Dima pelikani, Mertlik, Josef, Németh, Tamás & Kundrata, Robin, 2017

Mertlik, Josef, Németh, Tamás & Kundrata, Robin, 2017, Revision of the flightless click-beetle genus Dima Charpentier, 1825 (Coleoptera: Elateridae: Dimini) in the Balkan Peninsula, Zootaxa 4220 (1), pp. 1-63 : 28-29

Dima pelikani sp. nov.

Figs 89–91 , 151 , 208 , 237 , 243 .

Type material. Holotype: MONTENEGRO: Kotor distr. , Lovčen Mts. , Cetinje env., 4 km of Ivanova Korita (N42°24'07'', E18°49'32''), 1364 m, 25.–26.V.2014, ♂, J. Pelikán leg. ( PCJM) . Paratypes: MONTENEGRO: Kotor distr. , Lovčen Mts. , Cetinje env., 4 km of Ivanova Korita (N42°24'07'', E18°49'32''), 1364 m, 25.–26.V.2014, 3 ♂♂, J. Pelikán et R. Škoda leg. ( PCJM, PCLS) ; Kotor distr. , Lovčen Mts., Ivanova Korita, Fagus forest (42°22'44.81"N, 18°50'9.90"E), 31.V.2014, singled at night, 1 ♂, 1 ♀, leg. Dusanek, Kundrata & Nemeth ( HNHM) ; dtto, 4 ♂♂, 3 ♀♀ (PCRK); dtto, 1 ♂, 3 ♀♀, V. Dušánek leg. (PCVD); Lovčen Mts , Njeguši env., 1000–1100 m, 10.IV.2016 (fagetum), ♂, P. Vonička leg. ( PCPV) ; Lovčen Mts , Njeguši env., 1000–1100 m, 25.V.2016 (fagetum), 2 ♀♀, P. Vonička leg. ( PCPV) ; ALBANIA: Skhoder distr. , 1 km E Fushe Okol, Fagus forest (42°23'49.68"N, 19°42'2.61"E), 2.VI.2014, swept & singled, 1 ♂, leg. Dusanek, Kundrata & Nemeth ( HNHM) ; dtto, 3 ♂♂, 1 ♀ (PCRK); dtto, 1 ♂, 1 ♀, V. Dušánek leg. (PCVD).

Other material examined. MONTENEGRO: Prekornica Abyss. pr. Konjic (– 150 m), Alexandr Veliký (Abyss), 3.VI.2006, 1 ♂, Roman Mlejnek leg. ( PCJM).

Diagnosis. Dima pelikani sp. nov. is very like D. pecoudi . Both species are easily recognizable by their matt, microreticulate pronotal and elytral intervals, densely punctate pronotum, very short decumbent pubescence of pronotum and elytra, and very short, decumbent, almost clinging pubescence of the pronotal sides ( Figs 85–91 , 150–151 ). They differ in body size (11.0– 12.5 mm in D. pelikani sp. nov, 13.5–16.0 mm in D. pecoudi ), shape of pronotum (sides more evenly rounded in D. pelikani sp. nov., longer, more sub-parallel sided in D. pecoudi ), elytral striae (less distinct to indistinct in D. pelikani sp. nov, well-developed in D. pecoudi ; Figs 85–91 ), and the shape of paramera (shorter apical lobe with smaller subapical lateral tooth in D. pelikani sp. nov, longer lobe with more distinct tooth in D. pecoudi ; Figs 206–208 ).

Description. Holotype, male. Body medium-sized, 12.1 mm long, 4.8 mm wide, matt, covered with very short dense pubescence. Body brown, with paler, reddish-brown legs and antennae; pubescence yellowish ( Fig. 89 ).

Head including eyes slightly more than 0.5 times as wide as pronotum, frons with almost v-shaped depression; punctation dense and coarse, intervals between punctures rugose; pubescence on head semi-erect, more erect in anterior part of frons, directed forwards. Supraantennal carina present, sharply defined. Antennae moderately long, surpassing the posterior angles of pronotum by more than three segments; antennomeres II and III subtriangular, about 1.5 times longer than wide, subequal, together 1.2 times longer than antennomere IV, length ratio of antennomeres II–IV 1.0: 1.0: 1.6, antennomeres IV to X gradually widened apically, less than 2 times longer than wide, apical antennomere longest, subacute apically; surface of antennomeres covered with moderately long, semierect setae.

Pronotum 1.4 times wider than long, widest at middle, moderately convex dorsally; sides evenly convex, gradually slightly curved anteriorly in lateral view; anterior angles obtuse; posterior angles prominent, sharp, distinctly produced outward; punctation dense, fine, shallow, punctures on disc equally distributed, of about the same size; intervals between punctures shorter or of the same length as a diameter of puncture, microreticulate on most of pronotum, more flattened posteriorly. Pubescence on pronotal disc very short, decumbent; that on pronotal sides decumbent to almost clinging at anterior two thirds, slightly semi-erect at posterior third, longer setae at posterior angles ( Fig. 151 ). Prosternum finely, sparsely punctate, with moderately long semi-erect setae; prosternal lobe moderately coarsely punctate, with longer semi-erect pubescence.

