The adult male and male nymphal instars of Ceroplastes rusci (Linnaeus) (Hemiptera: Coccoidea: Coccidae) Author Rainato, Alessio Author Pellizzari, Giuseppina text Zootaxa 2010 2357 50 62 journal article 10.5281/zenodo.275681 09fb1404-717a-4732-9a6a-b8b8871b4439 1175-5326 275681 Key to Ceroplastes species based on adult males The key to adult male Ceroplastes and Waxiella ( Rainato & Pellizzari, 2008 ) is modified to include C. rusci . 1 Penial sheath with fleshy setae ........................................................................................................ Ceroplastes spp...2 - Penial sheath without fleshy setae ....................................................................................................... Waxiella spp…5 2 Penial sheath apex rounded; fleshy setae absent on basal portion of penial sheath; glandular pouches absent ............ ................................................................................................................................................................... C. ceriferus - Penial sheath apex pointed; fleshy setae present on basal portion of penial sheath; glandular pouches either present or absent ....................................................................................................................................................................... 3 3 Glandular pouches absent .......................................................................................................................... C. japonicus - Glandular pouches present............................................................................................................................................ 4 4 Penial sheath about 360 μm long; ratio of total body length to penial sheath length 1:3.7 ............................ C. rusci - Penial sheath about 185 μm long. Ratio of total body length to penial sheath length 1:6.2 ............ C. cirripediformis 5 Scutal fleshy setae numbering 10–20 ......................................................................................................... W. berliniae - Scutal fleshy setae numbering 2–11 ........................................................................................................... Waxiella sp.