lace bug
Refers to any insect of the family Tingidae. The name comes from the resemblance of its wings to a sumo referee's fan (軍配).
Lace bugs often cluster on the undersides of leaves.
This lace bug is known as a pest of azaleas.
Katakana spelling is common for this insect name; usually written in kana.
Kanji spelling exists but is rarely used; the insect is normally written in kana.
From 軍配 (ぐんばい, 'sumo referee's fan') + 虫 (むし, 'insect'), referring to the wing shape.