Scutellum sub-trapezoidal, flattened, in lateral view under the plane of elytra, widest at two thirds; frontal margin rounded, gradually declined; apex widely rounded, punctation fine, dense; pubescence fine, moderately long, semi-erect. Elytra sub-parallel, 3.1 times longer than pronotum, moderately convex, widest at middle, from middle gradually narrowing towards apex; striae well developed along the whole elytral length, irregularly interrupted by coarse sparse punctures; surface of interstices flattened, matt, microreticulate, densely and finely punctate; punctures equally distributed, of about the same size; pubescence very short, very dense.

Aedeagus elongate; paramera long, narrow, its apical lobe robust, subapical tooth short ( Fig. 208 ).

Female ( Fig. 90 ). Like male, but with suboval body, shorter antennae (surpassing the posterior angles of pronotum about two segments), head less than 0.5 times as wide as pronotum, pronotum more convex and distinctly wider than in male (1.5 times wider than long), scutellum wider. The sclerotized spines of bursa copulatrix as in Fig. 237 .

Intraspecific variability. Body length: 11.2–14.0 mm. Some specimens are dark brown. The frontal depression is variable in size, shape and depth. The specimen from Prekornica, which was found in the deep abyss, differs from the remaining specimens in the smaller size, light brown body coloration, and paramera with smaller and shorter lateral subapical tooth ( Fig. 91 ).

Distribution. Monte Negro (Lovčen Mts; Prekornica Abyss.), Albania (Skhoder: Boge) ( Fig. 243 ). Etymology. The specific epithet is a patronym in honor of Mr. Jan Pelikán (Hradec Králové, Czech Republic), who collected a part of the type series.

Figures

FIGURE 243. The distribution of Dima species in the northern Balkan Peninsula and surrounding areas.

FIGURES 75 – 89. Habitus images of Dima species. Dima olympica Meschnigg, 1934, 75 — non-type specimen, male, 76 — non-type specimen, female; D. orientalis sp. nov., 77 — holotype, male, 78 — paratype, female, 79 — paratype, female; 80 — Dima sp. from Xanthi, Greece; D. parnonensis Schimmel & Platia 2008, 81 — holotype, female, 82 — non-type specimen, male, 83 — non-type specimen, female, 84 — non-type specimen, male; D. pecoudi Fleutiaux, 1944, 85 — non-type specimen, male, 86 — non-type specimen, female, 87 — paratype of D. evritaniensis, male, 88 — non-type specimen, teratological male; 89 — D. pelikani sp. nov., holotype, male. Not to scale.

FIGURES 90 – 104. Habitus images of Dima species. Dima pelikani sp. nov., 90 — paratype, female, 91 — paratype, male; D. pelionensis sp. nov., 92 — holotype, male, 93 — paratype, female, 94 — paratype, female; 95 — paratype, female, paratype of D. fokidensis; D. raineri Wurst, 1997, 96 — holotype, male, 97 — non-type specimen, male, 98 — non-type specimen, female, 99 — holotype of D. pindosensis Schimmel & Platia, 2008, male, 100 — male paratype of D. macedonica from Mt. Tomorr, Albania; 101 — Dima sp. from Librazhd, Albania; D. schimmeli Platia & Gudenzi, 2009, 102 — holotype, male, 103 — non-type specimen, male, 104 — non-type specimen, female. Not to scale.

FIGURES 143 – 154. Pronotal details of Dima species. 143 — D. macedonica Schimmel, 1993, male; 144 — D. marvani Mertlik & Dusanek, 2006, holotype, male; 145 — D. moraveci Schimmel & Platia, 2008, holotype, female; 146 — D. neumanni Platia, 2013, female; 147 — D. olympica Meschnigg, 1934, male; 148 — D. orientalis sp. nov., holotype, male; 149 — D. parnonensis Schimmel & Platia, 2008, female; 150 — D. pecoudi Fleutiaux, 1944, male; 151 — D. pelikani sp. nov., holotype, male; 152 — D. pelionensis sp. nov., paratype, female, 153 — D. pelionensis sp. nov., paratype, female paratype of D. fokidensis; 154 — D. raineri Wurst, 1997, female. Not to scale.

FIGURES 202 – 211. Aedeagus images of Dima species. 202 — D. olympica Meschnigg, 1934, non-type specimen; 203 — D. orientalis sp. nov., holotype; 204 — D. parnonensis Schimmel & Platia 2008, non-type specimen; 205 — D. parnonensis, nontype specimen; 206 — D. pecoudi Fleutiaux, 1944, paratype of D. evritaniensis; 207 — D. pecoudi, non-type specimen; 208 — D. pelikani sp. nov., holotype; 209 — D. pelionensis sp. nov., paratype; 210 — D. raineri Wurst, 1997, holotype; 211 — D. raineri, non-type specimen. Not to scale.

FIGURES 234 – 242. The sclerotized spines of bursa copulatrix of Dima species. 234 — D. olympica Meschnigg, 1934, nontype specimen; 235 — D. orientalis sp. nov., paratype; 236 — Dima sp. from Xanthi, Greece; 237 — D. pelikani sp. nov., paratype; 238 — D. pelionensis sp. nov., paratype of D. fokidensis Schimmel & Platia, 2008; 239 — D. schimmeli Platia & Gudenzi, 2009, non-type specimen; 240 — D. schnitteri Platia, 2013, paratype; 241 — D. vonickai sp. nov., paratype; 242 — D. zbuzeki sp. nov, paratype. Not to scale.