(Hemiptera: Sternorrhyncha, Coccomorpha) with particular reference to species from the Afrotropical, western Palaearctic and western Oriental Regions, with the revival of Antecerococcus Green and description of a new genus and fifteen new species, and with ten new synonomies Author Chris J. Hodgson Author Douglas J. Williams text Zootaxa 2016 4091 1 1 175 journal article 51608 10.11646/zootaxa.4091.1.1 bdd057d5-b4d6-4b57-940a-d7839f483e25 1175-5326 265332 urn:lsid:zoobank.org:pub:76D13D36-682E-4E91-AC91-693CA9D3D465 Antecerococcus steppicus (Balachowsky) , comb. nov. ( Fig. 45 ) Cerococcus steppicus Balachowsky 1941: 87 –90. Type details. ALGERIA , Ben-Toumi, Sud Beghani, on Atractylis cespitosa [misspelling of caespitosa ], -. v.1939 , A. Pasquier. Depository: MNHN : lectotype adf (designated by Lambdin & Kosztarab 1977: 216) (MNHN 4869- 2); paralectotype ff: data as for lectotype , 4/8 adff (MNHN 4869-1: 2adff); MNHN 4869-3: 2adff; MNHN 4869-4: 2adff; MNHN 4869-5: 2adff). Material studied. Lectotype f: ALGERIA , Ben-Toumi, Sud Beghani, on Atractylis caespitosa (spelt cespitosa ) ( Asteraceae ), -. v.1939 , A. Pasquier (MNHN): 1/1 adf (g, labelled co-type) and (MNHN): 1/2 paralectotype adff (f, labelled type ). Mounted material. Body roundly pear-shaped, 1.6–2.4 mm long, 1.4–2.3 mm wide. Dorsum. Eight-shaped pores all small, of 3 sizes: (i) largest each 11–12 x 6.5–7.0 µm, restricted to close to or within each stigmatic pore band, with 0–5 near apex of each band, plus a few (3 or 4) along margins of posteriormost abdominal segments; (ii) intermediate-sized pores slightly smaller, each 9.5–10.0 x 6.0–6.5 µm, abundant throughout most of dorsum, randomly distributed but absent medially posterior to abdominal segment IV; and (iii) a small pore, each 6.5 x 3 µm, sparsely distributed medially posterior to cribriform plates; smallest pores absent from stigmatic pore bands. Simple pores, each 2.0–2.5 µm wide, rare. Cribriform plates roundish, small, each mainly 16–20 µm wide, in 2 groups of 3 or 4 submedially on abdominal segment IV; each plate with a narrow border and moderate-sized micropores. Dorsal setae showing nothing distinctive. Tubular ducts with each outer duct 23–25 µm long and about 2.5 µm wide, slightly broader than those on venter; abundant throughout. Anal lobes mainly membranous, but with sclerotized inner margins; each lobe with a long apical seta, all broken but at least 180 µm long; fleshy setae on dorsal surface near apex each 20–22 µm long; more anterior basal fleshy setae each 25–31 µm long; ventral setose seta near apical setae, each about 35 µm long; medioventral setae possibly absent; outer margin setae each 15 µm long; each lobe with two or three 8-shaped pores. Median anal plate roundly pointed, 33–40 µm long and 33–40 µm wide at base. Anal ring with 4 pairs of setae, each 70–75 µm long. Venter. Eight-shaped pores similar to intermediate-sized pores on dorsum, in a sparse, fairly broad submarginal band and also in broad transverse bands anterior to each band of multilocular disc-pores on abdomen. Simple pores rare. Small bilocular pores, each about 5 x 4 µm, frequent medially on head and thorax, not extending onto anterior abdominal segments. Spiracular disc-pores small, each 4–5 µm wide (smallest near spiracles), mainly with 5 loculi, each band mainly 2–5 pores wide but widening slightly at apex on dorsum; posterior bands bifurcated; each band with 45–60 pores + 0–5 largest 8-shaped pores; also with small groups between each spiracle and anterior and posterior leg stubs, plus 2 quinquelocular disc-pores near each antenna and 2 near labium. Small convex closed pores absent. Multilocular disc-pores, each 7.5–8.0 µm wide with mainly 10 loculi, in transverse bands 2–4 pores wide across most abdominal segments, as follows: VIII 4–6 submarginally and 0 or 1 medially; VII with 1 or 2 on each side of vulva, none medially; VI with 1–4 submarginally + 14–17 medially; V with 3–6 submarginally + 33–41 medially; IV with 6–12 submarginally + 48–69 medially; III 6–12 submarginally + 46–58 medially; II 8–15 submarginally + 33–35 medially; also with 1 or 2 laterad to each metathoracic leg stub; none medially on metathorax. Tubular ducts slightly narrower than those on dorsum; present throughout. Ventral setae showing nothing significant; preanal setae each 90–100 µm long; companion setae short. Leg stubs present. Antennae unsegmented, each 33–40 µm long, 33–40 µm wide, without either a sclerotized conical point on apex or a distinct setal cavity; with 7 or 8 setose and fleshy setae. Clypeolabral shield 165 µm long. Spiracular peritremes each 38–40 µm wide. Comment . The above description is similar to that of Lambdin and Kosztarab (1977) but some of the measurements are slightly larger and they did not note the smaller 8-shaped pores medially on the posterior abdominal segments. The adult female of A. steppicus is distinctive, with the following combination of characterstates: (i) dorsum with three sizes of 8-shaped pores, all small; (ii) largest 8-shaped pores very close to or restricted to within each stigmatic pore band; (iii) smallest 8-shaped pores restricted to medially on posterior abdominal segments; (iv) intermediate-sized 8-shaped pore randomly distributed over rest of dorsum; (v) cribriform plates in a submedial group of three or four on each side of abdominal segment IV; (vi) leg stubs present; (vii) posterior discpore bands bifurcated; (viii) multilocular disc-pores fairly abundant in transverse bands across all abdominal segments and submarginally on metathorax; (ix) a few quinquelocular disc-pores also present between each spiracle and associated leg stubs; and (x) antennae without a cone-like apex or setal cavity. FIGURE 45. Antecerococcus steppicus (Balachowsky) . Adult female. The adult female of A. steppicus falls within Group B in the key to species of Antecerococcus and keys out close to A. kakamegae and A. royenae .