Megalofaciatus foliotibialis Taszakowski, Kim & Herczek, 2021

Taszakowski, Artur, Kim, Junggon, Damken, Claas, Wahab, Rodzay A., Herczek, Aleksander & Jung, Sunghoon, 2021, A remarkable new genus and two new species of the Gigantometopini (Hemiptera Heteroptera, Miridae, Isometopinae) from Brunei, Zootaxa 4970 (1), pp. 171-181 : 175-176

Megalofaciatus foliotibialis Taszakowski, Kim & Herczek sp. nov. ( Figs 1–3 )

Diagnosis. Recognised by the head height 2.2 times the width; vertex as wide as four times minimal distance between eyes (in frontal view); frons pale with longitudinal dark stripes; antennal segment II mostly pale, the apical part dark, and as long as 1.23 times segment III.

Description. Male. Dorsum partly dark and pale brown, glossy, covered by erect, long and shiny, silvery setae ( Figs 1A, B ). Head: pale with reddish compound eyes, dark ocelli, and dark longitudinal stripes, height 2.2 times width; vertex pale brown, tinged with reddish, slightly concave between ocelli, four times as wide as minimal distance between eyes (in frontal view) ( Fig. 1C ); frons pale with a total of four longitudinal dark stripes; gena pale brown ( Figs 1B, C ); antennae mostly brown and cylindrical; segment I dirty yellow, segment II brown, with apical part dark brown, segments III and IV yellowish brown; the proportion of antennal segments 0.18: 1.55: 1.26: 0.45; labium mostly brown and shiny, reaching abdominal segment II; segment I reddish-brown; apical part of segment III yellowish-brown; apical part of segment IV brown except yellow-brown apex ( Fig. 1B ); the proportion of labial segments 0.70: 0.71: 0.55: 0.66. Thorax: pronotum mostly dark brown with silvery setae at the middle, anterior part mostly overlapping with calli region, separated by depressed punctures, posterior part paler to posterior margin and deeply punctate; calli region dark brown and glossy with few punctures; mesoscutum dark brown, depressed; scutellum brown, with apex pale and small dense punctures; pleura dark brown and glossy, with dense punctures ( Fig. 1B ); ostiolar peritreme ivory, evaporative area dark brown ( Fig. 1B ). Hemelytron: mostly hyaline with dark punctures and brownish veins; corium covered with brown setae originating from within punctures; claval and R+M veins with densely dark punctures; embolial margin clear, with short, sparse setae, inner and outer margin with tiny dark punctures posteriorly; cuneus semitransparent, dirty yellow; membrane transparent with two dark cells. Legs: coxae brown; forefemur pale with a brownish base, an annulation on distal third, and a reddish apex; foretibia brown, with apical part pale; foretarsus brown; midfemur pale brown with brown annulation subapically, tinged with reddish at apex; midtibia brown, tinged with reddish basally, paler apically; midtarsus brown; hindleg mostly dark brown, hindfemur mostly reddish dark brown except pale basal part; hindtibia reddish dark brown except for the pale apical part, broadly developed, leaf-shaped, narrowing apically; hindtarsus brown ( Fig. 1A ). Abdomen: brown, covered with golden setae ( Fig. 1B ). Genitalia: left paramere scythe-shaped, with a long, vertically curved hypophysis and a broad sensory lobe, hypophysis tapered to the apex and as thick as neck diameter, sensory lobe with long, sparse setae; right paramere scythe-shaped, hypophysis thin and rounded apically, sensory lobe as broad as two times neck diameter ( Figs. 3A, B ); endosoma membranous, membrane part with small spinules ( Fig. 3C ).

Female. Unknown.

Measurements: given in Table 1 and 2.

Etymology. Adjective derived from Latin noun folium—“leaf” and tibia—“leg”.

Biology. Unknown.

Material examined. Holotype (♂): ’ Borneo , Brunei, Labu FR. / Mixed peat forest, highway transect / SLAM trap in canopy, ca. 7-10m height / 13.xii.2013; leg: C.Damken / N 4° 45’ 52” E 115° 9’ 58” // ID code: labu.02000’. The holotype is deposited in the UBDM.

Figures

FIGURE 1. Megalofaciatus foliotibialis: dorsal (A) and lateral view (B), head in frontal view (C).

FIGURE 2. Megalofaciatus foliotibialis: femur of the middle leg in ventrolateral view, showing trichobothrial pattern (A), the femur of the hind leg in ventral (B) and ventrolateral views (C), showing trichobothrial pattern, tarsus of the hind leg, dorsolateral view (D), pretarsus of the foreleg, lateral view (E), hind leg (F).

FIGURE 3. Male genitalia of Megalofaciatus foliotibialis: left paramere (A), right paramere (B), aedeagus in dorsal view (C).