Phyllococcus

{{Short description|Genus of true bugs}}

{{Speciesbox

| name =

| status = EX

| extinct = yes

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=World Conservation Monitoring Centre |year=1996 |title=Phyllococcus oahuensis |page=e.T17120A6799402 |doi=10.2305/IUCN.UK.1996.RLTS.T17120A6799402.en |access-date=15 November 2021}}

| genus = Phyllococcus

| species = oahuensis

| authority = (Ehrhorn, 1912)

| synonyms =

• {{nowrap|Cissococcus oahuensis Ehrhorn, 1912}}

| synonyms_ref = {{ITIS |id=200946 |taxon=Phyllococcus oahuensis (Ehrhorn, 1912)}}

}}

Phyllococcus oahuensis is an extinct species of mealybug in the family Pseudococcidae, and the only species in the genus Phyllococcus.{{cite book |editor=A. Raman |editor2=Carl W. Schaefer |editor3=Toni M. Withers |title=Biology, Ecology, and Evolution of Gall-Inducing Arthropods |year=2005 |chapter=Gall-inducing scale insects (Hemiptera: Sternorrhyncha: Coccoidea) |pages=159–229 |isbn=978-1-57808-262-9 |publisher=CRC Press | url=http://entomology.ucdavis.edu/gullanandcranstonlab/Gullanpdfs/70Gullan_etal2005_B.pdf }} It was endemic to Hawaii.