Jiàndìng zhè zhǒng ézi kěyǐ kàn túnjiǎo de bānwén.
You can identify this moth by looking at the markings on its anal angle.
Tips
usage
Technical entomology term. 臀 ('rear, anal') describes the hindmost part of the wing and 角 ('corner, angle') names the point. Field guides use the anal angle's shape, colour and scaling as a key character for separating closely related species.
