Eriococcus venezuelaensis Foldi & Kozár, 2007

Foldi, Imre & Kozár, Ferenc, 2007, New species and new records of Eriococcus (Hemiptera, Coccoidea, Eriococcidae) from South America, Zootaxa 1573 (1), pp. 51-64 : 60-61

Eriococcus venezuelaensis Foldi & Kozár sp. nov.

Type material. Holotype, adult female on left side of slide, marked, plus one paratype adult female on right side: Venezuela, Zulia, near of Puerto Chama, on Cassia siamea (Caesalpiniaceae) , 28-X-1984, I. Foldi coll., (N° 9952–2) in MNHN.

Paratypes: same data as holotype, 10 adult females: 9 (N° 9952–2 (on right side of holotype slide), plus 9971–5, 10001-7–9) in MNHN, plus one (N° 10001-8) in PPI. Brazil, Paraná, Curitiba, on Eugenia jaboticaba (Myrtaceae) , 14-XI-1984, I. Foldi coll., 1 adult female (N° 10168–3) in MNHN.

ADULT FEMALE ( Fig. 5 ) described from 7 specimens

Mounted female. Body elongate oval, 2.25–2.38 mm long and 1.45–1.55 mm wide. Antenna 7 segmented, 207–243 µm long; antennal segments with few hair-like setae, longest 31 µm; length of segments (µm): I 30–38, II 25–29, III 46–51, IV 46–53, V 18–21, VI 15–19 and VII 27–32; apical segment setae each 45–48 µm long, plus 3 sensory falcate setae, longest 32 µm; 2 preapical segments each with a falcate sensory seta, 18–26 µm long. Frontal lobes well developed. Eye near margin on venter.

Venter. Labium 3-segmented, 100–115 µm long. Legs well developed. Prothoracic legs (lengths in µm): coxa 72–76, trochanter + femur 130–140, tibia 100–116, tarsus 115–120, claw 38. Mesothoracic legs (lengths in µm): coxa 72–74, trochanter + femur 200–215, tibia 121–125, tarsus 122–127, claw 38. Metathoracic legs (lengths in µm): coxa: 80–85, trochanter + femur 190–230, tibia 135–142, tarsus 130–142, tarsal digitules knobbed, each 53 long, claw 38–41, claw digitules each 42 long, slightly knobbed. Coxae with lines of microspines; metacoxae each with 10–12 large translucent pores; femur with 3 or 4 translucent pores dorsally on distal ent; trochanter with a long seta, about 110–120 µm long, plus a shorter seta about 45–50 µm long; claws with a denticle. Legs with few hair-like setae, longest 24 µm; tarsus with a sensory pore.

Disc pores each 3- or 5-locular, 6 µm in diameter, scattered medially on thorax, a few on head, and also in transverse rows 2–3 pores wide on abdomen. Peritremes of anterior spiracles each 33 µm wide. Hair-like setae variable in length, each 15–90 µm long, distributed medially on head and thorax, and in transverse rows on most abdominal segments. Microtubular duct absent. Macrotubular ducts each about 3–5 µm wide and 20– 25 µm long, sparse throughout. Cruciform pores each 4 µm wide, sparse on margin posteriorly to about abdominal segment VI, and on submargin on thorax. Anal lobes each with 3 hair-like setae.

Margin. Marginal spinose setae similar to those on dorsum but slightly smaller, sparsely distributed along margin, absent on posterior 3 abdominal segments.

Dorsum. Dorsal setae spinose, strong, broad at base, each 26–55 µm long, in a band along margin of abdomen and in rows 2–3 setae wide in bands across rest of dorsum. Shorter setae, each about 20–22 µm long, scattered on submargin of thorax. Macrotubular ducts each 5 µm wide and 24–26 µm long, sparse throughout. Microtubular ducts each 5 µm long, without a bifurcated opening, scattered among dorsal spinose setae. Disc pores absent. Anal ring with pores and 8 hair-like setae, each 92–102 µm long. Anal lobes membranous, about as long as wide, each with two spinose setae along inner margin and one spinose seta on outer margin; each anal lobe with an apical seta 190–215 µm long. Suranal setae hair-like. Median sclerotised plate absent.

Etymology. The species is named after the country ( Venezuela) in which the holotype was collected.

Distribution and Host plants. Brazil, Paraná, Baccharis dracunculifolia (Compositae) , Eugenia jaboticaba (Myrtaceae) . Venezuela, Zulia, Cassia siamea (Caesalpiniaceae) .

Comment. E. venezuelaensis is similar to E. jorgenseni ( Morrison, 1919) and E. maximus in the arrangement of the spinose setae on the dorsum and in the arrangement of cruciform pores on the venter. However, E. venezuelaensis differs from the latter two species in having fewer coxal pores (10–12), fewer cruciform pores and a greater density of dorsal spinose setae. E. venezuelaensis also has 14–16 setae across each of the two posterior abdominal segments, whereas E. jorgenseni and E. maximus have 22–28. In addition, there are large differences in the size of appendages; for example, the length of the trochanter + femur on E. venezuelaensis is about 190–230 µm, whereas those on E. jorgenseni and E. maximus are 293–336 µm long.

Figures

FIGURE 5. Adult female Eriococcus. venezuelaensis Foldi & Kozár sp. nov. Where A = dorsal macrotubular duct; B = dorsal microtubular duct; C = spinose seta; D = trilocular pore; E = 5-locular pore; F = ventral macrotubular duct; G = metathoracic claw with denticle and digitules; H = cruciform pore; I = short ventral seta; J = antenna.