Elmomorphus paramontanus Kodada, Selnekovič & Jäch, 2024

Selnekovič, Dávid, Jäch, Manfred A. & Kodada, Ján, 2024, Taxonomic revision of the genus Elmomorphus Sharp, 1888. II. Redescription of the genus and review of the species from India, Nepal, Bhutan, Myanmar, China, Thailand, Laos, Cambodia, and Vietnam (Coleoptera: Dryopidae), European Journal of Taxonomy 957, pp. 1-229 : 87-93

publication ID

https://doi.org/ 10.5852/ejt.2024.957.2651

publication LSID

lsid:zoobank.org:pub:9957F2DF-3F31-4B58-84BC-2F8E0F45C6E3

persistent identifier

https://treatment.plazi.org/id/BCB85417-4F7A-4DA9-A83A-9C0639A59A91

taxon LSID

lsid:zoobank.org:act:BCB85417-4F7A-4DA9-A83A-9C0639A59A91

treatment provided by

Plazi

scientific name

Elmomorphus paramontanus Kodada, Selnekovič & Jäch
status

sp. nov.

Elmomorphus paramontanus Kodada, Selnekovič & Jäch sp. nov.

urn:lsid:zoobank.org:act:BCB85417-4F7A-4DA9-A83A-9C0639A59A91

Figs 1B–C, E–G View Fig , 2F–J View Fig , 3E View Fig , 4A, F, I View Fig , 40–41 View Fig View Fig , 107C–D View Fig , 111A View Fig

Differential diagnosis

Elmomorphus paramontanus sp. nov. ( Fig. 40 View Fig ) belongs to a group of species characterised by having a plastron on the dorsal cranial surface (except for a triangular area on the vertex), on the anterior angles of the pronotum, and the lateral sides of the elytra. Elytral punctures scattered over the entire surface, striae absent. Within this group, E. corpulentus sp. nov., E. ellipticus sp. nov., E. montanus , E. paramontanus , and E. prosternalis may be recognised by the pronotal plastron being confined to the anterior angles. The differences between E. paramontanus , E. corpulentus , and E. ellipticus are listed under the latter two species. Elmomorphus montanus differs from E. paramontanus in the parameres being shorter in relation to the phallobase, PhL/PrL: 2.30 in E. montanus versus PhL/PrL: 1.37–1.81 (1.57 ± 0.11, n=25) in E. paramontanus ( Fig. 41 View Fig ).

Etymology

The epithet is a Latin adjective in the nominative singular referring to the overall similarity with E. montanus .

Type material

Holotype

THAILAND – Mae Hong Son Province • ♂; “Thai 1-8.V.1992 Ban-si Lang Mae Hong Son J.Horák leg.”; NMW.

