Ages of female tsetse caught in artificial warthog burrows.

<p>Ovarian age distributions of female <i>G</i>. <i>m</i>. <i>morsitans</i> (A) and <i>G</i>. <i>pallidipes</i> (B) captured in all artificial warthog burrows September—November 1998. Ovarian category zero flies, which cannot be in the perinatal group, have been omitted. Postpartum flies were assigned to the ovarian stage that they had just completed.