Pkoc. Bioi.. Soc. Wash., Vol.. XXIX, lOHi 



Plate III. 



Fig. I. — III lerolhrijis <i~ah:r, posterior margin of .sixth alxlominal tergite at 

 rigiit of median line, female, paratyi)e. 



Fig. 2. — Hi'terothrips lyonise, posterior margin of sixth abdominal tergite at 

 rigiit of median line, female, holotype. 



Fig. 3. — Odrmtothrips pictipennis, .segments G-8, right antenna, female, 

 holotype. 



Fig. 4. — Odontothrips ulicix (Haliday), segments 6-8, right antenna, fe- 

 male (England, ex collection C. B. Williams). 



