Regarding parasites:
You might try "Privies, Pollen, Parasites, and Seeds" by K. Reinhard, S.
Mrozowski, and K. Orloski (1986) MASCA Journal vol. 4. From my personal
knowledge, Mrowzowski is particularly adept at recognizing parasites.
Good luck!
M. Nassaney
Anthropology
WMU, Kalamazoo