Table 1 in The genus Saissetia (Hemiptera, Coccomorpha, Coccidae) in China, with description of a new species

Table 1. Morphological features that can be used to separate S. kunmingensis sp. nov. and S. coffeae. VTDs = ventral tubular ducts.
Morphological featuresS. kunmingensis sp. nov.S. coffeaeType I VTDsPresent submarginally in a broad band around body, mediolaterally on posterior abdominal segmentsAbsentType II VTDsPresent submarginally and mediolaterally on posterior abdominal segments, sparse, few and discrete between 2 spiracular pore bands and headPresent on inner submarginal area around body and medial thorax (Tang 1991; Choi and Lee 2017)Type III VTDsPresent submarginally and inner submarginally on posterior abdominal segments, rarely present on submarginal area of headPresent on outer submarginal area around body (Tang 1991; Choi and Lee 2017)Type IV VTDsAbsentPresent on medial submarginal area around body (Tang 1991; Choi and Lee 2017)Distribution of VTDsDistributed irregularly, type I and type II ventral tubular ducts mixed mediolaterally on posterior abdominal segments, and in a broad band around body, type III ducts mixed with them submarginally on posterior abdominal segmentsDistributed regularly (Tang 1991; Choi and Lee 2017)Dorsal setaeThick and long, 20.1-28.9 μm long including basal socket, 14.2-21.0 μm long without a basal socketRather short, 6.0-9.0 μm long (Choi and Lee 2017)