a2 N. C. AGR. EXP. STA. BUL. 239 

4 581f sills 
4 
FIGURES 579-581.—579, Sibovia chanchama, n. sp., holotype (A from lateral 
view). 580, S. mesolinea (DeLong and Currie), holotype. 581, S. civilis 
(Fowler) (from topotype; A from lateral view). 
