains mobile. Recommended for you Stratiolaelaps scimitus (Hypoaspis

• Diamond back moth

  young seed pods, causing loss of pods and seeds. Life cycle and appearance of Diamond back moth The oval and flattened eggs of the diamond back moth (Plutella [...] cases of severe infestation, entire leaves may be destroyed, leaving only the veins. The larvae feed also on the chlorophyll-rich green areas of stems [...] They are deposited singly or in small groups of two or ten eggs on both the upper and lower surface of leaves, preferentially in depressions, and rarely

• House fly

  Salmonella and E. coli ), protozoan parasites (such as Giardia ), and the eggs of many parasitic worm species. Life cycle and appearance of House fly The [...] waste, carrion or feces, over the course of three to four days. Development time for all Musca domestica life stages is temperature-dependent, with maximum [...] later at low temperatures (around 15°C). Adult flies have an average life span of 15–25 days, but can live up to two months in the right conditions.

• European red mite

  d in all important apple growing areas of the world. Damage symptoms Feeding of European red mites on leaves of trees causes initially brown spots on the [...] heavy, leaves can drop. Life cycle and appearance of European red mite The European red mite feeds mainly on the undersides of leaves but moves to upper [...] Panonychus ulmi , is mainly a pest of fruit trees (apple, pear, plum and cherry). However, it can attack a large scale of other woody plants and is occasionally

• Cyclamen mite

  and young fruits become brown near the base. Life cycle and appearance of Cyclamen mite The life cycle of the cyclamen mite ( Phytonemus pallidus ) has [...] ornamentals . Mites belonging to the family of tarsonemids ( Tarsonemidae ) display a greater diversity of feeding habits than any other mite family. There [...] modified and used to transport pharate females. Eggs of the cyclamen mite are about half the size of the adult mite. They are oval in form, smooth, transparent

• Stratiolaelaps scimitus (Hypoaspis miles)

  soil and at the base of plant stems. The reduction of the infestation level occurs at a slow but steady rate. Feeding behaviour of Stratiolaelaps scimitus [...] adults prey mainly in the upper 1-2 cm of the soil. Adult females consume up to 4.5 thrips pupae per day. Life cycle of Stratiolaelaps scimitus Stratiolaelaps [...] predatory mite occurring naturally in several parts of the world. This predatory mite controls larvae of sciarid flies (fungus gnats), thrips pupae and other

• Southern European marshland pyralid

  forewing. The end of the remarkably long abdomen bends upward almost vertically, with the abdomen of males often being longer than that of females. Another [...] roses appear to tolerate larger numbers. Life cycle and appearance of Southern European marshland pyralid Adults of the European pepper moth ( Duponchelia [...] such as celery, pepper and lettuce, and weeds. The secretive habit of the caterpillars of this species makes them very difficult to control with synthetic

• Black vine weevil

  ornamental plants. Life cycle and appearance of Black vine weevil The life cycle of the black vine weevil consists of an egg, 6 or 7 larval instars, a pupal instar [...] within the stems of the plants. Both adult beetles and larvae are polyphagous and feed on a large number of plant species. High populations of larvae can destroy [...] they hide, and can often be found between the inside of a plant pot and its contents, under lumps of e, in vegetation and under planks etc . In temperate