Megapulvinaria Young, 1982

Wang, Fang & Feng, Ji-Nian, 2012, A review of the genus Megapulvinaria Young (Hemiptera, Coccoidea, Coccidae) from China, with a description of a new species, ZooKeys 228, pp. 59-68 : 60-61

Genus Megapulvinaria Young, 1982

Megapulvinaria Young, 1982: 162. Type species: Pulvinaria maxima Green, 1904. By original designation and monotype.

Generic diagnosis.

Adult female. Body elongate oval to broad oval; stigmatic clefts distinct. Dorsum. Dorsal setae spinose or conical. Dorsal submarginal tubercles absent. Preopercular pores present or absent. Dorsal tubular ducts present or absent. Eyespots generally displaced onto dorsum (marginal on Megapulvinaria maxima ). Anal plates together quadrate, each plate with 2 spinose and/or truncate setae along inner margin, a similar seta on apex and a spinose seta present in discal position (possibly on outer margin of Megapulvinaria maskelli ). Anal ring with 6 setae. Margin. Marginal setae stout, apex truncate or bidentate, and with 2 types present, one shorter and broader than other (about same length and one slightly broader than other both in Megapulvinaria maskelli and Megapulvinaria beihaiensis ); broader setae on head and posterior margins of abdomen (0-3 broader setae present between two stigmatic clefts in Megapulvinaria beihaiensis ). Stigmatic clefts deep or shallow, each with 3-12 stigmatic spines. Venter. Antennae 7-9 (mostly 8) segmented. Legs well-developed, each with a tibio-tarsal articulation and an articulatory sclerosis, each claw with a denticle on the widest part. Pregenital setae 2 pairs. Spiracular disc-pores each mainly with 5 loculi. Pregenital disc-pores each mainly with 10 loculi, restricted to abdominal segments. Ventral tubular ducts of three types, with a submarginal band of small tubular ducts; median area of head, thorax, and anterior 1-3 abdominal segments with large ducts each with both outer and inner ductules broad or stout (anterior submargin and all median area in Megapulvinaria maskelli ); posterior abdominal segments of moderately tubular ducts.

Distribution.

Oriental and Australian regions.

Key to all adult females of Megapulvinaria