Ceroplastes

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.