Sphaerolecanium prunastri

Live adult female almost circular, strongly convex, lateral sides nearly vertical, slightly widened toward lower surface, dark brown to almost black, shiny but very finely punctate. Slide-mounted adult female body more-or-less broadly oval. Stigmatic setae undifferentiated from marginal setae, or with 3 slightly differentiated stigmatic setae in each stigmatic area. Marginal setae bluntly spinose, some with split apices, present in a band 1–3 setae wide; each side with 19–29 setae between anterior and posterior stigmatic areas. Setae of two types: setose setae scattered throughout, and much longer flagellate setae abundant along mid-dorsal ridge within band of preopercular pores. Preopercular pores of two sizes: large, convex, with densely sclerotized rims, abundant within band of large setae along midline from anterior of anal plates to level of antennal bases. Microducts numerous on submargin and medially on head and thorax, absent medially on abdomen. Three pregenital segments each with a pair of long setae. Legs well developed, each without free articulation between tibia and tarsus or tibio-tarsal sclerosis; prothoracic legs with tibia surface undulant (in Iranian specimens).

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