Orchestes rufipes Motschulsky 1866

Orchestes rufipes Motschulsky 1866

Orchestes rufipes Motschulsky 1866: 433 . [ Type locality: Ceylon — Nura-Ellia ]

Sri Lankan records. Motschulsky (1866: 433 —Nura-Ellia).

Distribution. Sri Lanka.

Genus Tachyerges Schoenherr, 1825: 584 [ Type species: Curculio salicis Linnaeus, 1758 ]

Sri Lankan records. Kumari et al. (2022: 15).

Distribution. Sri Lanka , Europe, North America.

Remarks. Unrecognized species have been recorded as a pest of Alternanthera sessilis Linn. (Mukunuwenna) , a commercially grown leafy vegetable.

Subfamily Dryophthorinae Schoenherr 1825

Tribe Dryophthorini Schoenherr 1825

Genus Dryophthorus Germar 1823

Dryophthorus Germar 1823: 302 . [ Type species: Curculio lymexylon Fabricius 1792 = Curculio corticalis Paykull 1792 ]

Bulbifer Dejean 1821: 99 [suppressed]. [ Type species: Curculio lymexylon Fabricius 1792 = Curculio corticalis Paykull 1792 ]

Dryophora Berthold 1827: 391 [URN]. [ Type species: Curculio lymexylon Fabricius 1792 = Curculio corticalis Paykull 1792 ]

Tetraspartus Pascoe 1885: 309 . [ Type species: Tetraspartus bagoides Pascoe 1885 ]

Tetratemnus Wollaston 1873 a: 9 View in CoL . [ Type species: Tetratemnus sculpturatus Wollaston 1873 View in CoL ]

Dryophthorus setulosus Motschulsky 1866 View in CoL

Dryophthorus setulosus Motschulsky 1866: 446 View in CoL . [ Type locality: Ceylon — Nura-Ellia ]

Sri Lankan records. Motschulsky (1866 —Nura-Ellia).

Distribution. Sri Lanka.

Tribe Orthognathini Lacordaire 1865

Subtribe Orthognathina Lacordaire 1865

Genus Sipalinus Marshall 1943 View in CoL

Sipalinus Marshall 1943: 119 . [ Type species: Calandra granulata Fabricius 1801 = Curculio gigas Fabricius 1775 ]

Hyposipalus Voss 1962: 356 . [ Type species: Curculio guineensis Fabricius 1798 ]

Prosipalinus Voss 1962: 357 . [ Type species: Hyposipalus fallaciosus Voss 1962 ]

Sipalus Schoenherr 1825: 587 . [HN] [ Type species: Calandra granulata Fabricius 1801 = Curculio gigas Fabricius 1775 ]

Remarks. Sipalus porosus Walker 1859 , from Ceylon was listed under genus Sipalinus in the Junk Catalogue ( Csiki

1936) was removed in the genus because of the unidentate femora (Walker cited the generic name with a question mark) ( Vaurie 1971).

Sipalinus gigas gigas (Fabricius 1775)

Curculio gigas Fabricius 1775: 127 .

Sipalus chinensis Fairmaire 1887: 130 View in CoL .

Sipalus formosanus Kôno 1934b: 7 View in CoL .

Calandra granulatus Fabricius 1801: 432 .

Sipalus hypocrita Boheman 1845: 209 View in CoL .

Sipalus tinctus Walker 1859b: 218 View in CoL . [ Type locality: Ceylon]

Sri Lankan records. Walker (1859b); Walker (1861); Motschulsky (1863 —Nura Ellia); Csiki (1936); Vaurie (1971 — Agalawatte, Mabaoya, Batticaloa, Kandy, Kelani valley near colombo, Peradeniya).

Distribution. China (Fujian, Guangdong, Guizhou, Guangxi, Hong Kong, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Yunnan), India, Iran, Japan, Korea, Mongolia, Pakistan, Russia (Far East), Sri Lanka , Taiwan, "Himalayas"; Philippines to New Guinea, Solomon islands and eastern Australia.

