Listropsoralgoides surinamensis Fain and Lukoschus, 1970

Grootaert, Patrick, 2013, Revision of the family Listropsoralgidae Fain, 1965 (Acariformes: Sarcoptoidea) - skin parasites of marsupials and rodents 3611, Zootaxa 3611 (1), pp. 1-69 : 45-48

Listropsoralgoides surinamensis Fain and Lukoschus, 1970

( Figs. 33–38 )

Listropsoralgoides surinamensis Fain and Lukoschus, 1970: 50 , figs. 1–3.

Redescription. FEMALE (3 paratypes). Body 210–230 long and 140–155 wide. Gnathosoma . Ventral retrorse spurs of subcapitulum triangular. Dorsum. Dorsal shields with dotted ornamentation. Propodonotal shield about 50 long. Hysteronotal shield about 100 long. All dorsal idiosomal setae very short, about 3. Setae d1 located only slightly anterior to level of setae e2. Venter. Epigynum about 30 wide. Retrorse spur of coxal fields III distinct and triangular. Coxal fields IV with internal membrane bearing retrorse triangular spur. Setae cp spur-like, replaced ventrally. Setae h3, ps2, and ps3 only slightly thickened, and setae h2 sword-like. Setae 4b and 4a subequal, their bases situated on short longitudinal sclerotized band. Setae 4a located slightly anterior to level of seta g bases. Opisthogastric shield monotonously sclerotized, without striations; length and width of this shield subequal, about 40 long. Legs. Setae d I subequal in length to solenidion ω 3 I. Legs III about 70 long. Pretarsi III moderately developed. Legs IV about 45 long. Pretarsi IV with ambulacral disc. Lengths of setae: cp and c3 about 10, h2 23–27, h3 6–7, ps2 8–9, ps3 11–12, 4a, 4b, and g —all 10–12, 1a 12–13, 3a 18–20, ω 1 I and II, ω 3 I 16–17, φI and II 33–35, φIII 6, φIV 2–3, σ 1 I 6–7, σII 3–4, and σIII about 3.

MALE (paratype). Body 170 long and 125 wide. Gnathosoma . Ventral retrorse spurs of subcapitulum triangular. Dorsum. Dorsal shields with dotted ornamentation. Propodonotal shield 55 long. Hysteronotal shield 80 long, covered in posterior half by distinct longitudinal striae. Posterior margin of hysteronotal shield shallowly concave. Setae h1 situated on unsclerotized lacunae. Setae cp 85 long and 5 wide in their bases, all other dorsal setae minute, about 3 long. Venter. Retrorse spur of coxal fields III distinct. Fleshly projections bearing setae h2 present. Setae h3 situated at small tubercles. Diameter of adanal suckers 6. Legs. Legs III about 90 long. Legs IV about 40 long. Lengths of setae: c3, h3, ps2, ps3, 1a, and 3a —all 8–10, h2 26, 4a and 4b about 5, g 3, ω 1 I and II, ω 3 I 14, φI and II 33–36, φIII 12, φIV 21, σ 1 I 8, σII 6, and σIII 7.

FEMALE TRITONYMPH (2 paratypes). Idiosoma 175–180 long and 140 wide. Gnathosoma . Ventral retrorse spurs of subcapitulum triangular. Dorsum. Dorsal shields covered by dotted ornamentation, distinctly separated from each other. Propodonotal shield with pair of lateral lobes at level of leg II insertions. All dorsal idiosomal setae short, 4–6 long. Setae d2, e1, and e2 located on hysteronotal shield. Setae h2 short, 8–9 long.

Type material examined. Three female, 1 male and 2 tritonymph paratypes ( IRSNB) from Proechimys guyannensis , SURINAME: Saramacca Distr., Kampong Baroe Restort, Uitkijk , 05°46'S, 55°20W, 8 January 1970, coll. F.S. Lukoschus.

Holotype deposition. Holotype (not examined) is deposited in RNH .

Host range and distribution. This species is known only from the type host, Proechimys guyannensis from Suriname ( Fain & Lukoschus 1970) .

Figures

FIGURE 33. Listropsoralgoides surinamensis Fain and Lukoschus, 1970, female in dorsal view.

FIGURE 34. Listropsoralgoides surinamensis Fain and Lukoschus, 1970, female in ventral view.

FIGURE 35. Listropsoralgoides surinamensis Fain and Lukoschus, 1970, male in dorsal view.

FIGURE 36. Listropsoralgoides surinamensis Fain and Lukoschus, 1970, male in ventral view.

FIGURE 37. Listropsoralgoides surinamensis Fain and Lukoschus, 1970, legs in ventral view: A—female leg I; B—same, leg III; C—female genu-tarsus III; D—female tibia and tarsus IV, E—male, tibia and tarsus III; F—same, IV.

FIGURE 38. Listropsoralgoides surinamensis Fain and Lukoschus, 1970, tritonymph: A—idiosoma in dorsal view; B—in ventral view.