Paratypes

CHINA – Hong Kong • 2 ex.; “ HONGKONG University Campus at light, 1996 leg. G. de Rougemont ”; NMW. – Yunnan Province • 2 ♂♂; “CHINA:Yünnan, Xishuangbanna ca. 15 km W Menglun , 5.11.1999, ca. 700 m leg. Jäch, et al. (CWBS 355)”; NMW 3 ex.; “ CHINA: Yünnan, Xishuangbanna ca 10km NW Menglun 7.11.1999, ca. 700 m leg. Jäch, et al. (CWBS 359)”; NMW 12 ♂♂, 14 ♀♀, 44 ex.; “ CHINA: Yünnan, Xishuangbanna, ca. 50 km SSE Menglun , Mengyuan , 6.11.1999, ca. 700 m, leg. Jäch et al. (CWBS 361)”; NMW 4 ♀♀, 6 ex.; “ CHINA: Yünnan, Xishuangbanna ca. 6km NW Mengla 8.11.1999, ca. 700 m, leg. Jäch et al. (CWBS 364)”; NMW 1 ex.; “ CHINA: Yünnan, Xishuangbanna ca. 50km NW Mengla 9.11.1999, ca. 800 m leg. Wang & Wei (CWBS 370)”; NMW 7 ex.; “ CHINA: Yünnan, Xishuangbanna ca. 7km NE Jinghong 12.11.1999, ca. 600 m leg. Jäch, et al. (CWBS 377)”; NMW 12 ex.; “ CHINA: S-YUNNAN ( Xishuangbanna ) 23 km NW Jinghong Na Ban Village (NNNR [ Nabanhe National Nature Reserve ]) | N22°10.04 E100°39.52 680m 05.VI.2008 LF [light trap] leg. A. Weigel station”; CWW GoogleMaps 7 ex.; same data as for preceding, but labels written in different style; CWW GoogleMaps 1 ex.; “ CHINA: S-YUNNAN ( Xishuangbanna ), 20km NW Jinghong , Man Dan (NNNR [ Nabanhe National Nature Reserve ]), N 22°07″80′, E 100°40″05′ [minutes and seconds interchanged], 720m, 23.V. 2008, leg. A.Weigel, LF [light trap]”; CWW. – Guangdong Province • 1 ex.; “ CHINA: Guangdong Prov., 35 km NE Huaiji 24°00′25″N 112°26′09″E 3.11.2001, ca. 130 m Jäch & Komarek (CWBS 463)”; NMW GoogleMaps 1 ex.; “ CHINA: Guangdong Prov. 40 km ENE Zengcheng 23°17′12″N 114°03′42″E 11.11.2001, ca. 140 m Komarek & Wang (CWBS 492)”; NMW GoogleMaps .

LAOS – Houa Phan Province • 1 ex.; “LAOS-NE, Houa Phan prov., 20°13′09-19″N 103°59′54″- 104°00′03″E, 1480-1510m, PHOU PANE Mt. , 22.iv.-14.v.2008, Vít Kubáň leg.”; NMW. – Luang Namtha Province • 4 ex.; “N-LAOS: Prov. Lg. Nam Tha ca 20km NE Muang Sing 10.6.1996, 700m leg. Schillhammer (20)”; NMW 58 ex.; “N-LAOS: Prov. Lg. Nam Tha ca. 5 km Muang Sing 650 m Huay Giulom riv., 10.6.1996 leg. Schillhammer (21)”; NMW 4 ex.; “N-Laos: Prov. Lg. Nam Tha , 5-10 km SW Muang Sing, 11.6.1996, 600m, leg. Schillhammer (23)”; NMW 2 ex.; “N-LAOS: Prov. Lg. Nam Tha ca. 20km SE Muang Sing 12./ 13.6.1996, 950m leg. Schillhammer (25)”; NMW 40 ex.; “N-Laos, Prov. Lg. Nam Tha , ca. 30 km NW Lg. Nam Tha, 16./ 18.6.1996, 800 m, leg. Schillhammer (28, 30)”; NMW 20 ex.; “ LAOS north, 24.–30.V 1997 20 km NW Louang Namtha N 21°09.2, E 101°18.7, alt. 900± 100 m E. Jendek & O. Šauša leg.”; CKB. – Luang Prabang Province • 3 ex.; “ IX. 1992, 250 m, 10 km N Luang Prabang Mekong-Ufer [banks], Licht [at light], leg. Insomsay Somsy ”; NMW. – Vientiane Province • 13 ex.; “ Ban Pahom 24km N of Vang Vieng Vientiane Prov., LAOS 9. V. 2002 H. Yoshitomi leg.”; NMW .

MALAYSIA – Perak State • 5 ex.; “MALAYSIA 3.II.1992 PERAK: ca. 10 km NÖ [NE] Gerik leg. Jäch (24)”; NMW 2 ex.; “ MALAYSIA 4.II.1992 PERAK: Lawin, S Gerik leg. Jäch (25)”; NMW 1 ex.; “ MALAYSIA 4.II.1992 PERAK: Ö [E] Padang Gerus leg. Jäch (26)”; NMW .

