noun
psyllid; jumping plant louse
Refers to any insect of the family Psyllidae, small sap-sucking insects that jump like fleas. Typically written in katakana in biological contexts.
キジラミは植物の汁を吸う小さな虫です。
Psyllids are small insects that suck plant sap.
庭の木にキジラミがたくさんついていた。
There were many psyllids on the tree in the garden.
Compound of 木 (ki, 'tree') and 虱 (shirami, 'louse'), literally 'tree louse'. The reading きじらみ is a rendaku form of き + しらみ.