仔细找一找 除了蚂蚁外画面上 还有别的昆虫吗？
Acron + 3 segments 1. Madibular 2. Maxillary 3. Labial Intercalary absent DuPorte, 1963
Acron + 4 segments 1. Intercalary 2. Mandibular 3. Maxillary 4. Labial Labrum and antenna not appendiculate, part of acron Snodgrass, 1960