MYANMAR • 3 ex.; “MYANMAR N ( Burma) 21 km E Putao, H- 550m Nan Sa Bon vill 01.- 05.05.1998 leg. S. Murzin & V. Siniaev ”; NMW 21 ex.; “ MYANMAR: Kachin State 3.8km SW Putao , 30.5./ 1.6.1999 Ma Kyaw Wa riv., ca. 480m 27°18.90′N 97°22.93′E leg. Schillhammer & Schuh (59)”; NMW GoogleMaps 5 ex.; “ MYANMAR: Kachin State 12km S Putao , 31.5.1999 W Mularshidi vill., 500 - 550m 27°15.13′N 97°24.95′E leg. Schillhammer & Schuh (60)”; NMW GoogleMaps 2 ex.; “ MYANMAR: Kachin State ca. 12km S Putao , 2.6.1999 W Mularshidi vill., 50 - 550m 27°14.98′N 97°24.40′E leg. Schillhammer & Schuh (61)”; NMW GoogleMaps .

THAILAND – Mae Hong Son Province • 5 ♂♂, 9 ♀♀, 10 ex.; same collection data as for holotype; CKB, NMW 17 ex.; “NW THAI 23.-31.V. MAE HONG SON 1200m Ban Si Lang 1991 J. Horák leg.”; CKB 12 ex.; “ THAILAND: 13.11.1995 3 km SE Mae Hong Son leg. Zettel (14b)”; NMW 6 ♂♂, 9 ♀♀, 11 ex.; “NW-Thai 23.-31. V. 1991, Ban Si Lang , Mae Hong Son 1200m, J. Horák leg.”; CKB, NMW 1 ♂, 2 ♀♀, 3 ex.; “NW Thailand, 19.19N, 97.59E Mae Hong Son, 1991 Ban Si Lang , 1200m 23.-31.5., L.Dembický leg.”; NMW GoogleMaps 6 ex.; “NW THAI. 23.-31.V. MAE HONG SON 1200m BAN SI LANG, 1991 ǀ COLL. BOUKAL”; CBB 3 ♂♂, 2 ♀♀; “NW-Thailand, 1.-7. V. 1992, Mae Hong Son, Ban Si Lang , 1000 m, S. Bílý leg.”; NMW 18 ex.; “N-THAILAND, V.1992 Mae Hong Son Huai Sua Tao leg. Dembicky”; NMW 1 ex.; “NW THAILAND Mae Hong Son Suan Pu, 5.5.1992 Pacholatko & Dembicky ”; NMW 3 ex.; “ THAILAND: 11.11.1995 17km N Mae Hong Son Mok Cham Pae leg. Zettel (12a)”; NMW. – Chiang Mai Province • 24 ex.; “ THAILAND 1989 Chiang Mai Malicky 10.-17.IV. ”; NMW 2 ♂♂, 1 ♀; “NW Thailand CHON [CHOM] THONG 24-27.IV.1991 J. Horak lgt.”; NMW 1 ex.; “NW THAI 24.-27.IV. CHON THONG 1991 J. Horák leg.”; CKB 1 ♀; “NW-Thailand, 1991, Chon [Chom] Thong , 24. - 27.4., 18°26′N 98°41′E, L. Dembický leg.”; NMW GoogleMaps 1 ex.; “N-THAILAND: Ch. Mai Chom Thong 24.- 26.4.1991 leg. Pacholatko”; NMW 2 ♂♂, 3 ♀♀; “N THAI, 15.-21.1. CHANG-MAI [Chiang Mai] env. 1992 Meo-Sa waterfalls M. Holecová leg.”; CKB 28 ex.; “ Thailand: Chiang Mai Suanrim, 25.III.1994, Nam Mae Si,WDS-A-1046 William D. Shepard , leg. | Collection W.D. Shepard ”; CSS 2 ♀♀; “ Thailand 91 “Thanon Thong Chai”, D. Král & V. Kubáň, Thai, 10. - 16. V. 1991, Chiang Dao 600 m, 19°24′N 98°55′E, Vít Kubáň leg.”; NMW • 5 ♂♂, 8 ♀♀; “ Thailand 91 “Thanon Thong Chai”, D. Král & V. Kubáň, Thai, 26. - 28. V. 1991, Palong 750 m, 19°55′N 99°06′E, Vít Kubáň leg.”; NMW • 2 ♂♂, 1 ex.; “ Thailand 91 “Thanon Thong Chai”, D. Král & V. Kubáň, Thai , 9. - 14. V. 1991, Chiang Dao 350 m, 19°22′N 98°57′E, Vít Kubáň leg.”; NMW GoogleMaps 1 ♂; “ THAILAND 31.12. Huay Mae Sai Wf [waterfall] leg. Madl 1987”; NMW 4 ♂♂, 3 ♀♀, 44 ex.; “ North Thai , Maeo Khun Klang, 1350 m, Doi Inthanon, 16. X. 1983, M Sakai”; NMW 3 ♂♂, 21 ex.; “ Thailand, Maeo Khun Klang, 1300 m, Doi Inthanon, 17. X. 1983, M. Tomokuni, at light”; NMW 10 ex.; “N-THAILAND: Chiang Mai 12 km W Chom Thong Mae Klang riv. 27.12. 1998, 550 m, leg. P. Mazzoldi (7)”; NMW 2 ex.; “ Thailand: Doi Inthanon Mae Klang , 11.4.1996, 18°32′N 98°36′E, 540 m, WRC 17, leg. Malicky ”; NMW GoogleMaps 4 ex.; “NW THAIL. 15.-23.5. Chiang Mai Doi Inthanon 1989 leg. Malicky ”; NMW 4 ♂♂, 14 ex.; “ Fang Thailand Nov. , 22. 1968, M. Sato leg.”; NMW 24 ex.; “ THAILAND 1989 Chiang Mai Malicky 10.-17.IV. ”; NMW 1 ex.; “NW-Thail.: Chiang Mai, 38°57′E 18°49′N, Zoo, 24.- 31.10.1988 Malicky & Chantaramon[g]kol LF [light trap]”; NMW GoogleMaps 18 ex.; “N-THAILAND, 10.- 17.4. 18°49′N 98°57′E Chiang Mai, Zoo (Licht) [light] leg. Chantaramongkol & Malicky 1989”; NMW GoogleMaps 1 ex.; “ THAILAND Phuphing Palace, 1400m, Doi Suthep-Pui, C. Chiang Mai, 8 Sep 1987 T. Yamasaki ”; NMW 86 ex.; “N-THAILAND NW Chiang Mai Pai City, 29.4.1993 Pacholatko & Dembicky ”; NMW 1 ex.; “N-THAILAND, Chiang M. Soppong - Pai 1.- 8.5.1993, 1800m Pacholatko & Dembicky ”; NMW 6 ex.; “ THAILAND: 30./31.11. Chiang Mai Prov. 1995 W Mae Rim, Mae Sa NP leg. Zettel (2)”; NMW 45 ex.; “ THAILAND: 8.11.1995 Chiang Mai Prov. Chiang Dao , 500m leg. Zettel (10)”; NMW 4 ex.; “N-THAILAND Ban Sanpakia, 19°19′N 96°50′E 1000 m a.s.l.,

