64 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 120 
Ficures 8-14.—The acutovulvata species-group. Male genitalia, ventral view: 8, Chapinia 
clayae, new species, holotype; 9, C. acutovulvata (Piaget); 12, C. malayensis, new species, 
holotype; 13, C. hoplai, new species, holotype; 14, C. boonsongi, new species, holotype. 
Male terminal abdominal segments, dorsal-ventral view: 10, C. acutovulvata (Piaget); 
11, C. boonsongi, new species, holotype. 
