Saissetia Deplanche, 1859

Cao, Tong, Zhang, Na & Feng, Jinian, 2019, The genus Saissetia (Hemiptera, Coccomorpha, Coccidae) in China, with description of a new species, ZooKeys 873, pp. 55-63: 56

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Saissetia Deplanche, 1859


Genus Saissetia Deplanche, 1859  


Saissetia coffeae   (Walker, 1852).

Saissetia   Deplanche, 1859: 6; Newstead 1917: 361; Hall 1935: 73; De Lotto 1956: 239; De Lotto 1957: 170; De Lotto 1963: 191; De Lotto 1965: 219; Tang 1991: 215; Henderson and Hodgson 2000: 208; Choi and Lee 2017: 101; Zhang et al. 2018: 97.

Generic diagnosis.

Adult female. Body dorsum convex, H-shaped ridge present medially on dorsum. Derm with sclerotized reticulations and dermal areolations becoming well developed in older females; dorsal setae conical, thick and sturdy; submarginal tubercles present or absent on submarginal area; dorsal tubular ducts absent; anal plates triangular, together quadrate, each with a distinct discal seta; some discal setae with a sharp and pointed apex, or with a fimbriate and frayed apex. Marginal setae slender or curved, spinose with pointed apexes, bifid, frayed, or fimbriate and branched, all with well-developed basal sockets. Legs well developed, each with or without a well-developed tibio-tarsal articulatory sclerosis; claw without a denticle; multilocular disc-pores with 10-12 loculi, usually 10, present in vulvar area and on anterior abdominal segments, some sparsely present on thorax; ventral tubular ducts (VTDs) present in a broad submarginal band; 1 to 4 types of VTDs, including type I: ducts with a long outer ductule and a narrow inner ductule, width of inner ductule half or less than half width of outer ductule, with a flower-shaped terminal gland; type II: ducts with a moderately long outer ductule and a long, extremely narrow inner ductule with a well-developed terminal gland; type III: a short, small duct with a filament-like inner ductule without a glandular end; type IV: a duct with a broad inner ductule of similar width and length as the outer ductule, with a well-developed terminal gland.