Examups – Boost Your Exam Potential
Introduction žDistribution and status: Pakistan, India, Sri Lanka, Bangladesh, Myanmar, Indonesia, New Guinea and Fiji. More abundant in South India than North India. žHost range: Oligophagus, cotton, bhendi, hibiscus, holly
•Host plant : cotton, cabbage, cauliflower, potato, tobacco, tomato, cucumber etc. •Damage is done by adult & nymph. Symptoms of damage •Small white silvery patches are seen all over
Rose Aphid •Infesting rose from Nov – April in N-India. •Cotton aphid: Aphis gossypii Glover, Green peach aphid: Myzus persicae Identification – non-winged rose aphid elongated body 2.5-2.6 mm. –
Symptoms of damage •Grub tunnels in the sapwood on the trunk or branches •Grub bore into the sap wood and macking irregular tunnels. •Feeding the vascular tissues •interruption of
•Distribution : india, Pakistn, Myanmer, malaysia, china, formosa, japan, east africa, australia & the hawaiian island. •Host plant : musk melon and other cucurbits & also found tomato, chillis, guava,
•Distribution and Status : India, Pakistan, South-East Asia, Malaysia, Indonesia, Formosa, Philippines, Australia, China, Hawaii Islands, China and Taiwan. •Host range : Mango, guava, peach, apricot, cherry, pear, ber, citrus,
•Distribution and Status: America, India, Pakistan, Vietnam, Japan, Sri Lanka, Philippines, Indonesia and China •Host range: Citrus, certain deciduous plants and families of rutaceae. Symptoms of damage • Both nymphs
•Desterbution : India, Malaysia, Indonesia, and Formosa. •No alternative host plant Symptoms of damage •Nymphs and adults suck the sap of inflorescence •Withering •Shedding of flower buds and flowers
•Distribution : Africa, Japan •Hoat plant : citrus & Various other species of the family rutaceae. Identification •Egg : pale or greenish yellow when freshly laid, but later turn brown,
•Distribution and status: World wide •It is polyphagous pest •it is serious pest chickpea, pigeonpea, pea mungbean, urdbean, lentil, soybean, & cowpea •also been found damaging cotton, sorghum,