The family Coccidae Fallén, 1814, which is named soft scale insect, is recognized from Laos as twenty-two species including nine new records: Ceroplastes cirripediformis (Comstock, 1881), C. stellifer (Westwood, 1871), Coccus formicarii (Green, 1896), C. gymnospori (Green, 1908), C. hesperidum Linnaeus, 1758, C. latioperculatum (Green, 1922), Drepanococcus cajani (Maskell, 1891), Saissetia miranda (Cockerell & Parrott in Cockerell, 1899), and S. oleae (Olivier, 1791). A key to the Lao species of Coccidae is provided with diagnoses, photographs and host information for each species.

• Jinyeong Choi(Laboratory of Insect Biosystematics, Department of Agricultural Biotechnology, Seoul National University Research Institute of Agriculture and Life Sciences, Seoul National University)
• Seunghwan Lee(Laboratory of Insect Biosystematics, Department of Agricultural Biotechnology, Seoul National University Research Institute of Agriculture and Life Sciences, Seoul National University)