Woolly apple aphid

sticky masses of “wool” may contaminate leaves and fruits and can be a nuisance at harvest time. Life cycle and appearance of Woolly apple aphid In contrast [...] origin and has been distributed to other parts of the world mainly via infested apple rootstocks. It can occasionally also be found in pear, quince and a few [...] other aphids , the life cycle and survival from year to year of the woolly aphid depends entirely on wingless, parthenogenetic and viviparous forms. Sometimes

Apple rosy aphid

widespread in Europe and also occurs in Africa, North and South America, and Asia and can cause severe damage to both shoots and fruits. Damage symptoms [...] spurs and smaller branches, and on the base of buds of apple trees. The eggs hatch in spring and at first the aphids attack buds, spur leaves and rosette [...] to premature leaf fall and death of shoots. Fruits from infested trusses are small and malformed and ripen prematurely. Feeding of aphids directly on fruits

Oleander aphid

Apocynaceae and Asclepiadaceae. It is commonly found feeding on oleander and milkweeds ( Asclepias sp.). The oleander aphid is cosmopolitan, and can be found [...] Life cycle and appearance of Oleander aphid The oleander aphid is an obligate parthenogenetic species; thus the adult aphids are all female and males do [...] (alata) are yellow and black with dark wing veins while the wingless forms (apterae) are yellow with black cornicles, antennae, legs, and cauda (tip of abdomen)

False spider mites

protonymph, deutonymph and adult. They move slowly and are mostly found along the veins on the underside of leaves. The mites are flattened and egg-shaped when [...] the genera Brevipalpus and Tenuipalpus . The most common species are Tenuipalpus pacificus , which causes damage to orchids and Brevipalpus phoenicis [...] , Brevipalpus obovatus and Brevipalpus californicus which have an almost worldwide distribution and many host plants. Damage symptoms False spider mites

Thrips

effective and sustainable method for managing thrips in horticulture and agriculture. Predatory mites and predatory bugs Predatory mites and predatory [...] egg, two larval instars, a pre-pupa and a pupal instar, and finally the adult insect. The eggs are kidney-shaped and have a white or yellow shell. Before [...] more developed wing buds and longer antennae that are curved back over the head. The pre-pupal and pupal instars do not feed and only move if disturbed.

Whitefly

stages: the egg, first, second, third and fourth larval instars, and an adult insect. The eggs are elliptical and often deposited in circles. The young [...] larval development. In the second and third larval stages, both the legs and the antennae are reduced to one or two segments and are no longer visible. In the [...] vegetables, and ornamental plants. It is commonly found in warm climates, and can cause significant damage to crops by feeding on plant sap and transmitting

Tomato leafminer

including potato, eggplant, capsicum pepper and tobacco as well as weeds such as Datura stramonium, Lycium chilense , and Solanum nigrum. Damage symptoms The most [...] the leaves. Caterpillars prefer leaves and stems, but they may also occur underneath the crown of the fruit and even inside the fruit itself. On leaves [...] not build cocoons. Pupae have a greenish coloration at first, and then turn chestnut and dark brown shortly before adult emergence. Adult moths of the

Cactus mealybug

into a third instar, and then into the adult female without a complete metamorphosis. Third instar nymphs and adult females are oval and covered by wax. The [...] crowns, roots. and flowers. Depending on the host plant species, infestations with cactus mealybug cause discoloration of the plants and later necrosis [...] s can also occur. Heavily infested plants stop growing and will eventually die. Life cycle and appearance of Cactus mealybug Mealybugs get their name from

Mottled arum aphid

ms, Begonia and Fuchsia, and also sweet pepper. Damage symptoms Large colonies of mottled arum aphids can greatly reduce plant vigour and kill the plant [...] sis and also result in an unattractive plant with a much lower market value. Neomyzus circumflexus can also transmit plant viruses. Life cycle and appearance [...] mottled arum aphid, Neomyzus circumflexus , has a cosmopolitan distribution and a wide host range. In temperate climates it is primarily a pest in greenhouses

Chafers

the roots can lead to yellowing and wilting of plants. Damage can be severe on young plants and especially in grassland and turf. There, secondary damage [...] birds and small mammals digging for the grubs to eat them. Life cycle and appearance of Chafers Adult Amphimallon sostitialis are 14-18 mm long and yellowish [...] smaller; about 13-15 mm long and reddish-brown in colour. The adult beetles fly in the evening, generally in June and July and land on trees to mate. During