INSECUTOR INSCITI^ MENSTRUUS 101 



length 0.222 mm., width (inckisive of coxae) 0.414 mm.; 

 pterothorax, width 0.452 mm. ; abdomen, greatest width 0.431 

 mm. ; tube, length 0.240 mm., width at base 0.084 mm., at apex 

 0.045 mm. 

 Antennal segments : 12 3 



Length ([i) 54 57 81 



Width (^i) 42 38 36 



Total length of antenna, 0.505 mm. 



Described from 11 females and 18 males taken on shoots of 

 Mimttsops clengi at Coimbatore, India, April 6, 1916, by T. V. 

 Ramakrishna Aiyar, Government Entomologist, after whom 

 the species is named. 



Liothrips ordinarius, new species. (PI. IV, figs. 3 and 4.) 



Female (macropterous). — Length about 2 mm. (1.9-2.2 

 mm.). Color black; fore tarsi and middle of inner surface of 

 fore tibia brownish yellow, middle and hind tarsi and articula- 

 tions of legs brown ; antennal segments 3-6 yellow, 3 sometimes 

 with a narrow brown band at basal third and generally with 

 another at extreme apex, 4 darker than 3 and clouded with 

 brown in at least the apical half, 5 and 6 concolorous with 4 

 and suffused with brown in apical third and two-fifths re- 

 respectively, 7 and 8 dark blackish brown, the former yellow 

 at base ; fore wings very light gray, with the scale and the 

 region of the three subbasal bristles dark brown, margins 

 more or less darkened. 



Head about as wide as long, broadest slightly behind eyes, 

 cheeks gently arched, slightly convergent posteriorly ; vertex 

 truncate, not produced, the anterior ocellus directed forward 

 and overhanging; dorsal and lateral surfaces transversely 

 striate with anastomosing lines and with a very few minute 

 bristles ; postocular bristles capitate, shorter than eyes. Eyes 

 nearly 0.4 as long as head, not protruding. Posterior ocelli in 

 front of a line drawn through middle of eyes. Antennae 

 (PI. IV, fig. 3) about 2.2 times as long as head, of the general 

 form and structure common to the species of the genus, but 

 with segment 8 subpedicellate and not closely united to seg- 



