Onion

an annual and harvested at the end of its first production season. Onions are popular and therefore cultivated and used for cooking all around the world

Cotton aphid

other aphids by the colour of the two cornicles (siphunculi). These cornicles are always black, whatever the body colour, which can vary widely, from light [...] and the density of the population. Large individuals (up to 1.8 mm long) are usually dark green to black, while aphids produced in overcrowded colonies

Miglyphus

by short mines that contain dead leaf miner larvae. Older larvae and pupae are visible through the leaf. Pack size 500 adults. Presentation 100 ml bottle [...] to the particular situation. Start introduction as soon as the first mines are visible in the crop. Introduction rates typically range from 0.25-3 per m

Horiver Drystick

Whitefly , Nesidiocoris tenuis White: Lygus spp. Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Pr [...] wires or sticks at max. 30 cm above the crop and adjust height when plants are growing Do not place traps in-between the plants as parasitic wasps will then

Thripor-L

the particular situation. Start introduction as soon as the first thrips are detected in the crop. Introduction rates typically range from 0.5-10 per m [...] your situation. Environmental conditions Optimal temperatures for Thripor-L are above 20°C (68°F), lower temperatures slow down the development of Orius

Green peach aphid

a great variety in colour. When reproduction is asexual, the young aphids are born as developed nymphs. They immediately start to feed on plant sap and [...] transverse black bands across the body. Nymphs that develop into winged adults are often pink or red in colour.

Encarsia formosa

vaporariorum ). The female wasp lays her eggs inside the whitefly nymphs, which are then consumed from the inside out by the developing larvae. The larvae feed [...] pupal instar, and the adult wasp. All these stages except the adult insect are found inside the host (i.e. larval and pupal whiteflies). The female can deposit [...] the parasitoid’s development, the host pupa turns black. Parasitized pupae are thus easily recog nized. However, this blackening can be delayed, in which

Aphidius colemani

which enables the wasps to track down and parasitize aphids , even when they are at low density. The behaviour of the female during egg-laying is typical of [...] species, and whether it has not been parasitized before. If both criteria are met, then the second phase of parasitization will start. The female stands [...] usually continue to feed and secrete honeydew. Second and third instar aphids are preferred, but all stages can be parasitized, including winged aphids. Parasitized

Consumers

simple: natural enemies such as predatory mites , ladybugs, and parasitic wasps are released to combat harmful insects, in the same way as they do in the wild [...] promotional materials. Please keep in mind that the brochures and leaflets are geared towards professional growers. Go to online store

Natupol Fly

with pollen. These pollen are not consumed by the flies but stick to their bodies. When a fly visits another flower the pollen are transferred to the pistils