One indicator that your cat has a tapeworm infestation is when there are white grains which look similar to rice around the cat's anus. (tinpaw.com)
If your dog has a tapeworm infestation, you may see tapeworm segments that look like grains of rice in his feces. (thehousebreakingbible.com)
Animals with a flea infestation may also have a tapeworm infection because fleas are an intermediate host in the life cycle of some species of tapeworm and are commonly swallowed during grooming. (articles.extension.org)