Apolygus rubrifasciatus Kim et Jung

Kim, Junggon & Jung, Sunghoon, 2016, Two new species of the genus Apolygus China (Hemiptera: Heteroptera: Miridae: Mirinae) from the Korean Peninsula, with a key to Korean Apolygus species, Zootaxa 4137 (4), pp. 592-598 : 593-595

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Apolygus rubrifasciatus Kim et Jung

sp. nov.

Apolygus rubrifasciatus Kim et Jung sp. nov.

( Figs. 1 View FIGURE 1 A, 2 A–E)

Diagnosis. Differs from other species of Apolygus as follows: body generally brownish orange; apical part of second antennal segment dark brown; lorum with reddish marking; rostrum almost reddish brown; dark band of posterior part of corium distinctly narrow; paracuneus dark brown; cuneus with distinct reddish band; femur brown tinged with red in apical half ( Fig. 1 View FIGURE 1 A); apex of hypophysis of left paramere blunt ( Fig. 2 View FIGURE 2 A); apex of hypophysis of right paramere sharp and coiled ( Figs. 2 View FIGURE 2 B–C); vesica membranous with one spicule and five sclerites; wing-shaped sclerite long; apical part of ventral sclerite extremely thin and sharp; lateral sclerite curved at apical part; sublateral sclerite broad ( Figs. 2 View FIGURE 2 D–E).

Description. Male: Body elongated–oval, length 4.29. COLORATION: almost brownish orange. Head: almost brown; compound eyes dark brown; antennae generally dark brown; first antennal segment pale brown except for its dark apex; basal part of second antennal segment pale brown, 1 / 4 apical part dark brown; base of third antennal segment pale brown; tylus entirely dark brown; lorum with reddish marking; rostrum almost reddish brown; base of first rostral segment with dark marking; apical part of fourth rostral segment dark brown. Thorax: pronotum fuscous brown, anterior part of pronotum somewhat pale; scutellum brown; hemelytra generally brown; anterior part of clavus dark brown; anterior part of corium dark brown, posterior part of corium dark brown narrowly, outer margin somewhat larger; paracuneus dark brown; cuneus pale brown, apex of cuneus dark brown with distinct reddish band; membrane grayish; legs almost brownish orange; 1 / 2 apical part of femur sanguineous; apex of tibia slightly darker; third tarsal segment dark brown. Abdomen: orange brown tinged with red laterally. SURFACE AND VESTITURE: body covered with pubescence; head covered with somewhat sparsely short pubescences; first antennal segment with short suberect setae; pronotum with punctures and covered with sparse pubescences; scutellum covered with pubescences; hemelytra with punctures and covered with pubescences; tibia with dark spines originated on dark spot. STRUCTURE: Head: vertex width shorter than length of first antennal segment, vertex width as long as width of compound eye; antennae cylindrical; first antennal segment thicker than others; second antennal segment slightly thicker gradually toward its apex; proportion of first to fourth antennal segments 0.4: 1.3: 0.7: 0.5; rostrum not exceeding hind coxae; proportion of first to fourth rostral segments 0.3: 0.4: 0.3: 0.4. Thorax: pronotum trapezoid, posterior margin of pronotum rounded; scutellum equilateral; mesoscutum slightly depressed; lateral margin of hemelytra rounded; cuneal fracture developed; membrane with two cells; legs generally slender; hind femur somewhat thick; tibia slender. Abdomen: rounded, reaching to apex of cuneus. GENITALIA: genital segment appearing triangular in shape with asymmetric parameres ( Figs. 2 View FIGURE 2 A–C); left paramere with long setae, apex of hypophysis blunt ( Fig. 2 View FIGURE 2 A); right paramere with somewhat long setae, hypophysis long and its apex sharp and coiled ( Figs. 2 View FIGURE 2 B–C); vesica membranous with one spicule and five sclerites; needle-shaped spicule (ns) approximately as long as wing-shaped sclerite; median sclerite (ms) somewhat thin; wing-shaped sclerite (ws) elongated with tiny teeth laterally; ventral sclerite (vsc) much longer than ws, its apex extremely thin; sublateral sclerite (sls) broad with minute teeth at its margin; lateral sclerite (ls) somewhat narrow and curved at apex ( Figs. 2 View FIGURE 2 D–E).

Female: Unknown.

Measurements (in mm): Male (n= 1): Body length, tylus-apex of membrane: 4.29; head length, excluding collar: 0.31; head width, including compound eyes: 1.04; vertex width: 0.35; 1 st antennal segment length: 0.41; 2 nd antennal segment length: 1.30; 3 rd antennal segment length: 0.75; 4 th antennal segment length: 0.48; total antennal length: 2.94; 1 st rostral segment length: 0.36; 2 nd rostral segment length: 0.40; 3 rd rostral segment length: 0.30; 4 th rostral segment length: 0.46; total rostral length: 1.52; mesal pronotal length: 0.86; basal pronotal maximal width (straight): 1.67; anterior scutellum width: 0.70; mesal scutellum length: 0.97; outer embolial margin length: 1.96; outer cuneal margin length: 0.82; maximal width across hemelytron: 1.00; foreleg (femur: tibia: tarsus): 0.85: 0.92: 0.40; mid leg (femur: tibia: tarsus): 1.02: 1.32: 0.42; hind leg (femur: tibia: tarsus): 1.53: 2.04: 0.50.

Distributions. Korea (Central)*.

Hosts. Unknown.

Etymology. From Latin rubrica (red, sanguineous) combined with fascia (band, marking), referring to distinct reddish band of cuneus; an adjective.

Materials examined. Holotype: [ CNU] 1 ♂, Wondang-ri, Jangnam-myeon, Yeoncheon-gun, Gyeonggi-do, Korea, 11.viii. 2015, by light trap, JG Kim.

Discussion. This species is similar to A. subpulchellus in appearance, but can be distinguished by cuneus with reddish marking and different type of vesica: with needle-shaped spicule ( A. subpulchellus without needle-shaped spicule), wing-shaped sclerite shorter than ventral sclerite, lateral sclerite narrow (see Yasunaga (1992 b) for A. subpulchellus ). This species is also similar to A. pulchellus in appearance, but can be distinguished by lorum with red spot and differences of vesica: wing-shaped sclerite and ventral sclerite narrow, lateral sclerite curved subapically (see Yasunaga (1992 b) for A. pulchellus ). This species is attracted by light trap. Other biological information is unavailable.


Chonbuk National University