Description of four new species of the genus Ptilocerembia Friederichs, 1923 (Embioptera: Ptilocerembiidae) from Thailand Author Poolprasert, Pisit Author Edgerly, Janice S. text Zootaxa 2014 3852 3 359 372 journal article 10.11646/zootaxa.3852.3.5 db618e10-1e42-48a6-b08a-8618b844fd20 1175-5326 250841 D6781858-B9E0-4C78-A46D-971F59D56822 Family Ptilocerembiidae Miller and Edgerly, 2012 Genus Ptilocerembia Friederichs, 1923 Ptilocerembia Friederichs, 1923 : 24 ; 1934: 422; Davis, 1940a : 526 ; 1940b: 535; Ross, 1963 ; 123; Miller et al . 2012 : 561 . Diagnosis. Males of Ptilocerembia (family Ptilocerembiidae ) are readily distinguished from other embiopterans as follows: the antennae have long setae, the antennae are abruptly white distally, the anterior branch of the media (MA) is branched in the forewing and hindwing, the left tergal process (10LP) is short, the medial flap (MF) has a variable hook and the hind basitarsus has dense setae ventrally and only one papilla. Females are large, robust and variously pigmented. Distal antennal segments are commonly abruptly white and intersegmental areas of the thorax and abdomen are regularly pale in color. The hind basitarsus has one ventral papilla. Type species. Ptilocerembia roepkei Friederichs, 1923 : 24 , figs. 6–8. Distribution. Oriental region.