Outdoor vegetables

Pink Bollworm

will be completed in 25 to 31 days under optimal conditions. In cool dry conditions, larvae may undergo diapause in small cocoon in partially opened bolls [...] discolouration, and destruction of seed. Premature drop off infested bud and immature bolls. Premature opened bolls attract saprophytic fungi to grow in it. Life [...] 200-400 in singly or in small groups. Young larva enters the buds or flowers or squares after emergence where they feed internally within the pod and making

Crane flies

emerge from the soil in late summer to fall, and females mate and lay 200-300 eggs. Larvae emerge within one week and then feed on roots and crowns of grasses [...] Larvae overwinter in the soil, usually in the third instar stage. and start feeding again in spring. They become active again and feed voraciously when [...] called leatherjackets, live in the soil and feed on roots and shoots (which they pull into the ground of mainly grasses and cereal crops. The adults do

Rose aphid

cycle and appearance of Rose aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses [...] is dark in colour. The siphunculi are black and bent outwards. The rose aphid usually overwinters on rose bushes in the egg stage, although in mild winter [...] Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage symptoms Infestations

Western flower thrips

vegetable and ornamental crops in greenhouses, and on various weeds. It is an especially significant pest in cucumber, sweet pepper, eggplants, and many ornamental [...] ) usually pupate in the ground, although pupae can also be found on leaves, in flowers or in other sheltered places. The prepupal and pupal instars can [...] wing buds and longer antennae that are curved back over the head. The prepupal and pupal instars do not feed and only move if disturbed. In the adults

Aphids

also mate in the autumn and lay eggs which overwinter. Where mating occurs and eggs are laid, the life cycle is termed holocyclic (complete). In greenhouses [...] Aphids are among the most harmful pests in greenhouse and field crops, causing plant stress, virus transmission and yield loss. Effective aphid control is [...] damage in cultivated crops. The most significant aphids that occur in greenhouses are: Myzus persicae subsp. persicae ( green peach aphid ) and Myzus persicae

Onion thrips

tabaci) usually pupate in the ground, although pupae can also be found on leaves, in flowers or in other sheltered places. The prepupal and pupal instars can [...] throughout the world. It is found outdoors on many plants and particularly damaging on onions, leek, and in greenhouses on cucurbits, tomato, sweet pepper, eggplant [...] Life cycle and appearance of Onion thrips Onion thrips (Thrips tabaci) develops in six stages: egg, two larval instars, prepupa, pupa, and finally the

Tea mosquito bug

The life cycle is completed in 15 to 20 days in summer and 45 to 60 days in winter. It has several generations per year and in extreme winter the adults [...] serious pest in tea growing areas. Helopeltis antonii attack cashew nut guava, neem and tea. Damage symptoms Helopeltis is a sucking pest. Nymphs and adults [...] punctured snot to dry and die, curling of leaves, badly deformed and eventually fall off. The infested shoot also shows same such spots and subsequently drying

Arable crops

Fruits