Polymerus (Pachycentrum) unciniger Gapon, 2014, sp. nov.
3. Polymerus ( Pachycentrum ) unciniger sp. nov. (Figs 2 C; 3 B; 4 С; 8; 40 C) Material examined. Holotype . Russia : Altai Republic : bank of Teletskoe Lake, 21 June 1912 (Yurganova), male* (ZISP). Paratypes . Ukraine : Crimea : Bel’bek station of Sevastopol Railway [Fruktovoe Settlm.], 19...
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Zenodo
2014
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| Online Access: | https://dx.doi.org/10.5281/zenodo.5079585 https://zenodo.org/record/5079585 |
| Summary: | 3. Polymerus ( Pachycentrum ) unciniger sp. nov. (Figs 2 C; 3 B; 4 С; 8; 40 C) Material examined. Holotype . Russia : Altai Republic : bank of Teletskoe Lake, 21 June 1912 (Yurganova), male* (ZISP). Paratypes . Ukraine : Crimea : Bel’bek station of Sevastopol Railway [Fruktovoe Settlm.], 19 May1897 (N. Kuznetsov), 1 female; Simferopol Distr., Taushan-Bazar [Privolnoe], 8, 9, 15, 29 June 1907 (Pliginskiy), 4 June 1907 (Kiritschenko) 11 males *, 9 females *; Tavel’ Settlm, 1 June 1907 (Kiritschenko), 2 males; Dzhalman [Krasnoles’e] Settlm., May 1910 (Kiritschenko), 1 female; Agarmysh, 15, 23, 28 May, 2 June 1906 (Jakovlev), 15 June 1906 (Kiritschenro), 2 males *, 6 females *; Suuk-su cape near Gurzuf, 14 July 1948 (K. Arnoldi), 1 female; Margala 800 m near Gurzuf, 20 June 1948 (Arnoldi), 1 male, 2 females; “ Shakh-Mama ”, 12 May 1906 (Jakovlev), 2 females *; Lugansk Prov .: Stanitsa Luganskaya, 23 June 1929 (Talitskiy), 1 male *, 2 females; Nyrkovo–Vyemka, steppe, 10 July 1940 (Arnoldi), 1 female; “Donskaya Prov., Novocherkassk Distr.”, Proval’e Settlm., 16 June 1933 (Talitskiy), 1 male * (ZISP). Russia : Nizhniy Novgorod Prov ., Borskiy Distr, Pamyati Parizhskoy Communy Settlm., 18 July 1979 (T. Khrynova), 1 male *; Samara Prov .: Saratov Reservoir, Podzhabiy I., 28 June 2008 (I.V. Duzhaeva), 3 males *, 1 female; Saratov Prov .: “Samarskaya Govern.”, Pugachevsk [Pugachev], bank of Irgiz Riv., 20 June 1925 (D’yakonov), 2 males *, 2 females; Voronezh Prov ., Kalach, 27 May, 5 June1934 (Gudim), 2 males *, 2 female *; Kamennaya Step’ preserve, 11 km S of Talovaya Settlm, 26 June 1949 (Stark), 1 female; Krasnodar Terr . Markotkh mountain ridge near Gelendzhik, 15 July 1956 (Kurcheva), 1 male *; Pshaor mountain ridge, Goryachiy Kluch, 16 June 1956 (K. Arnoldi), 4 males *, 1 female; Republic of Adygea : Maykopskiy Distr., nr. Nikel’ Settlm., 21, 22 June 2000 (D.A. Gapon), 1 male *, 1 female; Republic of Dagestan : Derb [ent] (V. Jakovlev), female; Orenburg Prov .: near Orenburg, 13 – 14 June 1924 (A.I. Ivanov), 1 male *, 2 females; Chelyabinsk Prov., “Troitskiy Uezd”, Berlinskiy—Tarutin [Berlin Settlm.], 6 June 1916 (N. Kuznetsov), 3 females; Tumen’ Prov .: Tobol’sk Distr.: Durynina Will., 27 June 1929 (Samko), 1 male *; Altay Terr .: “Tomskaya Govern., Zmeinogorskiy Uezd”, valley of Belaya Riv., 15 – 20 June 1910 (Tomin), 1 female; Tigirekskiy Nat. Ress., N51°07′ E82°59′, 5–7 July 2009 (A. Knyshov), 6 males *, 7 females; Kemerovo Prov .: “Tomskaya Govern., Mariinskiy Uezd”: Berchikul’ Lake, 14, 15, 19 July 1911 (Gorchakovskiy), 3 males *, 6 females *; Tisul’, 16, 30 June, 7, 11 July 1911 (Gorchakovskiy), 2 males *, 6 females; Altai Republic : Artybash Settlm., S bank of Teletskoe Lake, 16 June 1909 (Emel’yanov), 1 male *; Dzhaylau tract, N bank of Teletskoe Lake, 11 June 1901 (Ignatov), 1 female; Khakassia Republic : Veselaya Riv., right tributary of Balyksa Riv. in upper reach of Tom’ Riv., 5 July 1908 (Khvorov), 1 male *; confluence of Balyksa Riv. and Tom’ Riv., 1908 (Khvorov), 1 female; confluence of Magaza Riv. and Balyksa Riv. in upper reach of Tom’ Riv., 19 June 1908 (Khvorov), 1 female; mouth of Matur Riv, tributary of Abakan Riv., 30 June 1897 (Yu. Wagner), 1 male *; Krasnoyarsk Prov .: Kozul’ka station, 66 km O of Achinsk, 22 July 1936 (Luk’yanovich), 1 female; Tyva Republic : Fedorovka Settlm., left bank of Kaa-Khem Riv., 19 July 1949 (Perevozchikova), 1 male * 1 female; Irkutsk Prov .: Tayshet, 4 July 1940 (Barovskiy), 1 female; Sakha Republic : Tamma Riv., left tributary of Lena Riv., c. 40 km S of Yakutsk, 4 June 1973 (Vinokurov), 1 male *, 1 female; near Khorintsy, Lena Riv. (ZISP). Azerbaijan : Khachmaz, 28 May 1935 (Lubishchev), 1 male * (ZISP). Kazakhstan : West Kazakhstan Prov .: Yanvartsevo Settlm., right bank of Ural Riv., 22 June 1950 (Romadina), 1 male *; Solyanka Riv., left tributary of Ural Riv., 3 – 5 July 1949 (L. Arnoldi), 9 July 1949, 6 June 