Two-spotted spider mite

doing severe damage, due to their great reproductive capacity. There are more than 1200 species worldwide and many of them are major crop pests. The two-spotted [...] dark green, red, brown, or almost black. Males are smaller and more active than the females, with a body that is narrower and more pointed at the rear. Colour

Bacterial canker of tomato

whitish ooze with bacteria in the case of C lavibacter infection, but other than that the disease is difficult to distinguish from wilting caused by other

Spotted Wing Drosophila

small, 2-3 mm in lengthg, and have a wingspan of 6-8 mm. Males are smaller than females. They can be easily distinguished from males of other Drosophila

Chrysoperla carnea

body contents, which are then sucked out. The prey can sometimes be larger than the larva itself. On average a larva will consume 300-400 aphids of various [...] are held tent-like above the abdomen. The hind-wings are slightly smaller than the fore-wings.

Trianum effectively controls Pythium in cucumber

ticking over. Those sorts of conditions have a bigger impact on the beneficials than on the thrips, which means I need to be alert. The same goes for caterpillars [...] levels above 180 micromol. But the variety has a slightly weaker root base than other varieties. ‘This is another reason why I’ll continue to use Trianum

Powdery mildew

is negligible, since spores explode when in contact with water for no more than a few hours. Powdery mildew spores, either ascospores or conidia, don’t need

Impatiens thrips

the upper- and undersides of the leaf. Pupation occurs on the leaf rather than on the ground. The prepupae and pupae remain immobile on the leaf tissue

Aphidius colemani

the aphid with her ovipositor and deposits an egg. All this happens in less than half a second. Apart from the parasitization itself, the disturbance of the [...] male wasp has slightly longer antennae, a rounded abdomen that is shorter than the wings, and is black with dark brown legs. A female has a more pointed

Red palm weevil

the Mediterranean area are about 30 mm long, with females 10 to 15% larger than males. This makes them the largest weevil of Europe and North Africa. Their

Beetles

easily recognizable on account of their hard wing covers (elytra). With more than 350,000 known species, Coleoptera is the largest of all insect orders and