Hemiops Laporte, 1838

Parekar, Harshad & Patwardhan, Amol, 2025, Annotated catalogue of the click-beetle subfamilies Hemiopinae, Hypnoidinae, Lissominae, Negastriinae, Tetralobinae, and Thylacosterninae (Coleoptera: Elateridae) of India, Zootaxa 5679 (2), pp. 151-203 : 155-157

Genus Hemiops Laporte, 1838

Hemiops crassa (Gyllenhal, 1817) SRI

Elater crassus Gyllenhal, 1817 (in Schönherr 1817): 135 (original description; published type locality: India orientali).

Hemiops nigricollis Candèze, 1863: 496 (original description; published type locality: Borneo & Malaysia); Fleutiaux, 1903: 580 (synonymised with H. crassa ).

Hemiops crassa (Gyllenhal, 1817) : Gemminger & Harold, 1869: 1603 (catalogue; “ India or.”); Candèze, 1891: 214 (catalogue; “Indes orient.”); Candèze, 1892: 495 (distributional record; India: Jharkhand); Fleutiaux, 1903: 580 (note); Schenkling, 1927: 503 (catalogue; “ Bengalen ”); Kapur, 1956: 330 (distributional record; India: Assam, Meghalaya, Manipur); Mukhopadhyay & Chakraborty, 2003: 229 (distributional record; India: Sikkim); Chakraborty & Chakrabarti, 2006: 89, 90 (distributional record; India: West Bengal); Gupta et al., 2018: 502 (catalogue; “2C” as India: Sikkim, Darjeeling District).

Type Locality. Elater crassus . East India * [ India orientali]; Hemiops nigricollis . Borneo* & Malaysia *.

Type Depository. Elater crassus : Type, SU (??). Hemiops nigricollis : 1 Syntype, SU ( NHML) .

Distribution in India. Assam (Cachar District), Jharkhand (Gumla District), Manipur ** (Imphal Valley), Meghalaya (East Khasi Hills District), Sikkim **, West Bengal (Alipurduar District, Darjeeling District).

General Distribution. India, Indonesia (Borneo, Sumatra), Myanmar ( Schenkling 1927).

Remark. Based on the information provided by Candèze (1892: 481) and Hayek (1973: 273), the locality is added as Jharkhand.

Hemiops duchoni Schwarz, 1905 SDI

Hemiops duchoni Schwarz, 1905: 265 (original description; published type locality: Kohima, Assam); Schwarz, 1907: 305 (catalogue; India: “ Assam, Kohima”); Schenkling, 1927: 504 (catalogue; India: “ Assam ”); Gaedike, 1985: 32 (type catalogue).

Type Locality. India: Kohima District , Nagaland .

Type Depository. Lectotype, F ( SDEI); 1 Paralectotype, SU ( SDEI).

Distribution in India. Nagaland (Kohima District).

General Distribution. India.

Remark. The lectotype for H. duchoni was designated by G. Cuccodoro in 2019 (based on photographs of the data labels, courtesy of Kevin Weissing, SDEI, shared with us); however, we could not find any published literature confirming this designation. The species is considered endemic to India.

Hemiops flava Laporte, 1838 SRI

Hemiops flava Laporte, 1838: 15 (original description; published type locality: Chine); Candèze, 1890: clvi (distributional record; India: Jharkhand); Fleutiaux,1905: 330 (distributional record; India: Puducherry); Fleutiaux, 1918: 275 (distributional record; India: Assam, Sikkim); Schenkling, 1927: 504 (catalogue; “ Bengalen ”, “Hindostan”); Ôhira, 1971: 209 (“ India, Assam, Sikkim ”); Vats & Kashyap, 1992a: 249 (distributional records; India: Haryana, Uttarakhand); Chakraborty & Chakrabarti, 2006: 91 (distributional record; India: West Bengal); Mukhopadhyay & Chakraborty, 2003: 229 (distributional record; India: Sikkim); Cate, 2007: 186 (catalogue; “SD” as India: Sikkim, Darjeeling District); Gupta et al., 2018: 502 (catalogue; “2C” as India: Sikkim, Darjeeling District).

Hemiops plana Laporte, 1840: 254 (original brief description; published type locality: Chine); Fleutiaux, 1903: 580 (synonymised with H. flava ).