Tribe Rhynchophorini Schoenherr 1833

Subtribe Diocalandrina Zimmerman 1993

Genus Diocalandra Faust 1894 View in CoL

Diocalandra Faust 1894: 353 View in CoL . [ Type species: Calandra frumenti Fabricius 1801 View in CoL ]

Diocalandra frumenti (Fabricius 1801) View in CoL

Calandra frumenti 1801: 438.

Calandra bifasciata Boisduval 1835: 445 View in CoL .

Sphaenophorus crucigera Motschulsky 1858: 69 .

Calandra punctigera Pascoe 1885: 305 View in CoL .

Calandra sechellarum Kolbe 1910: 46 View in CoL .

Sitophilus stigmaticollis Gyllenhal 1838: 972 View in CoL .

Sitophilus subfasciata Boheman 1838: 971 .

Sitophilus subsignata Boheman 1838: 973 View in CoL .

Sri Lankan records. Heller (1901: 339 —Kandy, Nalanda, Negombo, Matala); Csiki (1936); Singh & Ramesha (2018).

Distribution. Australia, Bangladesh, Borneo, Canary Islands, Ecuador, France, Guam, India (North East region, Southern India), Indonesia, Japan, Hong Kong, Madagascar, Malaysia, Myanmar, Mauritius, Pakistan, Palau, Papua New Guinea, Philippines, Republic of Congo, Samoa, Seychelles, Singapore, Solomon Islands, Somalia, Spain (Canary Islands), Sri Lanka , Taiwan, Thailand, Tanzania (including Zanzibar), Tonga, Trinidad & Tobago.

Biological notes. The lesser coconut weevil or four-spotted coconut weevil, Diocalandra frumenti , causes severe damage to many palms ( Arecaceae ) including economically important species, particularly to the coconut tree ( Cocos nucifera L.).

Genus Myocalandra Faust 1894 View in CoL

Myocalandra Faust 1894: 353 View in CoL . [ Type species: Myocalandra discors Faust 1894 View in CoL ]

Paracalendra Chûjô & Morimoto 1959: 26 View in CoL . [ Type species: Paracalendra saccharivora Chûjô & Morimoto 1959 View in CoL = Sitophilus exaratus Boheman 1838 View in CoL ]

Myocalandra exarata (Boheman 1838)

Sitophilus exarata Boheman 1838: 970 View in CoL .

Sphenophorus exquisita Walker 1859b: 218 View in CoL . [ Type locality: Ceylon]

Calandra porcata Pascoe 1885: 306 View in CoL .

Paracalendra saccharivora Chûjô & Morimoto 1959: 26 View in CoL .

Sri Lankan records. Walker (1859b); Walker (1861); Motschulsky (1863 —Nura Ellia); Csiki (1936); Singh & Ramesha (2018).

Distribution. India, Indonesia, Japan, Madagascar, Mauritius, Mayotte (France), Myanmar, Pakistan, Russia (East Siberia), Seychelles, Singapore, Sri Lanka , Taiwan.

Biological notes. Adults lay eggs in damaged parts of bamboo plants[ Bambusa polymorpha Munro and Dendrocalamus strictus (Roxb) Nees ] or bored parts of other insects, and larvae bore into their internodes longitudinally.

Subtribe Litosomina Lacordaire 1865

Genus Microspathe Faust 1899 View in CoL

Microspathe Faust 1899: 122 . [ Type species: Calandra fuliginosa Pascoe, 1885 ]

Microspathe fuliginosa Pascoe 1885

Microspathe fuliginosa Pascoe 1885: 306 View in CoL .

Sri Lankan records. Heller (1901 —Kandy).

Distribution. Indonesia, Myanmar, Papua New Guinea, Philippines, Sri Lanka.

