37, 38. HEAD LOUSE AND BODY LOUSE, Pediculus humanus humanus Linnaeus and P. h. capitus DeGeer (Phthiraptera: Pediculidae). Lice and eggs can be collected and preserved in alcohol. Combs are sold with lice treatments at pharmacies that enable users to remove eggs stages (nits) attached to hair shafts and lice due to the fine spacing between the tines.