They belong to the hemipteran suborder Auchenorrhyncha. Coreidae is a large family of predominantly sap-suckling insects in the Hemipteran suborder Heteroptera. Palaeontinoidea is an extinct superfamily of cicadomorph hemipteran insects. In addition to protection, ants may provide other services in exchange for hemipteran honeydew. Coreinae is a subfamily in the hemipteran family Coreidae. Myrmecoris gracilis is a species of flightless Hemipteran bug from the family Miridae. Serinethinae is a subfamily of the hemipteran family Rhopalidae, sometimes known as soapberry bugs. Enicocephalomorpha is an infraorder of the hemipteran suborder Heteroptera ("true bugs"). Diaphorina is an Old World genus of sap-sucking hemipteran bugs in the family, Liviidae. Many researches have been carried out by different hemipteran families by local and overseas experts. The original generic name is preoccupied by the hemipteran genus "Onega" Distant (1908). Workers tend different hemipteran taxa (i.e., Coccidae, Pseudococcidae, Membracidae and Aethalionidae). Diaphorina citri, the Asian citrus psyllid, is a sap-sucking, hemipteran bug in the family Liviidae.