Genus Sitophilus Schoenherr 1838 View in CoL

Sitophilus Schoenherr 1838: 967 View in CoL . [ Type species: Curculio oryzae Linnaeus 1763 ]

Calandra Gistel 1848: 136 View in CoL . [HN] [URN] [ Type species: Curculio oryzae Linnaeus 1763 ]

Sitophilus linearis (Herbst 1795) ( Fig.1B View FIGURE 1 )

Rhynchophorus linearis Herbst 1795: 5 . [ Type locality: West Indies ]

Cordyle striatus Thunberg 1815: 112 .

Calandra tamarindi Christy 1834: 36 View in CoL .

Sri Lankan records. Wijesinghe & Hong (2025, in press—Kothmalgama).

Materials examined. 12♀, 9♂, Kothmalgama, ( 7.0867046, 80.6580082), 9.iv.2023, Dilshara D. Wijesinghe, (in tamarind seeds).

Distribution. Argentina, Armenia, Austria, Azerbaijan, Bolivia, Brazil, Canary Islands, Chile, China (Hainan, Yunnan), Colombia, Comoros, Ecuador, Egypt, Guyana, India, Iran, Iraq, Israel, Italia, Jordan, Lebanon, Pakistan, Paraguay, Peru, Poland, Russia (South European territory), North America, Saudi Arabia, Seychelles, Suriname, Turkey, Uruguay, Venezuela, Burundi, Djibouti, Ethiopia, Eritrea, Kenya, Rwanda, South Africa, Sri Lanka (new record), Sudan, Syria, Tanzania, Uganda.

Biological notes. The tamarind seed weevil is a congeneric species which is known to occur wherever the tamarind ( Tamarindus indica L.) is grown.

Sitophilus oryzae (Linnaeus 1763)

Curculio oryzae Linnaeus 1763: 12 .

Curculio bituberculatus Fabricius 1781: 171 .

Curculio frugilegus DeGeer 1775: 273 .

Calandra funebris Rey 1895: 50 View in CoL .

Curculio granarius Strøm 1783: 56 . [HN]

Calandra minor Sasaki 1899: 202 .

Calandra orizae Masters 1886: 684 . [NA]

Sphenophorus quadriguttatus Montrouzier 1861: 910 .

Calandra sasakii Takahashi 1928: 164 View in CoL . [RN]

Calandra uniseriata Dufour 1843: 8 View in CoL .

Sri Lankan records. Walker (1861); Motschulsky (1863 —Nura Ellia).

Distribution. Cosmopolitan.

Biological notes. The rice weevil is the most serious cosmopolitan pests of stored cereal grains.

Sitophilus zeamais Motschulsky 1855

Sitophilus oryzae var. zeamais Motschulsky 1855: 77 View in CoL .

Calandra chilensis Philippi & Philippi 1864: 374 View in CoL .

Calandra platensis Zacher 1922: 56 .

Cossonus quadrimaculus Walker 1859b: 219 . [ Type locality: Ceylon]

Sri Lankan records. Walker (1859b).

Distribution. Cosmopolitan.

Sitophilus granarius Linnaeus 1758

Curculio granarius Linnaeus 1758: 378

Curculio contractus Geoffroy 1785: 126 View in CoL

Curculio flavipes Panzer 1798b: 55 View in CoL [HN]

Calandra laevicosta R.A. Philippi & F. Philippi 1864: 374

Curculio pulicarius Panzer 1798b: 54 [HN]

Curculio segetis Linnaeus 1758: 381 View in CoL

Curculio unicolor Marsham 1802: 275 View in CoL

Sri Lankan records. Suhriani et al. (2023: 263).

Distribution. Cosmopolitan.

Biological notes. The maize weevil and granary weevil are the most serious cosmopolitan pests of stored cereal grains.

