Planococcus bengkuluensis Zarkani & Kaydan, 2024

Zarkani, Agustin, Fauzi, Ariffatchur, Apriyanto, Dwinardi & Kaydan, Mehmet Bora, 2024, A new species of Planococcus Ferris (Hemiptera: Coccomorpha, Pseudococcidae) from Indonesia, Journal of Insect Biodiversity and Systematics 10 (2), pp. 231-242 : 233-234

Planococcus bengkuluensis Zarkani & Kaydan , sp. nov. ( Figs 1–2)

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Material examined. Holotype. Adult female, left label: AZ1504, 12.v.2023, INDONESIA, Sumatra, Bengkulu, Coffea robusta , 102°36'32.8"E, 3°36'26.8"S, 630 m a.s.l.; right label: Planococcus bengkuluensis Zarkani & Kaydan n.sp., coll. A. Zarkani, det. M.B. Kaydan. The holotype specimen is ringed with red ink on the coverslip. Paratypes. 3 ♀♀ ( AZ 1505), same data as holotype; 3 ♀♀, AZ1506, INDONESIA, Sumatra, Bengkulu on coffee berries, Coffea robusta Lindl. ex De Will. ( Rubiaceae ), 102°36'32.8"E, 3°36'26.8"S, 12.v.2023, coll. A. Zarkani; 3 ♀♀, AZ1507, Sumatra, Bengkulu on coffee, C. robusta , 102°33'22.9"E, 3°40'56.0"S, 13.v.2023, coll. A. Zarkani; 3 ♀♀, AZ1508, Sumatra, Bengkulu on coffee, C. robusta , 102°21'24.4"E, 3°43'36.0"S, 18.v.2023, coll. A. Zarkani. All deposited at MMUB

Etymology. The name is based on the province name and the Latin suffix ‘ -ensis ’, meaning ‘from that place’.

Diagnosis. Planococcus bengkuluensis sp.nov. is closely related to P. bagmaticus Williams in having multilocular disc pores on dorsum and translucent pores present on hind coxa and hind tibia. However, P. bengkuluensis can be distinguished from P. bagmaticus in having (character states for P. bagmaticus given in parentheses): (i) dorsal multilocular disc pores present sparsely distributed on central abdominal segments IV–VI only (sparsely distributed on thorax and abdomen); (ii) dorsal oral collar tubular ducts present on dorsum at central abdominal segments IV–VI (present in small marginal groups on abdominal segments VI and VII only); (iii) translucent pores present abundantly on anterior and posterior surfaces of hind coxa as well as on posterior surface of hind tibia about 60–152 pores (a few); (iv) ventral multilocular disc pores distributed in abdominal segments III–VIII only (sparsely distributed on thorax and abdomen); (v) ventral oral collar tubular ducts present entirely on margin of head, thorax and abdomen (ventral oral collar tubular ducts present on abdominal margins and pro-thorax only). The new species is also similar to P. epulus De Lotto described from Kenya in terms of having dorsal multilocular disc pores. However, P. epulus possesses dorsal transverse rows of oral collar tubular ducts, whereas in P. bengkuluensis , any dorsal ducts are restricted to small lateral groups on abdominal segments IV–VI.

Description. Holotype ♀ ( Fig. 1) and 6 paratypes ♀♀ (Slide-mounted). Body broadly oval, membranous, the largest specimen 2.60 mm long and 1.93 mm wide. Anal lobes moderately developed, each ventral surface with apical seta 230–250 μm long, bar seta about 35 μm long, and short anal lobe bar present forwards from bar seta. Antennae each 403–413 μm long, with 8 segments. Legs well developed, slender; hind trochanter + femur 310–320 μm long, hind tibia + tarsus 270–290 μm long; claw stout, about 30 μm long. Ratio of lengths of hind tibia + tarsus to hind trochanter + femur 1:1.10– 1.15. Ratio of length of hind tibia to tarsus 1.89–2.00. Translucent pores present abundantly about 90– 152 pores on anterior and posterior surfaces of hind coxa and about 60–110 pores on posterior surface of hind tibia. Labium 3 segmented, 180–190 μm long, about similar leng as clypeolabral shield. Circulus oval, 110–120 μm wide; intersegmental line not apparent. Ostioles well developed, with inner edges of lips sclerotized, each posterior lip with 4–5 setae and many trilocular pores about 15–30, each anterior lip with 5–6 setae and about 16–35 trilocular pores. Anal ring about 75 μm in diameter, bearing 6 setae, each seta 138–158 μm long. Cerarii numbering 18 pairs. Anal lobe cerarii each containing 2 conical setae, each 25 μm long and 5 μm wide at base, 2 or 3 auxiliary setae and a small group of trilocular pores, all situated on a membranous to lightly sclerotized area. Anterior cerarii each containing 2 shorter conical setae and a small group of trilocular pores. Cerarii on head and thorax each bearing slender setae resembling dorsal setae.

Dorsum. Derm membranous. With 18 pairs of cerarii around body margin, each cerarius with an enlarged conical setae set up in 2 rows and 2–3 auxiliary setae. Dorsal setae conical, thinner than most cerarian setae, each 5–7.5 μm long, median setae 10–15 μm long, scattered throughout dorsum. Trilocular pores, each 2.5–3.8 μm in diameter, scattered. Multilocular disc pores present each about 7.5 μm in diameter, sparsely distributed on central abdominal segments IV–VI only in no regular arrangement as well as oral collar tubular ducts. Multilocular disc pores distributed as follows (mean numbers): IV: 4, V: 6, VI: 10.

Venter. Ventral surface of body with normal flagellate setae present. Multilocular disc pores distributed in more or less double rows at posterior edges of abdominal segments III–VIII only, some pores reaching margins; others present posterior to vulva. Trilocular pores present, evently distributed. Discoidal pores minute, sparsely present. A small type, each about same diameter as a trilocular pore or narrower, present mainly across middle of abdominal segments III–VIII and margin of head, thorax and abdomen. A large type, only present in across middle or sometime in the margin of abdominal segments III–VIII. Setae flagellate, each 52.5–57.5 μm long, longest setae located medially on head. Apical setae on anal lobes short, each 125.0–127.5 μm long. Multilocular disc pores, each 6.25–7.5 μm in diameter, present on abdominal segments, distributed as follows (mean numbers): III: 24, IV: 9, V: 12, VI: 20, VII: 10, and VIII: 6. Trilocular pores, each 2.5 μm across, scattered throughout venter. Oral collar tubular ducts with two types: large type each 10.0 μm long, 3.8 μm wide, present on each marginal abdominal segments III–VIII; small type each 5.0 μm long, 1.3–2.5 μm wide, present entirely from margin of head, thorax and abdomen .

Appearance ( Fig. 2). Unmounted live specimens - Adult females produce a powdery white wax covering the dorsal surface of their bodies. The body is reddish with long waxy tassels. The colony commonly symbioses with ants.

Other. Detail characters (more than 40) of P. bengkuluensis sp.nov. in comparison with closely related species are presented in Table 1.