Paralecanium quadratum (Green, 1904)

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 : 37-40

Paralecanium quadratum (Green, 1904)

( Fig. 34 )

Lecanium expansum quadratum Green, 1904b: 236

Diagnosis. Dorsum with setae slightly pointed ( Fig. 34E ); preopercular pores situated anterolaterally to anal plates, in 3 groups on each side ( Fig. 34G ). Stigmatic clefts each containing 3 stigmatic spines ( Fig. 34B ). Legs entirely absent (partially adopted from Green 1904b; Morrison 1920; Tao et al. 1983; Hodgson & Williams, 2018).

Hosts. Polyphagous. According to García Morales et al. (2016), P. quadratum has been recorded from plants belonging to 4 genera in 4 families. In Laos, it has been recorded on Ficus sp. ( Moraceae ) ( Suh & Bombay 2015).

Distribution. Mainly known from Oriental Region ( Indonesia, Laos, Philippines, Sri Lanka and Taiwan) ( Suh & Bombay 2015; García Morales et al. 2016).

Economic importance. Paralecanium quadratum has not been recorded as an economically important pest.

Remarks. We did not collect any specimens of Paralecanium quadratum in this study. Paralecanium quadratum is similar to P. expansum (Green) ; see the remarks section for P. expansum above.

Figures

FIGURE 34. Paralecanium quadratum (Green, 1904), adult female, from Hodgson & Williams (2018). A, marginal seta; B, stigmatic cleft with stigmatic spines; C, small simple pore; D, dorsal microduct; E, dorsal seta; F, dorsal and ventral view of anal plates and anogenital area; G, clear area with preopercular pores; H, multilocular disc-pore; I, ventral microduct; J, spiracular disc-pores; K, antenna.