Paralibiocoris hainanensis
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Ordo: Hemiptera
Familia: Aradidae
Genus: Paralibiocoris
Name
Paralibiocoris hainanensis Bai & Heiss & Cai, 2018 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type material
Holotype (♂): China, Hainan, Jianfeng, Tianchi, 810 m, 16.VIII.2007, Zhang & Bai; (EMIH). Paratypes: 2♂, China, Hainan, Changjiang, Bawangling, 13.IX.2008, Zhang W. J.; 2♂, 3♀ China, Hainan, Jianfeng, Tianchi, 810 m, 16.VIII.2007, Zhang & Bai; 3♂, China, Hainan, Tongzha, Wuzhishan, 6.V.2009, Zhang & Yang; ♂, China, Hainan, Wanning, Shimeiwan, 12.VIII.2007, Bai, X. S.; ♀, China, Hainan, Jianfeng, Nanya, 644 m, 22.VIII.2007, Bai, X. S. (EMIH); 2♂,2♀ collected with holotype (CEHI ex CAU).
Diagnosis
General aspect similar to Paralibiocorisheissi, but distinguished from the latter by the wider pronotum, 2.91 times as wide as long (2.80 in P.heissi) and more rounded less produced anterolateral lobes (produced and blunt), shorter antennae 1.89 times as long as width of head (2.1) and by posterolateral angles of deltg V to VII slightly protruding and rounded in female. Paralibiocorishainanensis sp. n. differs from P.roundangulus sp. n. and P.limuensis sp. n. by a different shape of the median ridge of meso- and metanotum (Figs 43, 45 vs. Figs 22, 24 and Figs 64, 66, respectively) and antennal segment I as long as III (III shorter than I).
Description
Male. Basic morphological structures as of P.heissi and other congeners. Head. Slightly longer than wide across eyes (0.8/0.78); antennae 1.89 times as long as width of head across eyes, length of antennal segments I to IV = 0.47, 0.24, 0.47, 0.30.
Pronotum. 2.91 times as wide as long (1.25/0.43); collar narrow; anterolateral lobes produced forward beyond collar as two (1+1) widely rounded granulate lobes; disc with a longitudinal median furrow flanked by 2 (1+1) large, subtriangular and smaller callosities, lateral margin granulate, converging anteriorly.
Mesonotum. Wider than pronotum (1.60/1.25); separated from metanotum by two (1+1) deep furrows laterally; across meso- and metanota medially with an elongate, smooth bottle - shaped plate as P.heissi, 1.63 times as long as wide (0.70/0.43).
Metanotum. Wider than mesonotum (1.80/1.60); separated from mtg I by a slightly sinuate thin sulcus.
Abdomen. Mtg I and II completely fused, disc depressed at middle with a flat rectangular sclerite separated from lateral ovate plates by deep furrows; tergal plate with a slightly elevated granulate ridge which is widest on mtg III, sloping posteriorly; pygophore elongate cordate, surface rugose (Figs 55, 56); parameres slender (Figs 57–59).
Venter. Vltg VII with a small shiny callus, near spiracle VII; spiracles II ventral, III–VIII lateral and visible from above.
Female. Morphological features similar to male but of larger size. Head slightly longer than wide across eyes (0.80/0.78); length of antennal segments I to IV = 0.46, 0.27, 0.46, 0.33; pronotum wider than long (1.27/0.43); width of mesonotum 1.60; bottle-shaped median thoracic plate 1.56 times as wide as long (0.67/0.43); width of metanotum 1.93.
Measurements
[in mm, ♂ (n = 9)/♀ (n = 4), holotype in parentheses]. Body length 3.65-4.2/4.2-4.55 (4.2); maximal width of abdomen 1.75-2.1/2.2-2.4 (2.1). Head length 0.7-0.8/0.75-0.8 (0.8), width 0.65-0.78/0.7-0.78 (0.78). Pronotum length 0.35-0.43/ 0.4-0.45 (0.43), width 1.05-1.25/1.2-1.3 (1.25). Mesonotum width 1.4-1.6/1.45-1.6 (1.6). Metanotum width 1.5-1.8/1.65-1.9 (1.8). Length of antennal segments I–IV = 0.44-0.47, 0.24, 0.44-0.47, 0.3/0.47, 0.24-0.27, 0.47, 0.3-0.34 (0.47, 0.24, 0.47, 0.3).
Etymology
The name refers to the Island of Hainan, the type locality.
Distribution
China (Hainan).
Original Description
- Bai, X; Heiss, E; Cai, W; 2018: The Oriental flat bug genus Libiocoris Kormilev, 1957 revisited: re-examination, synonymy, and description of a new genus (Heteroptera, Aradidae) ZooKeys, (789): 115-137. doi
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