Sclerosococcus, McKenzie, 1958

Granara de, María C., Willink, González, Patricia & Stumpf, Christof F., 2023, Revision of the family Asterolecaniidae (Hemiptera: Coccomorpha) in Argentina, Insecta Mundi 2023 (996), pp. 1-23 : 15

Key to the species of Sclerosococcus (adult females)

1. With two groups of 3–6 tack-shaped setae ( Fig. 7 , 8 ) between the antennae and the first spiracle....................................................................... S. bromeliae McKenzie

— No groups of setae in that location......................................................... 2

2(1). Last abdominal segments partially sclerotized................................................ 3

— Last abdominal segments membranous..................................................... 4

3(2). Cephalothorax with groups of multilocular pores with 6 locules forming dorsal and ventral marginal bands; quinquelocular pores in two entirely or partially transverse bands on ventral segments VI and VII and on dorsal segments VI–VIII................................ S. ferrisi McKenzie

— Cephalothorax with multilocular pores with 7 locules in partial or complete bands on dorsal and ventral margins; abdominal quinquelocular pores absent...... S. williamsi Granara de Willink , sp. nov.

4(2). With groups of multilocular pores with 7 locules forming bands from the cephalothoracic margin to the area behind the first pair of spiracles; quinquelocular pores in dorsal and ventral transverse bands, not found on abdominal margin.................................... S. tillandsiae Lambdin

— With groups of multilocular pores with 7 locules forming wide dorsal and ventral cephalothoracic bands; quinquelocular pores in dorsal and ventral transverse rows, present on abdominal margin.......................................................................... S. chilensis Lambdin

Figures

Figure 7. Sclerosococcus williamsi sp. nov., adult female without cephalothoracic pores. a) Dorsal (left), ventral (right) view. b, d) Setae. c, l) Eight-shaped pore ducts. e, k) Broad-based setae. f) Anal lobe. g) Antenna. h) Spiracle. i) Multilocular pore inside spiracular peritreme. j) Tack-shaped seta.

Figure 8. Sclerosococcus williamsi sp. nov., adult female with cephalothoracic pores.a) Dorsal (left), ventral (right) view. b,e, l) Setae. c, j) Multilocular pores. d, k, m) Eight-shaped pore ducts. f) Tack-shaped seta. g) Anal lobe. h) Antenna. i) Spiracle.