Subtribe Polytina Zimmerman 1993

Genus Polytus Faust 1894 View in CoL

Polytus Faust 1894: 353 View in CoL . [ Type species: Sitophilus mellerborgii Boheman 1838 View in CoL ]

Polytus mellerborgii (Boheman 1838)

Sitophilus mellerborgii Boheman 1838: 976 View in CoL . [ Type locality: Java]

Sphenophorus musaecola Fairmaire 1898: 489 View in CoL . [ Type locality: Madagascar]

Calandra remotus Sharp 1885: 183 View in CoL . [ Type locality: Honolulu]

Sri Lankan records. Csiki (1936); Zimmerman (1968); Singh & Ramesha (2018)

Distribution. Costa Rica, Hawaii, Honduras, India, Indonesia, Japan, Madagascar, Malaysia, Mexico, Myanmar, Pakistan, Panama, Papua New Guinea, Seychelles, Sri Lanka , Taiwan.

Biological notes. The small banana weevil, Polytus mellerborgi , bores in the decaying corms and stalks of bananas and plantains ( Musa spp. ).

Subtribe Rhynchophorina Schoenherr 1833

Genus Cyrtotrachelus Schoenherr 1838 View in CoL

Cyrtotrachelus Schoenherr 1838: 833 View in CoL . [ Type species: Curculio longipes Fabricius 1781 View in CoL = Cyrtotrachelus thompsoni Alonso-Zarazaga & Lyal 1999 View in CoL ]

Roelofsia Ritsema, 1891: 148 . [ Type species: Cyrtotrachelus buquetii Guérin-Méneville 1844 View in CoL ]

Cyrtotrachelus rufopectinipes Chevrolat 1883 View in CoL

Cyrtotrachelus rufopectinipes Chevrolat 1883: 556 View in CoL . [ Type locality: Andaman]

Cyrtotrachelus obscuriceps Chevrolat 1883: 556 View in CoL . [ Type locality: Ceylon]

Cyrtotrachelus birmanicus Faust 1894: 321 View in CoL .

Cyrtotrachelus montanus Heller 1923: 154 View in CoL .

Cyrtotrachelus subnotatus Voss 1931: 37 View in CoL .

Cyrtotrachelus rufithorax Heller 1923: 154 View in CoL

Sri Lankan records. Chevrolat (1883); Csiki (1936); Singh & Ramesha (2018).

Distribution. China (Hubei, Jiangxi, Yunnan), India (Andaman), Sri Lanka.

Genus Omotemnus Chevrolat 1883 View in CoL

Omotemnus Chevrolat 1883: 559 View in CoL . [ Type species: Calandra serrirostris Fabricius 1801 View in CoL ]

Omotemnus introducens (Walker 1859) View in CoL

Rhynchophorus introducens Walker 1859b: 218 View in CoL . [ Type locality: Ceylon]

Omotemnus ceylanensis Roelofs 1869: 343 View in CoL . [ Type locality: Ceylon]

Sri Lankan records. Walker (1859b); Walker (1861); Motschulsky (1863 —Nura Ellia); Rhynchophorus introductus Walker [sic]; Roelofs (1869); Csiki (1936).

Distribution. Sri Lanka.

Genus Otidognathus Lacordaire 1865 View in CoL

Otidognathus Lacordaire 1865: 273 View in CoL . [RN] [ Type species: Litorhynchus westermanni Boheman 1845 ] Litorhynchus Schoenherr 1845: 222 View in CoL . [HN] [ Type species: Litorhynchus westermanni Boheman 1845 ]

Otidognathus meridionalis Günther 1938 View in CoL

Otidognathus meridionalis Günther 1938: 72 View in CoL .

Sri Lankan records. Günther (1938).

Distribution. Sri Lanka.

Genus Protocerius Schoenherr 1838 View in CoL

Protocerius Schoenherr 1838: 828 View in CoL . [ Type species: Curculio colossus Olivier 1791 ]

Protocerius colossus (Olivier 1791) View in CoL

Curculio colossus Olivier 1791: 472 .

Calandra heros Fabricius 1801: 431 View in CoL .

Calandra molossus Olivier 1807: 75

Protocerius goliath Guérin-Méneville 1844: 174 View in CoL .

