Macroscytus utaranus J.A. LIS

Macroscytus utaranus J.A. LIS

(Figs 328­334)

Macroscytus utaranus J.A. LIS, 1991b: 309 , 1994a: 233.

DESCRIPTION

Body 6.85­7.81 mm in length, 3.68­4.05 mm in width, from brown to almost black; hemelytra, umbones and posterior margin of pronotum lighter in shade (from yellowish brown to brown).

Head dorsally at first glance looking impunctate, but bearing numerous almost indistinct punctures, lateral parts of paraclypei slightly wrinkled; clypeus subapically without a pair of setigerous punctures, each paraclypeus bearing submarginally a single preocular setigerous puncture (Fig. 329); ocular index 2.00­2.40; interocellar index 5.5­8.3; length of antennal segments (in mm): 0.30­ 0.40: 0.38­0.47: 0.49­0.53: 0.57­0.67: 0.71­0.78.

Pronotal transverse impression behind calli faintly developed (sometimes almost indistinct), bearing medially interrupted row of punctures; anterior lobe with distinct punctures forming subapical transverse band, and with irregular patch of punctures on either side; posterior lobe with several scattered punctures; lateral margins with 5­6 submarginal setigerous punctures (Fig. 328). Propleural depression with coarse punctures.

Scutellar disc with numerous coarse punctures; apex and base impunctate.

Clavus with one complete and two partial rows of punctures; mesocorial disc densely evenly punctate; exocorium sparsely punctate; costa narrow, almost entirely separated from exocorium, bearing 2­3 setigerous punctures (Fig. 328).

Male hind femora with several small teeth on ventral margin, and one distinct subapical tooth on dorsal margin, hind tibiae with small tubercles (Fig. 330); female hind femora with small subapical tooth on dorsal margin, hind tibiae without tubercles.

Abdominal sterna weakly, irregularly wrinkled; each segment with a triangular patch of dense fine punctures posterior to spiracles.

Male genitalia as in Figs 331­334.

TYPE DATA

Holotype male: Indonesia, Sulawesi Utara, Dumoga­Bone National Park ( ISNB) .

MATERIAL EXAMINED

Holotype, 3 paratypes and 9 other specimens: Indonesia: Sulawesi Utara, Dumoga­Bone Nat. Park , 3 paratypes ( IRSNB, UO) ; Sulawesi, Minahassa, Tomohon , 1 ex. ( BMNH) : Sulawesi Tengah, NW of Luwuk, Hanga­hanga , 1 ex. ( ZMA) ; N. Sulawesi, Dumoga Bone NP, Malibagu Rd. , 1 ex. ( NNML) ; Iles Moluques, Amboine , 1 ex. ( IRSNB) ; Luksag, Peleng Is. , 3 exx. ( NSMT, UO) ; E. Kalimantan, Balikpapan , 2 exx. ( NSMT) .

DISTRIBUTION

Indonesia (Borneo, Sulawesi, Ambon, Peleng).