DESCRIPTIONSOFTHENEWGENUSCELTISASPISANDFIVENEWSPECIESOFCHINA(Homoptera:Psyllidae)

Thelerp-formingpsyllidsisverycommonintheAustralianregion,suchasSpondy?iaspis(Signore,1879),Cardiaspina(Crawford,1911),GlycaspisandHyalinaspis(Taylor,1960),allofthemwithbipartiteproctigersinthemales.OnthebasisofsomemorphologicalandbiologicalcharacterstheyshouldstandforapeculiarsubfamilySpendyliaspinaeofthePsyllidae(Heslop-Harrison,1954).InthePalaearcticregiontwoJapanesespecieswereidentifiedasPachypsyllajaponicaandP.usubaibyY.Miyatake(1968,1980)recently,andthenymph,thegallthelerpcollectedbyF.