1959 (Romadina), 4 males *, 7 females *; left bank of Dergul Riv., 3 km NW of Kuznetsov, 22 June 1949 (Arnoldi), 1 female; Akmola Prov .: “Kokchetayskiy Distr.”, “Borovsk. les. tekh.”, 30 June, 11, 12 July 1932 (V. Popov), 3 males *; East Kazakhstan Prov ., “Semipalatinsk Distr.”, Irtysh Riv., 22 May 1910 (Karavaev), 1 female (ZISP). Some females are included in this species conditionally; perhaps some of them belong to P . nigrita . Diagnosis. This species differs from P . carpathicus by yellow tibiae, preapical spots on fore femora and basal stripe on cuneus. Its differences from P . nigrita consist in structure of male terminalia only. Males are easily recognised by left paramere hypophysis with superior margin less deeply concave before apex and less convex in posterior part from lateral view than in P . nigrita , with low, invisible from exterior view carina on superior margin of internal wall, and with narrow, straight, pointed apex from superior view; by vesica with short, broadly triangular posterior spicule, medial spicule with apex lying in sagittal plane of its body and looking like hook with wide base and acutely elongated apex, and with anterior left lobe, one branch of which directed upwards, other directed downwards. Description. Length 4.20–5.05 in males and 4.60–5.30 in females. Vestiture and colouration of body (Fig. 40 C) as in P . nigrita . Right paramere (Fig. 2C) with obconic body. Left paramere (Figs 3 B; 4 C). Superior margin of hypophysis from lateral view less convex in posterior part and concave before apex than in P . nigrita . Apex from superior narrow, straight. Carina on superior margin of internal wall of hypophysis low, not visible from external view. Vesica (Fig. 8). Anterior and left branches of anterior left lobe directed upwards and downwards, respectively. Anterior branch wide, shorter, left one very short and wider than in previous species. Spinulate sclerite on inferior wall of anterior left lobe as in P . nigrita . Posterior left lobe of same length as in P . carpathicus , narrow, directed to left and anteriad, more or less curved to right. Inferior wall of this lobe without sclerotization. Supragonoporal area of sclerotization small, located only behind dorsal margin of secondary gonopore between bases of left anterior and posterior lobes. Posterior right lobe slightly constricted in middle. Basal sclerite on right-inferior wall of this lobe of same width and shape as in P . nigrita , not or almost reaching lobe apex. Posterior spicule very short, broadly triangular, weakly sclerotised. This spicule unusually long in one studied specimen from Azerbaijan (Khachmas). Apical part of medial spicule located in sagittal plane of spicule body and looking like large hook with wide base and acute, rather long apex directed posteriad and to right. Posterior surface of spicule apex without carina. Left wall of posterior part of vesica and posterior bladder as in P . nigrita . Weakly sclerotised field on right wall of vesica before posterior bladder without carina. Gynatrium as in P . nigrita . Posterior margin of tectal sclerite always with small medial notch. Lateral parts of dorsal margin of interramal sclerite sometimes dipper concave than it the latter species. Etymology. The name of this species is an adjective derived from the Latin word uncinus (hook) and the element -ger (-bearing) from the verb gero (to bear, to carry). The name reflects the shape of the medial spicule on the vesica in this species. Distribution (Figs 17; 18). Spain (?), Ukraine, Russia (Central and South European Territories, East and West Siberia), Azerbaijan, Kazakhstan. Distribution in Europe and China needs to be clarified. Figure of the left paramere of P . nigrita from Spain in the paper of Pagola-Carte et al. (2004) is very similar to the left paramere of P . unciniger sp. nov. Therefore it is possible to assume that the latter species is distributed in southern Europe. The distribution of P . unciniger is sympatric with P . nigrita but distinctly has a propensity for the southern part of the common natural habitat of the both species; only in Yakutia it is advancing further to the north. Subgenus Polymerus Hahn, 1831 Diagnosis. Males are differing from those of Pachycentrum subgen. n. by vesica with longitudinal carina and sclerotised field on right wall of large posterior right lobe; with spiculose plate on anterior right bladder; without spinulate sclerite on anterior left lobe; with relatively long left branch of last