Present experiment was scheduled to examine the harmful effects of sucking insect -pests i.e., citrus aphid (Toxoptera citridus), citrus psylla ( Diaphorina citri ) and thrips ( Scirtothrips citri) on different fruit related attributes of Fairchild. A significant decline in total soluble solids, fruit weight and acidity was observed while an increase in juice pH was recorded in response to elevation in infestation by t arget sucking insect - pests. A strong correlation was also established between pest infestation (insect -pest population) and fruit weight, total soluble solids and titratable acidity. Over all it was concluded that insect -pest infestation may deteriorate fr uit quality of Fairchild and is therefore it is important to control insect pest infestation to increase fruit quality especially fruit weigh and juice contents of Fairchild which may be helpful to increase the orchard production and net return from the crop. Key Words: Citrus, Fairchild, insect-pests, infestation, quality Introduction As compare to all fruits in the world, citrus have striking position in production (Yadav, 2007). The top countries in production and processing of
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