Edible ants in Vietnam: Identification and indigenous knowledge Author Pham, Duy Long 0000-0002-2345-2398 Forest Protection Research Centre, Vietnamese Academy of Forest Sciences, Hanoi 11910, Vietnam; https: // orcid. org / 0000 - 0002 - 0810 - 474 X; https: // orcid. org / 0000 - 0002 - 2345 - 2398 Author Bao, Hoang Quoc 0000-0001-9501-4787 People's Committee of Bao Yen District, Lao Cai 31900, Vietnam; https: // orcid. org / 0000 - 0001 - 9501 - 4787 Author Nguyen, Dai Dac 0009-0006-8024-2553 Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, Hanoi 113000, Vietnam; https: // orcid. org / 0009 - 0006 - 8024 - 2553 & Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi 113000, Vietnam. Author Trong, Ly Van 0009-0009-6483-0592 Thai Nguyen University of Agriculture and Forestry, Thai Nguyen 24119, Vietnam; https: // orcid. org / 0009 - 0009 - 6483 - 0592 Author Tra, Tran Thi Le 0000-0003-2521-7532 Tay Nguyen University, Dak Lak 63000, Vietnam; https: // orcid. org / 0000 - 0003 - 2521 - 7532 Author Phuc, Kieu Thanh 0009-0001-7263-8674 Lao Cai Department of Science and Technology, Lao Cai 31010, Vietnam; https: // orcid. org / 0009 - 0001 - 7263 - 8674; https: // orcid. org / 0009 - 0000 - 2490 - 9612 * Corresponding author: nguyenminhchi @ vafs. gov. vn Author Thu, Nguyen Thi Minh 0009-0001-7263-8674 Lao Cai Department of Science and Technology, Lao Cai 31010, Vietnam; https: // orcid. org / 0009 - 0001 - 7263 - 8674; https: // orcid. org / 0009 - 0000 - 2490 - 9612 * Corresponding author: nguyenminhchi @ vafs. gov. vn Author Chi, Nguyen Minh 0000-0002-2345-2398 Forest Protection Research Centre, Vietnamese Academy of Forest Sciences, Hanoi 11910, Vietnam; https: // orcid. org / 0000 - 0002 - 0810 - 474 X; https: // orcid. org / 0000 - 0002 - 2345 - 2398 nguyenminhchi@vafs.gov.vn text Ecologica Montenegrina 2024 2024-05-28 73 208 220 http://dx.doi.org/10.37828/em.2024.73.19 journal article 10.37828/em.2024.73.19 2336-9744 13247539 Crematogaster rogenhoferi (Mayr, 1879) HL: 1.087 –1.149 mm ; HDW : 1.237 –1.325 mm ; FW: 0.433–0.49 mm ; SCL : 0.774 –0.833 mm ; EL: 0.22– 0.258 mm ; IPPL : 0.566 –0.601 mm ; PEL : 0.371 –0.419 mm ; PEH: 0.262–0.27 mm ; PNW : 0.632 –0.731 mm ; PPL : 0.237 –0.287 mm ; PPH : 0.281 –0.297 mm ; PEW : 0.445 –0.502 mm ; PPW : 0.345 –0.394 mm (n = 30, Fig. 1 ) . Body yellow brown. Head large, broader posteriorly, with rounded sides and posterior corners, strongly convex above. Eyes medium sized, convex, broadly elliptical. Mandibles robust and large in proportion to head, triangular. Clypeus in lateral view prominent and convex. Antenna, 11 segments. Thorax elongate, narrow; pronotum longer than wide; mesonotum subcylindrical. Petiole slender, 1.2 times longer than wide, subcylindrical. Gaster short, broadly elliptical. Legs very long and slender.