International Science Community Association International Research Journal of Biological Sciences 14 3 2025 08 10 First Report of Invasive Alien Species of Slug Laevicaulisharoldi in Nepalgunj Sub-Metropolitan City, Banke, Nepal 26 29 EN Mali Pinky J 1 Biology Department, B.K.M. Science College, Valsad, Gujarat, India and Biosciences Department, Veer Narmad South Gujarat University, Surat, Gujarat, India Patel Kalpesh 2 Biology Department, B.K.M. Science College, Valsad, Gujarat, India Nichat Avinash R. 1 Department of Zoology, M.M.V. P.G. College Bhakhara, Dhamtari, Chhattisgarh, India Nayak Jashavant 2 Department of Zoology, Govt. Dudhadhari Bajrang Girls Postgraduate College Raipur, Chhattisgarh, India Sori Premlal 3 Department of Botany, Govt. Mahaprabhu Vallabhacharya Postgraduate College Mahasamund, Chhattisgarh, India Warte Hitesh Kumar 4 Department of Zoology, Govt. Pt. Shyam Shankar Mishra College Deobhog, Gariyaband, Chhattisgarh, India Khiham J. 1 Department of Zoology, Dera Natung Government College, Itanagar, Arunachal Pradesh-791113, India Nanda P. 2 Department of Zoology, Dera Natung Government College, Itanagar, Arunachal Pradesh-791113, India Longkho K. 3 Department of Zoology, Dera Natung Government College, Itanagar, Arunachal Pradesh-791113, India Bo K. 4 Department of Zoology, Dera Natung Government College, Itanagar, Arunachal Pradesh-791113, India Chaudhariq Bhesh Raj 1 Department of Zoology, Mahendra Multiple Campus, Nepalgunj, Nepal Institute of Science and Technology, Tribhuvan University, Nepal > Research Paper 2025 5 7 2025 08 10 Laevicaulis haroldi Dundee, 1980 has been documented for the first time in Nepal in October 2023. It is a native species to KwaZulu-Natal, South Africa. This invasive alien species was observed in the author’s back yard kitchen garden, and garden of Mahendra Multiple Campus Nepalgunj sub-metropolitan city of Banke district, Lumbini Province, during farm work. The animal was closely inspected for 12 months and total 34 specimens, measuring an average of 4 ± 1.5 cm, were collected and confirmed as Laevicaulis haroldi, which is commonly known as Purcell’s hunter slug or Caterpillar slug. The species is a new fauna to Nepal and the present status of this invasive species is unknown in the country. Copyright@ International Science Community Association