Protocerus molossus Olivier [sic]: Walker 1861: 451; Motschulsky 1863: 529.

Sri Lankan records. Walker (1861); Motschulsky (1863 —Nura Ellia).

Distribution. Sri Lanka.

Genus Rhynchophorus Herbst, 1795

Rhynchophorus Herbst 1795 : pl. LX. [ Type species: Curculio palmarum Linnaeus 1758 ]

Cordyle Thunberg 1797: 44 . [ Type species: Curculio palmarum Linnaeus 1758 ]

Rhynchophorus ferrugineus (Olivier 1791)

Curculio ferrugineus Olivier 1791: 473 View in CoL .

Rhynchophorus cinctus Faust 1893: 520 View in CoL .

Rhynchophorus dimidiatus Faust 1894: 330 View in CoL .

Rhynchophorus glabrirostris Schaufuss 1885: 203 View in CoL .

Curculio hemipterus Sulzer 1776: 39 . [NA]

Rhynchophorus indostanus Chevrolat 1883: 562 View in CoL .

Rhynchophorus pascha Boheman 1845: 218 View in CoL .

Rhynchophorus papuanus Kirsch 1877: 156 View in CoL .

Rhynchophorus seminiger Faust 1894: 330 View in CoL .

Rhynchophorus signaticollis Chevlorat 1883: 562 View in CoL . [ Type locality: Ceylon]

Calandra schach Fabricius 1801: 433 View in CoL .

Cordyle sexmaculatus Thunberg 1797: 46 View in CoL .

Rhynchophorus tenuirostris Chevrolat 1883: 561 View in CoL .

Sri Lankan records. Walker (1861); Motschulsky (1863 —Nura Ellia); Chevlorat (1883); Heller (1901: 339 —Kandy, Nalanda, Negombo, Paradna, Puttalam); Csiki (1936); Siriwardena et al. (2010); Singh & Ramesha (2018).

Distribution. Albania, Arab Emirates, Aruba, Australia, Bahrain, Bangladesh, Canary Islands, China (Guangdong, Hainan, Xinjiang, Yunnan), Croatia, Cyprus, Egypt, France, Greece, Georgia, India, Indonesia, Iran, Iraq, Israel, Italy, Japan, Jordan, Kuwait, Laos, Lebanon, Libya, Malaysia, Malta, Morocco, Myanmar, Nepal, Netherlands Antilles, Oman, Pakistan, Papua New Guinea, Philippines, Portugal, Qatar, Republic of Georgia, Samoa, Saudi Arabia, Singapore, Slovenia, Solomon Islands, Spain, Sri Lanka , Syria, Taiwan, Thailand, Tunisia, Turkey, United Arab Emirates, Vietnam, Yemen.

Biological notes. The red palm weevil, Rhynchophorus ferrugineus , is considered a major pest in palm plantations, including the coconut palm ( Cocos ), date palm ( Phoenix ) and oil palm ( Elaeis ).

Subtribe Sphenophorina Lacordaire 1865 View in CoL

Remarks. Sphaenophorus dehaani? Jekel reported from Ceylon in the papers of Walker (1861: 451) and Motschulsky (1863: 529) was removed in the list of Junk Catalogue ( Csiki 1936) (Walker and Motschulsky cited the species name with a question mark). This species is currently known as Peribleptus dehaani (Jekel 1872) belonging to the subfamily Molytinae .

Genus Cosmopolites Chevrolat 1885 View in CoL

Cosmopolites Chevrolat 1885: 289 View in CoL . [ Type species: Calandra sordida Germar 1823 View in CoL ]

Cosmopolites sordidus (Germar 1823) View in CoL

Calandra sordidus Germar 1823: 299 View in CoL .

Sphenophorus cribricollis Walker 1859b: 218 View in CoL . [ Type locality: Ceylon]

Sphenophorus maderensis Hoffmann 1938: 48 View in CoL .