lobe covering secondary gonopore superiorly; with long postposterior left lobe; and with needle-shaped medial spicule. Females are different from those of previous subgenus by tectal sclerite widely desclerotised medially, with rather long prominences of its posterior margin; and by sclerotised anterior walls of interramal lobes. Colouration of body in Polymerus s. str. as in Pachycentrum subgen. n. , without large yellow patches on scutellar apex and anterior corner of corium in contrast to subgenus Poeciloscytus . The lateral margins of hemelytra in females of the nominotypical subgenus are frequently more convex than in Poeciloscytus . Notes on diagnosis. The degree of curvature of the claws mentioned by Reuter (1886) in distinguishing Polymerus and Poeciloscytus is not a diagnostic feature. Redescription. Vestiture and colouration (Fig. 40 D–J). Body black, its surface matted or shiny. Antennae black-brown or at least partly yellow. Small transverse spot near internal margins of eyes, very narrow strip on posterior margin of pronotum, longitudinal small spot on corium just behind apex of clavus, narrow strip on posterior margin of corium, extreme apex of cuneus, narrow edging at margins of coxal cavities of meso- and metathorax yellow. Margins of fore coxal cavities very often also narrowly yellow. Pale strip on posterior margin of pronotum often interrupted in middle or absent. Apex of cuneus can be black. Posterior margins of pro- and mesopleurites in their basal parts with fine yellowish strip. Femora entirely or in their apical fourth yellow, with brown spots or rings before apices, or black with one or two yellow rings or spots before apices. Tarsi yellow, apices of their third segments blackened. Vesica (Figs 10–12) greater than in Pachycentrum subgen. nov. Anterior right bladder more convex, with clearly delimited base. Surface of this bladder with large spiculose plate covered with small denticles and consisting of short and wide superior and long and narrow inferior parts. Vestige of anterior spicule on superior wall of vesica before and above anterior right bladder present or absent. Anterior left lobe with three short branches. Left branch of this lobe touching superior branch of posterior left lobe. They together with inferior branches of both lobes forming short canal closed laterally and superiorly but open below. Spinulate sclerite on inferior surface of anterior left lobe absent. Short broad membranous tubercle directed downwards usually located at place of this sclerite. Posterior left lobe with two branches. Supragonoporal area of sclerotization large. Subgonoporal plate surrounds secondary gonopore, with group of triangular denticles under it. Postposterior left lobe long, curved posteriad. Posterior right lobe long, wide, tapering distad, directed anteriad and to left, with pointed apex. Basal sclerite on right-inferior surface of this lobe distinctly not reaching lobe apex. Right wall of posterior right lobe strongly convex basally and with longitudinal carina usually surrounded by sclerotised field. Posterior spicule long, narrow, directed anteriad and to left. Medial spicule acicular, long, in basal part directed to left, in middle sharply bent posteriad and more or less strongly curved to right before apex. Extreme base of medial spicule rather small, roundish. Sclerotised walls of superio-posterior spicule covered with spinulae directed apicad. Posterior bladder with distinct (more clearly visible from superior view) rounded posterior apex on right side, directed anteriad and lying over right wall of vesica. Membranous tubercle on left wall of posterior part of vesica absent. Gynatrium (Fig. 16). Anterior vestibular sclerites oval or narrowed posteriorly. Tectal sclerite widely desclerotised along midline. Medial prominences of posterior margin of tectal sclerites rounded, protrudes posteriad beyond internal angles of lateral bends and extends on inner horizontal fold. Anterior walls of interramal lobes sclerotised. Subgenus Polymerus Hahn, 1831 Diagnosis. Males are differing from those of Pachycentrum subgen. n. by vesica with longitudinal carina and sclerotised field on right wall of large posterior right lobe; with spiculose plate on anterior right bladder; without spinulate sclerite on anterior left lobe; with relatively long left branch of last lobe covering secondary gonopore superiorly; with long postposterior left lobe; and with needle-shaped medial spicule. Females are different from those of previous