Diamond back moth

may occur in the florets. Initially, the pupa is pinkish-white to pinkish-yellow and changes to brown before adult emergence. The adult of the diamond back [...] are like those of the males. The back is marked with a broad cream or light brown band along the back, which is sometimes constricted to form one or more [...] xylostella) is slender, greyish brown with pronounced antennae. The hindwings are narrow, pointed toward the apex. The tips of the wings appear to turn upward

Tomato looper

instead of the normal five and therefore the caterpillar moves with the same looping motion as an inchworm (geometrid). The cocoon is usually attached to the [...] Tomato looper General The golden twin-spot moth or tomato looper ( Chrysodeixis chalcites ) belongs to the family of Noctuidae . It is a tropical and subtropical [...] white marks on the forewing that sometimes overlap each other. The hindwings are brown. The body is brown and hairy and, when at rest, the hairy dorsal plume

Tobacco whitefly

cause to a crop is the result of sucking out the sap from the plant leaves and secreting honeydew. This can have the following consequences: If the population [...] influence the development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth [...] after emerging. The insect is covered with a white waxy substance. The adult of the tobacco whitefly ( Bemisia tabaci ) closely resembles the greenhouse whitefly

Cotton leafworm

caterpillars crawl to the ground and settle in the surface layers. The pupa is 15 to 20 mm long and reddish brown in colour. The forewings of the adult cotton [...] along the median vein. The ocellus is marked by two or three oblique whitish stripes. The front of the wingtip has a blackish marking, which is more pronounced [...] lower parts of the plant. The female covers the eggs with brownish-yellow hairs from her abdomen to make them less conspicuous and to protect them from d

Corn earworm

ears of corn. The larvae feed on the hairs of the young corn and on the young kernels at the tip of the cob. During the third instar, the larvae turn c [...] open the crop to detect the pest. Life cycle and appearance of the corn earworm The eggs of corn earworm are a milky-white colour, which turn dark grey before [...] winters. The pupae measure around 18 mm and have a slightly shiny brown colour. The adults have a brown-coloured body, with a wingspan of 35 to 40 mm and

Natutec biocontrol application devices

Natutec solution is specifically tailored to meet the unique needs of our customers in different growing environments. Natutec enables growers to: Use biological [...] and save up to 80% in labour costs with streamlined application methods. The right system for you Choosing the right system depends on the specific needs [...] empowering nature with technology! The Natutec product portfolio offers a broad range of application devices for the dispersal of beneficial organisms over

Asian citrus psyllid

psyllid General The Asian citrus psyllid, ( Diaphorina citri ), is an important pest of citrus in several countries as it is a vector of a serious citrus [...] it has spread through most of the southern states and Mexico however the state of Florida is the most affected area by the vectored disease. Life cycle [...] back new shoots or causing leaves to twist or notch as they mature. Worst damage is done when the insect is vector of the bacterium Candidatus Liberibacter

Tomato leaf miner

one hour the larva crawls out of the leaf and falls to the ground. This occurs in the early morning. The larva crawls into the ground to pupate. A small [...] of Tomato leaf miner The life cycle of a leaf miner has the following stages: egg, three larval instars, a pupal instar and the adult fly. Adult leaf [...] hatches from the egg, it begins to eat into the leaf at once, tunnelling down into the mesophyll tissue where damage is caused by extensive mines, leaving

Gummy stem blight

be recognized from the outside by the small narrowing of the tip of the mature fruits. The symptoms on stems, leaves and inside the fruits may occur together [...] higher up on the stem. On the lesions, golden-brown gummy drops occur, hence the name gummy stem blight. On the lesions, black specks, the new fruiting [...] ascospores are the main source of dispersal of disease upwards in the crop and the conidia for spread of the disease downwards. How to prevent Gummy stem blight

Cotton aphid

and kalanchoe. The cotton aphid ( Aphis gossypii ) is distributed throughout the world but prefers the warmer regions. It has been a pest in European [...] including the cucumber mosaic virus. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s [...] plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season, the death of young plants. Retarded growth