KHUONG
B. NGUYEN
Entomology & Nematology Department
University of Florida
Head of an infective
juvenile
Head of a
female
Head of a male showing 4 of 6
showing mouth, amphid,
4
showing 6 labial papillae,
4
labial papillae, 3 of 4 cephalic
cephalic papillae and one
line
cephalic papillae, 2 amphids and and a
raising
perioral disc
of lateral
field
a mouth.