Xenorhyncocoris caraboides Miller, 1938

Chen, Zhuo, Liu, Yingqi & Cai, Wanzhi, 2021, Taxonomic review of Xenorhyncocoris Miller (Heteroptera: Reduviidae: Ectrichodiinae), with description of X. attractivus sp. nov. and notes on sexual dimorphism of the genus, European Journal of Taxonomy 746 (1), pp. 26-49 : 31-33

Xenorhyncocoris caraboides Miller, 1938

Figs 1–11

Xenorhyncocoris caraboides Miller, 1938: 135 . Holotype (♀): Indonesia, Bengkulu, NHMUK.

Xenorhyncocoris caraboides – Cook 1977: 70. — Maldonado Capriles 1990: 78. — Putshkov & Bérenger 1999: 92.

Diagnosis

Only micropterous female known. Body length about 37 mm; brown; head 2.2 times as long as pronotum; anteocular part 1.3 times as long as postocular part; labial segment II 1.9 times as long as segment III, surpassing posterior margin of eye, strongly curved dorsally, closing to ventral surface of head; pronotum 1.1 times as broad as its length, anterior lobe moderately swollen, posterior lobe 1.1 times as broad as anterior lobe; prosternum almost reaching posterior margins of mid coxal cavities; scutellum suberect; fore wing reaching apical ⅔ of scutellum.

Material examined

Holotype

INDONESIA • ♀; Bengkulu, Lebong Tandai; 3.04107° S, 101.98170° E; 1920–1923; C.J. Brooks leg.; NHMUK 013587632 .

Redescription

Micropterous female

MEASUREMENTS [in mm, n = 1 (holotype)] ( Figs 1–3 ). Length of body (to apex of abdomen) = 36.70; length of head = 11.80; length of anteocular part = 5.40; length of postocular part = 4.20; maximum width of head = 5.00; width across eyes = 3.90; interocular space = 2.00; length of antennal segments I–IV = 4.70, 6.50, 1.90,? (missing); length of labial segments II–IV = 9.00, 4.75, 3.00; length of pronotum = 5.40; length of anterior pronotal lobe = 3.60; length of posterior pronotal lobe = 1.80; width of anterior pronotal lobe = 5.50; width of posterior pronotal lobe = 5.90; median length of scutellum = 1.30; basal width of scutellum = 3.10; apical prongs space = 1.50; length of fore femur, tibia, tarsus = 9.40, 8.70,? (missing); length of mid femur, tibia, tarsus = 8.70, 8.20, 2.30; length of hind femur, tibia, tarsus = 11.50, 11.50, 2.40; length of fore wing = 1.40; length of abdomen = 17.80; maximum width of abdomen = 12.90.

COLORATION. Body generally brown; apical half of valvifer I light brown. Other body parts as in generic description.

STRUCTURE. Body shape and vestiture as in generic description. Head ( Figs 5–8 ) 2.2 times as long as pronotum, 2.35 times as long as its maximum width; anteocular part 1.3 times as long as postocular part; antennal scape 0.9 times as long as anteocular part; labial segment II 1.9 times as long as segment III, distinctly surpassing posterior margin of eye, with apical ¾ strongly curved dorsally, approaching ventral surface of head ( Fig. 6 ); labial segment III strongly inflated ( Figs 6–7 ). Pronotum ( Figs 5–6 ) 1.1 times as broad across humeral angles as its length; anterior lobe two times as long as posterior lobe, moderately swollen dorsally; posterior lobe 1.1 times as broad as width of anterior lobe; prosternum ( Fig. 7 ) almost reaching posterior margins of mid coxal cavities; scutellum ( Fig. 9 ) broad, suberect, with apical prongs short. Fore wing ( Fig. 9 ) scale-like, reaching apical ⅔ of scutellum. Abdomen ovoid, 1.4 times as long as its maximum width.

FEMALE GENITALIA ( Figs 10–11 ). As in generic description.

Male

Unknown.

Distribution

Indonesia (Bengkulu: Lebong Tandai).

Figures

Figs 1–4. Xenorhyncocoris caraboides Miller, 1938, holotype, ♀ (NHMUK 013587632), habitus. 1. Dorsal view. 2. Lateral view. 3. Ventral view. 4. Labels. Scale bar: 1–3 = 5.00 mm.

Figs 5–11. Xenorhyncocoris caraboides Miller, 1938, holotype, ♀ (NHMUK 013587632). 5. Anterior part of body, dorsal view. 6. Same, lateral view.7. Same, ventral view.8. Head, dorsal view.9. Scutellum, dorsal view. 10. Posterior part of abdomen, ventral view. 11. Same, caudal view. Scale bars: 5–7, 10– 11 = 3.00 mm; 8–9 = 2.00 mm.