Megapulvinaria Yang, 1982

Choi, Jinyeong, Soysouvanh, Pheophanh, Lee, Seunghwan & Hong, Ki-Jeong, 2018, Review of the family Coccidae (Hemiptera: Coccomorpha) in Laos, Zootaxa 4460 (1), pp. 1-62: 40

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Megapulvinaria Yang, 1982


Genus Megapulvinaria Yang, 1982 

Type species: Pulvinaria maxima Green, 1904a  , by original designation.

Diagnosis. Dorsum with anal plates each with 1 spinose discal seta, and 2 spinose and/or truncate setae on inner margin and apex ( Figs 35DView FIGURE 35, 36GView FIGURE 36); tubular ducts present or absent ( Fig. 36FView FIGURE 36); duct tubercles absent. Marginal setae stout and truncate, with 2 types (one long and slender; the other shorter or same length and thicker) ( Figs 35CView FIGURE 35, 36BView FIGURE 36). Stigmatic clefts shallow to deep, each containing 3–12 stigmatic spines ( Fig. 36CView FIGURE 36). Venter with tubular ducts of 3 types (type I: each with a broad inner ductule, present on medial area of head, thorax and anterior abdomen; type II: each with a narrow inner ductule, present on medial and inner submarginal area of abdomen; type III: each with a filamentous inner ductule, present in submarginal areas) ( Fig. 36JView FIGURE 36); antenna 7 to 9 segmented ( Fig. 36MView FIGURE 36); legs each with tibio-tarsal articulatory scleroses ( Fig. 36IView FIGURE 36) ( Hodgson 1994; Wang & Feng 2012b).

Remarks. Megapulvinaria  contains 5 described species that are mainly distributed in the Oriental and Australian regions ( García Morales et al. 2016). The genus is related to Pulvinarisca  , but is easily differentiated from the latter by possessing 2 types of marginal setae, and each anal plate having 1 discal seta and 2 spinose and/ or truncate setae ( Hodgson 1994); in contrast, Pulvinarisca  has only 1 type of marginal seta and each anal plate has 3 spinose setae only ( Hodgson 1994; Wang & Feng 2012b).