Comparative Parasitology 67(1) 2000 - Peru State College

58 COMPARATIVE PARASITOLOGY, 67(1), JANUARY 2000
Figures 22—31. Popovastrongylus pluteus sp. n. from Macropus robustus. 22. Anterior end (lateral view).
23. Cephalic end, optical section (lateral view). 24. Mouth opening (en face view). 25. Cephalic end, optical
section (ventral view). 26. Cephalic collar (lateral view). 27. Buccal capsule, transverse optical section at
level of shelf. 28. Bursa (ventral view). 29. Bursa (lateral view). 30. Ovejector (lateral view). 31. Female
posterior end (lateral view). Scale bars: Figures 22, 31 = 200 urn; Figures 23, 25, 26 = 25 |xm; Figures
24, 27 = 10 urn; Figures 28, 29 = 50 (mm; Figure 30 = 100 |xm.
in red-necked wallabies from New South Wales,
Victoria, or South Australia. This may be because
of either a lack of sampling effort (the
parasite being present but not detected) or a disjunct
distribution of the parasite. Popovastrongylus
pearsoni also occurs in red-necked wallabies
from the same localities in Tasmania as
P. wallabiae and has only been found on con-
Copyright © 2011, The Helminthological Society of Washington
tinental Australia in a common wallaroo in the
Tidbinbilla Nature Reserve in the Australian
Capital Territory. Since the macropod population
on the reserve includes red-necked wallabies,
tammars, and species of rock-wallaby, it is
reasonable to suppose that this record was an
accidental infection. It does, however, occur in
3 other hosts, the tammar and western grey kan-