Didelphialges metachirus, Grootaert, Patrick, 2013

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 : 67

Didelphialges metachirus sp. n.

( Figs. 53–55 )

Description. MALE (Holotype). Body 175 long and 150 wide. Dorsum. Dorsal shields covered by regularly spaced small rounded unsclerotized lacunae. Propodonotal shield 65 long. Hysteronotal shield 80 long. Most dorsal setae represented by microsetae. Setae cp and c3 sword-like. Venter. Posterior spur of coxal fields II weakly developed. Setae 1a, 3a, 4a, 4b, g, and ps3 —all filiform; setae ps2 slightly thickened; setae h3 and f2 sword-like. Adanal suckers about 8 in diameter. Legs. Legs III 120 long, legs IV 40 long. Membrane of genu III rounded. Seta d I about 2 times shorter than solenidion ω 3 I. Setae sR III almost reaching bases of kT III setae. Lengths of setae: cp 20, c3 and f2 about 25, e2, ps3, 3 a, 4a, and 4b —all 5–7, h2 120, h3 50, ps1 15, ps2 12, 1a 10, g 4, ω 1 I–II and ω 3 I about 25, φI 45, φII55, φIII 50, σ 1 I 23, σII 4, and σIII 9.

FEMALE. Unknown.

Type material. Male holotype ( UMMZ BMOC 86-0408 - 026 ) from Metachirus nudicaudatus, PERU: Madre de Dios, Rio Alto Madre de Dios, Hacienda Erica , opposite Salvacion , 3 May 1984, coll. P. Mayers (field number #4902) .

Holotype. Holotype is deposited in UMMZ .

Etymology. The species name is derived from the generic name of the host and is a noun in apposition.

Host range and distribution. This species is known only from the type host, Metachirus nudicaudatus from Peru (Madre de Dios) (present paper) .

Figures

FIGURE 53. Didelphialges metachirus gen. n., sp. n., male in dorsal view.

FIGURE 54. Didelphialges metachirus gen. n., sp. n., male in ventral view.

FIGURE 55. Didelphialges metachirus gen. n., sp. n., male legs in ventral view: A–D—I–IV, respectively.