背线天蛾属（学名：Cechenena）是天蛾科的一属，本属天蛾成虫的头部及肩板两侧有白色鳞毛；前翅从顶角到后缘中部有6条以上的斜线；腹部背面有几条纵背线。1997年出版的《中国动物志·昆虫纲（第十一卷）·鳞翅目·天蛾科》中记录了分布在中国的4种背线天蛾：条背天蛾（C. lineosa）、平背天蛾（C. minor）、点背天蛾（C. aegrota）和斑背天蛾（C. papuana）。
下属物种
- 点背天蛾 Cechenena aegrota Butler, 1875
- Cechenena helops Walker, 1856
- 条背天蛾 Cechenena lineosa Walker, 1856
- 平背天蛾 Cechenena minor Butler, 1875
- Cechenena mirabilis Butler, 1875
- 斑背天蛾 Cechenena papuana
- Cechenena pollux Boisduval, 1875
- Cechenena subangustata Rothschild, 1920
Cechenena aegrota MHNT CUT 2010 302 Taiping, Perak, Malaysia, male.jpg|Cechenena aegrota
Cechenena helops papuana MHNT CUT 2010 0 22 Wau New Guinea male.jpg|Cechenena helops
Cechenena lineosa MHNT CUT 2010 0 22 Ban Kheun Oudomxay Province Laos female.jpg|Cechenena lineosa
Cechenena minor MHNT CUT 2010 0 496 Bhimtal, Uttarakhand, India male.jpg|Cechenena minor
Cechenena pollux MHNT CUT 2010 0 153 Dairi (Diehl) Sumatra male.jpg|Cechenena pollux
Cechenena scotti MHNT CUT 2010 0 196 - Nepal Kathmando Valley - male.jpg|Cechenena scotti
Cechenena subangustata MHNT CUT 2010 0 292 Malaisie male.jpg|Cechenena subangustata
Cechenena transpacifica MHNT CUT 2010 0 302 Mindanao, Surigao, Philippines, male.jpg|Cechenena transpacifica
参考资料
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