subgenus by tectal sclerite widely desclerotised medially, with rather long prominences of its posterior margin; and by sclerotised anterior walls of interramal lobes. Colouration of body in Polymerus s. str. as in Pachycentrum subgen. n. , without large yellow patches on scutellar apex and anterior corner of corium in contrast to subgenus Poeciloscytus . The lateral margins of hemelytra in females of the nominotypical subgenus are frequently more convex than in Poeciloscytus . Notes on diagnosis. The degree of curvature of the claws mentioned by Reuter (1886) in distinguishing Polymerus and Poeciloscytus is not a diagnostic feature. Redescription. Vestiture and colouration (Fig. 40 D–J). Body black, its surface matted or shiny. Antennae black-brown or at least partly yellow. Small transverse spot near internal margins of eyes, very narrow strip on posterior margin of pronotum, longitudinal small spot on corium just behind apex of clavus, narrow strip on posterior margin of corium, extreme apex of cuneus, narrow edging at margins of coxal cavities of meso- and metathorax yellow. Margins of fore coxal cavities very often also narrowly yellow. Pale strip on posterior margin of pronotum often interrupted in middle or absent. Apex of cuneus can be black. Posterior margins of pro- and mesopleurites in their basal parts with fine yellowish strip. Femora entirely or in their apical fourth yellow, with brown spots or rings before apices, or black with one or two yellow rings or spots before apices. Tarsi yellow, apices of their third segments blackened. Vesica (Figs 10–12) greater than in Pachycentrum subgen. nov. Anterior right bladder more convex, with clearly delimited base. Surface of this bladder with large spiculose plate covered with small denticles and consisting of short and wide superior and long and narrow inferior parts. Vestige of anterior spicule on superior wall of vesica before and above anterior right bladder present or absent. Anterior left lobe with three short branches. Left branch of this lobe touching superior branch of posterior left lobe. They together with inferior branches of both lobes forming short canal closed laterally and superiorly but open below. Spinulate sclerite on inferior surface of anterior left lobe absent. Short broad membranous tubercle directed downwards usually located at place of this sclerite. Posterior left lobe with two branches. Supragonoporal area of sclerotization large. Subgonoporal plate surrounds secondary gonopore, with group of triangular denticles under it. Postposterior left lobe long, curved posteriad. Posterior right lobe long, wide, tapering distad, directed anteriad and to left, with pointed apex. Basal sclerite on right-inferior surface of this lobe distinctly not reaching lobe apex. Right wall of posterior right lobe strongly convex basally and with longitudinal carina usually surrounded by sclerotised field. Posterior spicule long, narrow, directed anteriad and to left. Medial spicule acicular, long, in basal part directed to left, in middle sharply bent posteriad and more or less strongly curved to right before apex. Extreme base of medial spicule rather small, roundish. Sclerotised walls of superio-posterior spicule covered with spinulae directed apicad. Posterior bladder with distinct (more clearly visible from superior view) rounded posterior apex on right side, directed anteriad and lying over right wall of vesica. Membranous tubercle on left wall of posterior part of vesica absent. Gynatrium (Fig. 16). Anterior vestibular sclerites oval or narrowed posteriorly. Tectal sclerite widely desclerotised along midline. Medial prominences of posterior margin of tectal sclerites rounded, protrudes posteriad beyond internal angles of lateral bends and extends on inner horizontal fold. Anterior walls of interramal lobes sclerotised. : Published as part of Gapon, D. A., 2014, Revision of the genus Polymerus (Heteroptera: Miridae) in the Eastern Hemisphere. Part 1: Subgenera Polymerus, Pachycentrum subgen. nov. and new genus Dichelocentrum gen. nov., pp. 1-87 in Zootaxa 3787 (1) on pages 26-30, DOI: 10.11646/zootaxa.3787.1, http://zenodo.org/record/5079572 : {"references": ["Pagola-Carte, S., Zabalegui, I. & Ribes, J. (2004) Some interesting Miridae (Hemiptera: Heteroptera) from the Basque Country. Heteropterus Revista de Entomologie, 4, 31 - 39.", "Hahn, C. W. (1831) Die wanzenartigen Insecten. Vol. 1. Zeh, Nurnberg, 36 pp."]} |
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