• Sciarid flies

  (0.1 to 0.25 mm) and yellowish white in colour. They are laid on the ground surface close to plant roots. The larvae can grow to 5 to 12 mm in length and [...] and 0.5 to 1.5 mm in diameter. They are legless and have a conspicuous black head. The head is equipped with biting-chewing mouth parts. Pupation takes [...] material. The adults prefer humid habitats and are attracted to a broad range of pathogenic and non-pathogenic micro-organisms for oviposition. Indirect

• Thrips Identification Guide

  tics Behaviour and life cycle Damage Host plants Females 1.2 mm long, males 1 mm. Variable in colour, from yellow to dark brown. 8 antennal segments [...] chlorotic spot virus (TCSV). Broad range of host plants, both vegetable and ornamental plants. Females 0.8 -1.0 mm long. Males smaller and very rare. [...] greenhouses found on both ornamental and vegetable plants. Females 1.6 mm long, males 1.3 mm. Dark brown to black and armoured. End segments of legs yellow. Forewings

• Macrocheles robustulus

  eight-legged protonymph and deutonymph, and adult. Adult mites are 0.6-0.8 mm long, oval shaped and pale white with a brown oval dorsal shield and brown [...] more clearly visible with increasing size. The eggs are oval, about 0.3 x 0.2 mm in size and pearly white. Best conditions for use of Macrocheles robustulus [...] structure. The minimum temperature for successful use of Macrocheles robustulus is 15°C (59°F). How to use Macrocheles robustulus The predatory mite Macrocheles

• Anagyrus vladimiri

  dimorphism: the female is about 1.5-2 mm in length and brown, with distinctive black and white banded antennae. The male is 0.8 mm in length and black in colour [...] soon as te first signs of infestation appear. Introduction rates typically range from 0.1-0.5 per m 2 /release. Releases should be repeated at least 3 times [...] filaments on the lateral margins of the host. Oviposition generally lasts about 15-40 seconds. The larva of the parasitic wasp completely consumes the contents

• Diglyphus isaea

  pupa is green with red eyes subsequently turning black, and measuring about 1.5 mm. Adult stage: The appearance of the adult is already clearly visible. Pupae [...] as the first mines are visible in the crop. Introduction rates typically range from 0.25-3 per m 2 /release. Releases should be repeated at least 3 times [...] Diglyphus isaea Diglyphus isaea is most effective at temperatures between 15°C and 25°C (59 and 77°F). Behaviour of the parasitic wasp Diglyphus isaea

• Rhyzobug FAQ

  does Rhyzobius lophanthae look like? The adults are on average 2.5 mm long and 1.8 mm wide. They have a brown coloured abdomen covered by hairs. The head [...] stripe. Pupae are orange/pink in colour. Rhyzobius Cryptolaemus 2,5 mm 1,6x larger 4 mm What is the mode of action of Rhyzobius lophanthae? Both the adults [...] 30ºC. Eggs under armoured scale Larvae 4 larval stages Adult 2,5 mm long and 1,8 mm wide Pupae What is the fecundity of Rhyzobius lophanthae? On average

• Aphidius matricariae

  preventively soon after planting of the crop. Introduction rates typically range from 0.25-4 per m 2 /release. Releases should be repeated at least 3 times [...] matricariae The natural enemy Aphidius matricariae is most effective between 15 and 25°C (59 and 77°F). The effectivity is reduced at temperatures above 28°C/82°F [...] and water. Life cycle and appearance of Aphidius matricariae Adults are 3-4 mm golden brown wasps with long antennae. Characteristic for the distinction

• Aphelinus abdominalis

  preventively soon after planting of the crop. Introduction rates typically range from 0.25-4 per m 2 /release. Releases should be repeated a number of times [...] abdominalis The parasitic wasp Aphelinus abdominalis is effective between 15 and 35°C (59 and 95°F). Behaviour of the parasitic wasp Aphelinus abdominalis [...] appearance of Aphelinus abdominalis An adult Aphelinus abdominalis is 2.5 to 3 mm in length, with short legs and short antennae. Females have a black thorax

• Larvanem

  if finer than 0.3 mm (50 mesh) Use a maximum pressure of 20 bar/290 psi (on nozzle) The spray nozzle opening should be at least 0.5 mm (500 microns – 35 [...] for biological control of larvae of weevils and other beetles in a wide range of crops. Pests Beetles (Coleoptera): Weevils (Curculionidae): Black vine [...] bucket containing at least 2 litres of water per sachet (water temperature: 15-20°C/59-68°F Stir well and leave the contents to soak for five minutes Stir

• Transeius montdorensis

  of leaves. They are oval, white and have a diameter of approximately 0.14 mm. The larvae have six legs, are the same colour as the eggs, and are only slightly [...] translucent white colour and have a flat, elongated body. They are roughly 0.4 mm in length. Males are smaller than females. The mites are very mobile and actively [...] between 20 and 32°C (68 and 90°F). It is not effective at temperatures below 15°C/59°F. Transeius montdorensis is sensitive to relative humidity below 70%