An invasive variant of the pasture mealybug Heliococcus summervillei (Hemiptera: Pseudococcidae) and its obligate endosymbiont Tremblaya phenacola (Enterobacterales: Enterobacteriaceae).
The pasture mealybug Heliococcus summervillei Brookes (Hemiptera: Pseudococcidae) is the cause of extensive pasture dieback in Australia and is an emerging biosecurity threat to pasture and crop grasses in the Americas. In this study, we present a morphological and molecular comparison of contemporary Australian specim...