Pygidium of: A Neocallotillus elegans (vafer) dorsal (female) B Neocallotillus elegans (vafer) ventral (female) C Cymatoderella patagoniae dorsal (male) D Cymatoderella patagoniae ventral (male) E Monophylla terminata dorsal (male) F Monophylla terminata ventral (male) G Monophylla terminata dorsal (female) H Monophylla terminata ventral (female) I Onychotillus vittatus ventral (male).