3.V.1996, V. Kubáň leg.”; CKB. – Kanchanaburi Province • 3 ex.; “ THAILAND: 5.4.1989, Tham Than Lod NP [= Chaloem Rattanakosin National Park ], 500m 99°20′E 14°46′N, Malicky & Wanleelag”; NMW. GoogleMaps – Nan Province • 1 ex.; “N-THAILAND: Nan, 2.1.1999 Doi Phu Ka NP, 1400 m 1 km after Park HQ leg. P. Mazzoldi (24)”; NMW. – Nakhon Si Thammarat Province GoogleMaps 1 ex.; “P. THAILAND Khao Luang N.P.-H.Q. 450m Nop Pi Tam , C. Nakhon Si Thammarat, 6 Aug 1987, T. Yamasaki ”; NMW. – Phetchabun Province • 1 ex.; “N-THAILAND, Nan Lom Sak - Dan Sai 17.- 19.6.1993 Pacholatko & Dembicky ”; NMW. – Phrae Province • 2 ex.; “ THAILAND: 17./ 18.11.1995 Phrae Prov.Huai Kaet 50km NE Phrae leg. Zettel (17b)”; NMW. – Songkhla Province • 11 ex.; “S-Thailand 600m ob [above] Ton Nga Chang WF [waterfall] 6°58′N, 100°12′E lg. Malicky, 4.-5.5.[19]93”; NMW. GoogleMaps – Tak Province • 7 ♂♂, 8 ♀♀, 7 ex.; “ Thailand 91 “Thanon Thong Chai”, D. Král & V. Kubáň, Thai, 26. IV. - 6. V. 1991, Umphang 550 m, 16°04′N 98°53′E, Vít Kubáň leg.”; CKB, NMW. GoogleMaps – Yala Province • 121 ♂♂, 38 ♀♀, 169 ex.; “S-THAILAND 25.3.-22.4. BETONG YALA distr. 1993 leg. J.Horák & J.Strnad ”; CKB, NMW GoogleMaps .

