Icerya clauseni (Rao)

Unruh, Corinne M. & Gullan, Penny J., 2008, Identification guide to species in the scale insect tribe Iceryini (Coccoidea: Monophlebidae), Zootaxa 1803 (1), pp. 1-106 : 79

Icerya clauseni (Rao)

Crypticerya clauseni Rao, 1951b: 144 .

Icerya clauseni (Rao) ; Unruh & Gullan (2008: 41) .

Unmounted material. Appearance of adult female unknown.

Slide-mounted material. Adult female oval, 3.9–4.9 mm long, 3.3–4.2 mm wide (holotype 4.1 mm long, 3.2 mm wide). Antenna 10 to 11 segmented. Eyes, mouthparts and legs as for ribe. Thoracic spiracles as for genus. Hair-like setae distributed as for genus, longest around margin and at posterior. Flagellate setae as for genus. Open-centre pores, each 14–15 µm in diameter, with 8–10 outer loculi and small cleft, in clusters of 8– 10 with robust hair-like setae around margin. Ovisac band absent. Marsupium absent. Simple multilocular pores, each with bilocular or trilocular centre and 4–6 outer loculi, scattered on ventromedial to submedial head and thorax and abdomen. Simple multilocular pores, each 9–11 µm in diameter, with bilocular centre and 10–14 outer loculi and blunt projection, scattered on dorsal surface and around ventral submarginal abdomen; similar pores, each 10–11 µm in diameter, with bilocular or trilocular centre and 6–8 slightly reniform outer loculi and appearing slightly bluish when stained, clustered with open-centre pores around margin. Vulvar opening as for tribe. Cicatrices small, round or oval, numbering 3–5, central cicatrix largest. Abdominal spiracles in 3 pairs. Anal tube as for genus; anal opening as for genus, surrounded by several robust hair-like setae.

Type data. MALAYASIA: Kuala Selangor, ex Citrus , iv.1930 (C.P. Clausen).

Type material. Holotype: ad ♀, “ Crypticerya / clauseni Rao / on citrus /Kuala Selangor, F.MS./ C.P. Clausen, Coll./April, 1930./No. 90” ( USNM) . Paratypes: 2 ad ♀♀ (same slide as holotype).

Taxonomic notes. Refer to the I. natalensis group for discussion of similar species.

The holotype is the adult female on the right side of the slide. The specimen is encircled with a line and the word “ holotype ” written to the side of it. Rao reported abdominal spiracles in 2 pairs, but we examined the holotype and paratypes and counted 3 pairs.