Peliococcus globulariae (Goux)

Kaydan, Mehmet Bora, 2015, A systematic study of Peliococcus Borchsenius (Hemiptera: Coccoidea: Pseudococcidae), with descriptions of a new Palaearctic genus and four new species from Turkey, Zootaxa 3920 (2), pp. 201-248 : 218-220

Peliococcus globulariae (Goux)

( Fig. 6 )

Phenacoccus globulariae Goux, 1937: 231 .

Peliococcus globulariae (Goux) : Kozár & Walter, 1985: 70 (change of combination); Danzig & Gavrilov-Zimin 2014: 414.

Material studied. Paratypes: 3 adult females: France, Bouches-du-Rhône, Marseille, Marseilleveyre, Mazargues and LaSabliere, on Globularia alypum (Plantaginaceae) , 26.v.1935, coll: L. Goux ( MNHN: 8758-4, 5, 7).

Description. Adult female. Body elongate oval, 0.81–0.84 mm long, 1.34–1.44 mm wide. Eye marginal, 37–45 µm wide. Antenna 9 segmented, 385–420 µm long; apical segment 60 µm long, 22–28 µm wide; apical setae ca 35 µm long, plus 3 fleshy setae each 25–33 µm long. Tentorium 145–160 µm long, 130–140 µm wide. Labium 100–110 µm long, 85–95 µm wide. Anterior spiracles 57–65 µm long, 20–30 µm wide across atrium; posterior spiracles 65–73 µm long, 32–35 µm wide. Legs well developed, posterior legs: coxa 145–155 µm long, trochanter + femur 230–245 µm, tibia + tarsus 260–270 µm, claw 25–28 µm long. Ratio of lengths of tibia + tarsus to trochanter + femur 1.08–1.15:1; ratio of lengths of tibia to tarsus 2.16–2.31:1; ratio of length of trochanter + femur to greatest width of femur 3.69–4.45:1. Tarsal digitules hair-like, each 20–25 µm long. Claw digitules knobbed, each 20.0–22.5 µm long. Anterior ostioles with a total for both lips of 20–31 trilocular pores and about 6 setae; posterior ostioles with a total for both lips of 25–32 trilocular pores and 6 or 7 setae. Anal ring 80–95 µm wide, with 6 setae, each 115–135 µm long. Cerarii slightly sclerotized, numbering 18 marginal pairs; C3 with 3 enlarged setae, each 12–15 µm long, plus 3 or 4 trilocular pores; anal lobe cerarii, each with 2 slender enlarged setae, each 17–20 µm long, 9–13 trilocular pores plus 3 or 4 spine-like auxiliary setae; remaining marginal cerarii each with 2 enlarged setae and 1 or 2 trilocular pores; a single dorsal cerarius present in middle of abdominal segment VII.

Dorsum. Setae spine-like, each 5.0–10.0 µm long, not enlarged and not on an elevated area but with 1 trilocular pore at base. Clusters each with 3–12 (usually 8 on abdomen but with 3–5 on thorax and head) multilocular disc pores, each 8–9 µm in diameter; each cluster with a single oral collar tubular duct 10–13 µm long, 6.0–7.5 µm wide, in centre of each cluster, plus 0 or 1 minute discoidal pores, each 2.5 µm in diameter; with 36–40 clusters present on head, thorax and in addition on abdominal segments as follows: I 8 or 9, II 8 or 9, III 8–10, IV 11, V 11, VI 7 or 8, VII 6 or 7; VIII+IX none. Trilocular pores, each 2.5–3.0 µm in diameter, scattered throughout. Minute discoidal pores also scattered throughout, few.

Venter. Setae of 2 types: (i) slender hair-like setae, each 15–85 µm long, longest setae medially on head, and (ii) spine-like setae, each 7.5–8.0 µm long, present submarginally in rows. Apical setae of anal lobes 175–180 µm long. Multilocular disc pores, each 7.5–8.0 µm in diameter, present in clusters in middle of abdominal segments II–IV (18–20 clusters in total), and in a submarginal row on head, thorax and abdominal segments (each similar to dorsal clusters, with 3–5 multilocular disc pores and a single oral collar tubular duct in centre). Multilocular disc pores also present in rows on posterior abdominal segments as follows: V 2, VI 17–41, VII 46 –71, VIII + IX 40 –42. Quinquelocular pores, each 2.5–3.0 µm in diameter, scattered in middle of head, thorax and first 6 abdominal segments. Trilocular pores, each 2.5 µm in diameter, scattered throughout. Minute discoidal pores very few, each 2 µm in diameter, scattered throughout. Oral collar tubular ducts concentrated on body margin and in a single row on each segment, of 2 sizes: small oral collar tubular ducts, each 7.5–12.5 µm long, 2.5–3.5 µm wide, restricted to abdominal segments as follows: IV 2, V 44 –57, VI 48 –52, VII 28–38, VIII + IX 26–31; and larger oral collar tubular ducts, each 10.0–12.5 µm long, 6.0–7.5 µm wide, present in centre of each cluster.

Comments. Peliococcus globulariae can be distinguished from other species in the genus in having only 1 size of oral collar tubular duct in each cluster and each dorsal cluster with 3–12 multilocular disc pores. P. globulariae is closest to P. ro s a e but differs in having well-defined dorsal clusters on the abdominal segments, each with 8–12 multilocular disc pores, whereas clusters on P. ros a e are in ill-defined, fusing into rather wide bands.

Danzig & Gavrilov-Zimin (2014) used Fig. 6 as their figure 2.1.3-10.

Host plants. On Globularia alypum (Plantaginaceae) .

Distribution. France (Marseille).

Figures

FIGURE 6. Peliococcus globulariae Goux, paratype. Note: well-defined clusters on dorsum of abdominal segments, each with 8 – 12 multilocular disc pores and only 1 size of oral collar tubular ducts in each cluster, quinquelocular pores throughout most of venter, and 18 pairs of cerarii, each only lightly sclerotised.