FIGURE 1. Map of Vietnam showing the provinces where the current and previous surveys of black flies were carried out. Nos. 1–5 show the five provinces where the current surveys were conducted (1, Lao Cai; 2, Vinh Phuc; 3, Nghe An; 4, Thua Thien Hue; 5, Lam Dong), and nos. 6–11 show the provinces where Dr. X.D. Pham collected and recorded black flies (6, Lang Son; 7, Bac Kan (a part of formerly Bac Thai); 8, Bac Giang; 9, Yen Bai; 10, Ha Tay; 11, Hoa Binh).

Published as part of Takaoka, Hiroyuki, Sofian-Azirun, Mohd, Ya'Cob, Zubaidah, Chen, Chee Dhang, Lau, Koon Weng, Low, Van Lun, Pham, Xuan Da & Adler, Peter H., 2017, The black flies (Diptera: Simuliidae) of Vietnam, pp. 1-165 in Zootaxa 4261 (1) on page 8, DOI: 10.5281/zenodo.571608