Hemiops lutea Germar, 1843: 52 (original description; published type locality: Java); Fleutiaux, 1903: 580 (synonymised with H. flava ); Schimmel, 1996a: 165 (designated Lectotype; “ Java ”).

Type Locality. Hemiops flava . China *; Hemiops plana . China *; Hemiops lutea . Java*.

Type Depository. Hemiops flava : Type, SU (??). Hemiops plana : Type, SU (??). Hemiops lutea : Lectotype, SU ( MFNB); 1 Paralectotype, SU ( MFNB).

Distribution in India. Assam **, Haryana (Panchkula District, Yamunanagar District), Jharkhand (Gumla District), Puducherry (Mahe District), Sikkim **, Uttarakhand (Chamoli District), West Bengal (Alipurduar District).

General Distribution. Cambodia, China, India, Indonesia (Borneo, Java, Sumatra), Japan, Laos, Myanmar, Nepal, Philippines, Taiwan (Formosa) ( Schenkling 1927; Ôhira 1970, 1971; Cate 2007).

Remark. Based on the information provided by Candèze (1890: cxlvi) and Parekar et al. (2024: 57), the locality is added as Jharkhand. Konbir is a village in the Gumla district of Jharkhand.

Hemiops lateralis Schimmel, 2007 SDI

Hemiops lateralis Schimmel, 2007b: 181 (original description; published type locality: Behar , India).

Type Locality. India: Bihar ** [Behar] .

Type Depository. Holotype, M (??).

Distribution in India. Bihar **.

General Distribution. India.

Remark. Known only from a male specimen. Although Schimmel (2007b: 181) stated that the holotype is deposited in HNHM, the specimen could not be located in the collection (pers. comm. S. Győző, HNHM). The species is considered endemic to India.

Hemiops luridus Vats & Kashyap, 1992 SDI

Hemiops luridus Vats & Kashyap, 1992a: 248 (original description; published type locality: Morni Hills , India).

Type Locality. India: Morni Hills, Panchkula District , Haryana. Type Depository. Holotype, M (??), 8 Paratypes, 8 M (??).

Distribution in India. Haryana (Panchkula District, Yamunanagar District).

General Distribution. India.

Remark. Known only from male specimens. The type material is not present in FRID and may be deposited in IARI, but this could not be verified. The species is considered endemic to India.

Hemiops nigripennis Candèze, 1893 SDI

Hemiops nigripennis Candèze, 1893: 178 (original description; published type locality: Kanara, India); Schwarz, 1907: 305 (catalogue; India: “Kanara”); Schenkling, 1927: 504 (catalogue; India: “Kanara”); Ȏhira, 1971: 209 (distributional record; India: Karnataka).

Type Locality. India: Karavali Stretch , Karnataka [Kanara] .

Type Depository. 1 Syntype, SU ( NHML) .

Distribution in India. Karnataka (Belagavi District, Karavali Stretch).

General Distribution. China, India ( Schenkling 1927; Cate 2007).

Remark. Non-type male specimens from India (Karnataka) are deposited in HNHM. The presence of this species in China requires verification.

Hemiops substriata Fleutiaux, 1903 SRI

Hemiops substriata Fleutiaux, 1903: 580 (original description; published type locality: Annam).

Hemiops assamensis Schwarz, 1905: 264 (original description; published type locality: Kohima, Assam); Schwarz, 1907: 305 (catalogue; India: “ Assam, Kohima”); Schenkling, 1927: 503 (catalogue; India: “ Assam ”); Gaedike, 1985: 19 (type catalogue); Schimmel, 1996a: 165 (synonymised with H. substriata ).

Type Locality. Hemiops substriata . Vietnam * [ Annam]; Hemiops assamensis . India: Kohima District, Nagaland.

Type Depository. Hemiops substriata : Type, SU (??). Hemiops assamensis : Lectotype, M ( SDEI); 3 Paralectotypes ( SDEI).

Distribution in India. Nagaland (Kohima District).

General Distribution. China, India, Myanmar, Thailand, Vietnam ( Schenkling 1927; Schimmel 1996a; Cate 2007).

Remark. The type material of H. substriata is likely housed in MNHN, but this could not be verified. The lectotype for H. assamensis was designated by G. Cuccodoro in 2019 (based on photographs of the data labels, courtesy of Kevin Weissing, SDEI, shared with us); however, we could not find any published literature confirming this designation.