| identification of microthoracius mazzai (phthiraptera: anoplura) as an economically important parasite of alpacas. | the hematophagous sucking louse microthoracius mazzai werneck, 1932, is redescribed and identified as a parasite of alpacas, lama pacos l. specimens were collected on animals 10-14 mo old, located on a large community farm at 4,600 m above sea level in the peruvian andes. in total, 26 scanning electron microscope (sem) figures are included that highlight salient and differential characteristics, especially the unique elongated spindle-shaped head, which is almost as long as its abdomen. alpacas, ... | 1998 | 9835681 |