Hollinger, A.H. 1916 The shell-bark hickory mealy-bug.. Canadian Entomologist 48: 411-413.
Notes: Pseudococcus jessica n. sp.
Hollinger, A.H. 1916 The shell-bark hickory mealy-bug.. Canadian Entomologist 48: 411-413.
Notes: Pseudococcus jessica n. sp.