A new species of Bipaliid land planarian, Bipalium bengalensis is described from Suri, West Bengal, India. The species is jet black in colour without any band or line but with a thin indistinct mid-dorsal groove. Semilunar head margin is pinkish in live condition with numerous eyes on its margin. Body length (BL) ranged from 19.00 to 45.00mm and width varied from 9.59 to 13.16% BL. Position of mouth and gonopore from anterior end ranged from 51.47 to 60.00% BL and 67.40 to 75.00 % BL respectively. Comparisons were made with its Indian as well as Bengal congeners.

中文翻译：

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修订印度双足动物的物种，并描述一种来自印度西孟加拉邦的孟加拉双足动物Bipalium bengalensis（Platyhelminthes：Tricladida：Terricola）

从印度西孟加拉邦的苏里（Suri）描述了一种新的双足动物陆平面涡虫，即Bipalium bengalensis。该种为黑色，没有任何带状或线状，但背背中部沟纹模糊。半月状头缘在活体情况下呈粉红色，其边缘上有许多眼睛。主体长度（BL）为19.00至45.00mm，宽度为9.59至13.16％BL。从前端到嘴和淋巴孔的位置分别为BL.47.6％至60.00％BL和67.40％至75.00％BL。对其印度和孟加拉同类产品进行了比较。