''Druon quercuslanigerum'' is a species of gall wasp that forms galls on ''

Quercus virginiana ''Quercus virginiana'', also known as the southern live oak, is an evergreen oak tree endemic to the Southeastern United States. Though many other species are loosely called live oak, the southern live oak is particularly iconic of the Old South. ...

'', ''

Quercus geminata ''Quercus geminata'', commonly called sand live oak, is an evergreen oak tree native to the coastal regions of the subtropical southeastern United States, along the Atlantic Coast from southern Florida northward to southeastern Virginia and alo ...

'', ''

Quercus fusiformis ''Quercus fusiformis'' (also often referred to as ''Q. virginiana'' var. ''fusiformis''), commonly known as escarpment live oak, plateau live oak, plateau oak, or Texas live oak, is an evergreen or nearly evergreen tree. Its native range inc ...

'', and ''

Quercus oleoides ''Quercus oleoides'', with Spanish common names encina or encino, is a Mesoamerican species of oak in the live oak group (''Quercus'' sect. ''Virentes''). It grows in dry forests and pastureland of eastern and southern Mexico and much of Central ...

''. There are both parthenogenic and sexual generations. The parthenogenic generation forms galls on the leaves whereas the sexual generation forms galls on the

catkin A catkin or ament is a slim, cylindrical flower cluster (a spike), with inconspicuous or no petals, usually wind-pollinated (anemophilous) but sometimes insect-pollinated (as in ''Salix''). They contain many, usually unisexual flowers, arranged cl ...

s. It can be found in the southern United States and Mexico. Predators of this species include the

Green parakeet The green parakeet (''Psittacara holochlorus'') is a medium-sized parrot occurring in North and Central America, from the southernmost tip of Texas south to northern Nicaragua. Description The green parakeet is 32 cm in length, and is mos ...

References

Hymenoptera of North America Gall-inducing insects Cynipidae Oak galls Insects described in 1881 {{apocrita-stub