A new species of Greenisca and two new species of Ovaticoccus from Italy (Hemiptera Coccoidea Eriococcidae), with a key to European genera of Eriococcidae. Author Pellizzari, Giuseppina Author Kozár, Ferenc text Zootaxa 2011 3090 57 68 journal article 46050 10.5281/zenodo.202245 5cea4dfe-3eb6-488f-a603-6ba9f20ed4cb 1175-5326 202245 Key to the genera of Eriococcidae in Europe 1. Anal ring not well developed, often without pores; cruciform pores present on midventer of abdomen; mostly on Agavaceae ....................................................................................... Ovaticoccus Kloet - Anal ring well developed, with a row or rows of pores; cruciform pores absent on midventer of abdomen................ 2 2. Dorsum with cruciform pores or with discoidal pores or with both; on grasses...................................... 3 - Dorsum without cruciform pores or discoidal pores; hosts various including grasses................................. 5 3. Dorsum with large sclerotized groups of 5-locular pores........................................ G regoporia Danzig - Dorsum without large sclerotized groups of 5-locular pores.................................................... 4 4. Dorsum without cruciform pores....................................................... Greenisca Borchsenius - Dorsum with cruciform pores............................................................... Kaweckia Koteja 5. Large spinose setae situated in a row only on body margin, or restricted to anal lobe; mostly on grasses................................................................................................ Anophococcus Balachowsky - Large spinose setae situated all over dorsum; hosts various..................................................... 6 6. With 5 setae on posterior tibia; microtubular ducts short; labium with 9 pairs of setae; mostly on herbaceous plants......... Rhizococcus Signoret. ............................................................. (in sense of Koteja, 1974 ) - With 4 setae on posterior tibia; microtubular ducts long; labium with 8 pairs of setae; mostly on woody plants............ 7 7. Dorsal spinose setae much shorter than marginal setae: anal lobe with strong subapical setae; in Europe on such introduced plants as Araucaria and Leptospermum ......................................................... Uhleria Cooke - At least some dorsal spinose setae about as long as marginal setae; anal lobes with hair-like subapical setae; hosts various... 8 8. Macrotubular ducts forming a wide band on lateral margins of both surfaces; dorsal enlarged setae of one size; ovisac not cov- ering dorsum; mostly in bark crevices of elm............................................... Gossyparia Signoret - Macrotubular ducts numerous over dorsum, not forming a wide band on lateral margins of both surfaces; dorsal enlarged setae usually of more than one size; ovisac covering entire body; on woody plants.................................................................................................... Acanthococcus Signoret (in sense of Koteja, 1974 )