GoogleMaps

VIETNAM – Bac Kan Province • 2 ex.; “N-VIETNAM Bac Kan Prov., Ba Bè NP, (entry), 16.- 20.V.2014 22°25′07″, E 105°38′09″E 180-220m, leg. A. Skale ”; NMW. GoogleMaps – Cao Bang Province • 1 ex.; “N-VIETNAM Cao Bang Prov., vic. Tinh Tuc, Son Dong, Nui Pia Oac Nature Reserve , 9.-15.V.2014 22°37′55″N 105°52′98″E 860-1300m leg. A. Skale ”; NMW GoogleMaps 2 ex.; “N- VIETNAM, Cao Bang Pr. vic. Tinh Tuc, Son Dong Nui Pia Oac Nature Res. 22°37′5″N, 105°53′20″ 11.V.2014, 1000m leg. A. Weigel, by light”; CWW. – Lam Dong Province • 1 ♂, 1 ♀; “S-Vietnam: 17.-21.4., 12 km N Dalat, 1995, Lang Bian | 12°03′N 108°27′E, 1580-1750 m, Pacholatko & Dembicky”; NMW GoogleMaps 56 ex.; “S-VIETNAM: 22.- 24.4. 15km SW Bao Loc 1995 900m, 11°27′N 107°43′E Pacholatko & Dembicky”; NMW. GoogleMaps – Son La Province • 11 ex.; “N-Vietnam: Son La Prov., 36 km S Mac Chau [ Moc Chau ], ca. 1092 m, 20°44′34″N 104°55′44″E, 25.- 26.6.1997, lg. C.L. [Chun-lin] LI”; NMW GoogleMaps 1 ex.; “N-Vietnam: Son La Prov., 36 km S Mac Chau [ Moc Chau ], ca. 1090 m, 20°45′34″N 104°55′44″E, 1.7.1997, leg. C.F. [Chi-feng] Lee [it is not entirely clear, whether this specimen was collected in Son La Prov., because the coordinates lie in the Thanh Hóa Prov., very close to the boarder to Son La Prov., the label data (incl. the coordinates) are remarkably similar to the label data of the 11 specimens listed above, the elevation data seem to be incorrect in both cases]”; NMW. GoogleMaps – Thanh Hóa Province • 36 ex.; “ VIETNAM, Thanh Hóa Prov., Bá Thư ớc Distr., Thành SƠn, Kho Mư ờng, 20°28′51.3″N, 105°07′51.6″E, 390 m a.s.l., 11.11.2022, Kodada & Selnekovič leg. (3)”; CKB GoogleMaps .

Type locality

Thailand, Mae Hong Son Province, Ban Si Lang.

Description

Measurements (mm): TL: ♂♂ 2.90–3.33 (3.07± 0.12, n =26), ♀♀ 2.88–3.35 (3.20 ± 0.14, n =9); PL: ♂♂ 0.72–0.83 (0.75± 0.03, n= 26), ♀♀ 0.67–0.81 (0.76 ± 0.04, n=9); PW: ♂♂ 1.19–1.32 (1.25± 0.04, n= 26), ♀♀ 1.16–1.35 (1.29± 0.06, n =9); EL: ♂♂ 2.16–2.55 (2.32 ±0.10, n= 26), ♀♀ 2.21–2.55 (2.44 ± 0.11, n= 9); EW: ♂♂ 1.48–1.64 (1.56± 0.04, n=26), ♀♀ 1.48–1.69 (1.61 ± 0.06, n =9); PhL: 0.46–0.55 (0.50± 0.02, n =26); PrL: 0.28–0.35 (0.32 ± 0.31, n= 26).

