Life cycle of black vine weevil

Biological control of black vine weevil - Heterorhabditis bacteriophora

Aphidius ervi

Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation. Best conditions for use of Aphidius [...] wasp Aphidius ervi Aphidius ervi is a parasitic wasp species that plays a significant role in biological control of aphids . The natural enemy Aphidius [...] themselves. Life cycle and appearance of Aphidius ervi Aphidius ervi is a very dark aphid parasitoid. The waist is entirely black, without striping. As it can develop

Cotton aphid

Life cycle and appearance of Cotton aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. [...] quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds [...] yellow to light green, or even a green-black colour . This body colour depends on temperature, food source and the density of the population. Large individuals

Cotton bollworm

mm in length and have a wingspan of about 40 mm. The grey-green males are smaller. The forewings are edged with a line of black spots, and the hindwings [...] flattened base and a diameter of about 0.5 mm. They are at first a shiny yellowish white, with their colour changing to brown just before the larvae emerge [...] armigera ) occurs in the tropics and sub-tropics of all continents except for North America. Larvae of the cotton bollworm ( Helicoverpa armigera ) are

Tobacco aphid

individuals have a brown-black head and thorax and a reddish abdomen. There is a dark brown spot on the abdomen and several transverse black bands across the [...] Life cycle and appearance of Tobacco aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour [...] quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds

Oleander aphid

the origin of its principal host plant, oleander. Damage symptoms The colonies of bright yellow aphids can easily be seen on the shoots of the host plants [...] yellow and black with dark wing veins while the wingless forms (apterae) are yellow with black cornicles, antennae, legs, and cauda (tip of abdomen). Nymphs [...] oleander aphid, Aphis nerii , sometimes also called the milkweed aphid, is a common pest of several important ornamental plants in the families Apocynaceae and

Tomato leafminer

greenish with a black band behind the head. The prepupae of the tomato leaf miner ( Tuta absoluta ) are lighter than the feeding larvae and have a typical pink [...] fruit. Pupation takes place in the soil or on the surface of a leaf, in a curled leaf or in a mine. If they leave the mines they build silk cocoons on the [...] The tomato leaf miner (Tuta absoluta), a major pest of field- and greenhouse-grown tomatoes, belongs to the family of Gelechiidae . It is oligophagous, feeding

Tea mosquito bug

the plant tissues at the time of feeding causes reddish brown patches. As a result punctured snot to dry and die, curling of leaves, badly deformed and [...] is slender 6 - 8mm long, black colour with red thorax, black and white abdomen and greenish brown wings. Females is capable of laying about 500 eggs. The [...] Helopeltis is a sucking pest. Nymphs and adults are damaging stages which suck the sap from young leaves, tender stems and buds. The toxic saliva of the insect

Green peach aphid

malformations of the growing tips. Life cycle and appearance of green peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults [...] glossy. Winged individuals have a brown-black head and thorax and a yellow-green to green or even reddish abdomen. They have a dark brown spot on the abdomen [...] native, however it is now a pest with a world-wide distribution. The green peach aphid ( Myzus persicae subsp. persicae ) is a particularly polyphagous