Mealybugs of the genera Eumyrmococcus Silvestri and Xenococcus Silvestri associated with the ant genus Acropyga Roger and a review of the subfamily Rhizoecinae (Hemiptera, Coccoidea, Pseudococcidae). Bulletin of the Natural History Museum Entomology Series, 67(1), 25 June 1998: 1-64. 23 [Zoological Record Volume 135]