Body oblong-ovate, and dorsally convex ( Fig. 40 View Fig ). Integument black; mouthparts, antennae, trochanters, basal parts of femora, and tarsi reddish-brown; dorsum with fine bronze metallic lustre. Pubescence consisting of short yellowish setae. Dorsal plastron present on cranial surface (except for median part of vertex), anterior angles of pronotum, and on lateral sides of elytra. Ventral plastron absent on prosternal process, median part of metaventrite, and middle of ventrites 1–2.

Dorsal surface of head with round setiferous punctures of diameters slightly smaller than an eye facet, separated by ca 0.5–2.0× puncture diameters. Plastron present on entire dorsal surface, except for oval area on vertex. Labrum transverse ( Fig. 1C View Fig ), anterior margin slightly emarginate in middle, exposed portion microreticulate, with small setiferous punctures; setae equal in length in both sexes. Anterior margin of clypeus straight. Eyes oval, moderately protruding from head outline, interfacetal setae short; ID: ♂♂ 0.39–0.46 mm (0.43 ± 0.01, n=26), ♀♀ 0.42–0.47 mm (0.44 ± 0.01, n=9). Antennae 10-segmented, densely setose.

Pronotum ( Fig. 3E View Fig ) wider than long, widest at base, PW/PL: ♂♂ 1.59–1.76 (1.66± 0.03, n=26), ♀♀ 1.64–1.78 (1.70 ± 0.04, n=9); disc moderately convex; anterior angles protruding, acute; lateral sides convergent, slightly rounded in dorsal aspect; surface smooth, with round setiferous punctures; plastron confined to anterior angles. Prosternal process wider than long, lateral and distal edges rounded; lateral margins moderately raised, without clusters of long setae in males; median keel moderately arcuate. Metaventrite covered with plastron, except for slightly convex, posteriorly expanded median part; metaventral process with lateral margins raised, delimited by longitudinal grooves. Scutellum longer than wide, punctate. Elytra elongate oval, widest behind middle, EL/EW: ♂♂ 1.43–1.56 (1.49± 0.03, n= 26), ♀♀ 1.47–1.56 (1.51 ± 0.03, n =9); dorsal surface finely microreticulate; round setiferous punctures scattered on entire surface; plastron present on lateral portions forming a distally expanded band, anteriorly almost reaching elytral base, covering about one-third of elytron width (along elytral midlength). Tibiae slightly curved; protibia ca 1.2 × as long as protarsus; PrTL/PL: ♂♂ 1.08–1.22 (1.16 ± 0.06, n=26), ♀♀ 1.10–1.25 (1.16 ±0.05, n =9). Terminal protarsomere longer than the preceding segments combined.

Abdomen covered with plastron, except on middle of first two ventrites. Apex of ventrite 5 rounded; females with small longitudinal keel before apex ( Fig. 4I View Fig ). Aedeagus ( Fig. 41 View Fig ): phallobase moderately long, slightly expanded proximally, PhL/PrL: 1.37–1.81 (1.57± 0.11, n=25); parameres weakly curved ventrad, apices narrowly rounded (lateral aspect); penis rounded apically; sclerotised fibula rather short and slender. Bursa copulatrix without microsclerites.

Secondary sexual dimorphism

Females possess a small longitudinal subapical keel on ventrite 5.

Distribution

China (Guangdong, Hong Kong, Yunnan), Laos, Malaysia (Perak), Myanmar, Thailand, Vietnam ( Fig. 111A View Fig ).

NMW

Austria, Wien, Naturhistorisches Museum Wien

NMW

Naturhistorisches Museum, Wien

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Dryopidae

Genus

Elmomorphus

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