Curculio mendicus Olivier 1791: 480 . [NO]

Sphenophorus striatus Fåhraeus 1845: 251 View in CoL .

Sri Lankan records. Walker (1859b); Motschulsky (1863 —Nura Ellia); Heller (1901: 339 —Bentota, Colombo, Negombo, Puttalam, Weligama); Csiki (1936); Voss (1957 —Akurana); Zimmerman (1968); Singh & Ramesha (2018).

Distribution. Australia, Brazil, Canary Islands, Chile, China (Fujian, Guangdong, Guizhou, Guangxi, Hong Kong, Hainan, Yunnan), Costa Rica, Cuba, Dominica, El Salvador, France, Fiji, Gabon, Guadeloupe, Haiti, Honduras, India, Indonesia, Jamaica, Japan, Madagascar, Madeira Archipelaga, Malaysia, Mauritius, Mexico, Myanmar, Nepal, New Zealand, Pakistan, Panama, Papua New Guinea, Portugal, Polynesia (Cook Island), Puerto Rico, French Polynesia (Tonga, Tuvalu), Samoa, Seychelles, Spain, Sri Lanka , Taiwan, United States of America (Florida) , Vietnam.

Biological notes. The banana weevil, Cosmopolites sordidus , is the most important insect pest of bananas and plantains ( Musa spp. ).

Genus Nassophasis Waterhouse 1879 View in CoL

Nassophasis Waterhouse 1879: 17 View in CoL . [ Type species: Nassophasis foveata Waterhouse, 1879 View in CoL ]

Hilipomorphus Desbrochers des Loges 1891 View in CoL : ccclx. [ Type species: Hilipomorphus subfasciatus Desbrochers des Loges 1891 View in CoL = Nassophasis morreni Roelofs 1885 View in CoL ]

Nassophasis foveata Waterhouse 1879 View in CoL

Nassophasis foveata Waterhouse 1879: 18 View in CoL . [ Type locality: Ceylon]

Sri Lankan records. Waterhouse (1879); Csiki (1936); Singh & Ramesha (2018).

Distribution. India (North Eastern India), Sri Lanka.

Nassophasis morreni (Roelofs 1885)

Sphenophorus morreni Roelofs 1885: 10 .

Nassophasis pictipes Pascoe 1887: 378 View in CoL . [ Type locality:? Ceylon]

Sri Lankan records. Pascoe (1887); Csiki (1936).

Distribution. India (North Eastern India), Sri Lanka.

Genus Odoiporus Chevrolat 1885 View in CoL

Odoiporus Chevrolat 1885: 288 View in CoL . [ Type species: Calandra longicollis Olivier 1807 View in CoL ]

Odoiporus longicollis (Olivier 1807) View in CoL

Calandra longicollis Olivier 1807: 86 View in CoL .

Sphenophorus glabricollis Gyllenhal 1838: 913 View in CoL .

Sphenophorus glabridiscus Walker 1859b: 218 View in CoL . [ Type locality: Ceylon]

Odoiporus major Heller 1899: 33 View in CoL .

Sphenophorus planipennis Gyllenhal 1838: 911 View in CoL . [ Type locality: Java]

Sri Lankan records. Walker (1859b); Walker (1861); Motschulsky (1863 —Nura Ellia); Heller (1901: 339 — Anuradhapura, Colombo, Negombo, Puttalam, Weligama); Csiki (1936); Voss (1957 —Kandy, Deiyanneweda, Haragama, Avissawela); Singh & Ramesha (2018).

Distribution. Bhutan, China (Fujian, Guangdong, Guizhou, Guangxi, Hong Kong, Xinjiang, Yunnan), India, Indonesia, Iran, Japan, Malaysia, Nepal, Myanmar, Pakistan, Philippines, Singapore, Sri Lanka , Taiwan, Thailand, Vietnam.

Biological notes. Banana stem weevil is considered one of the major pests in banana cultivations. This weevil often infests by extensive tunneling in leaf sheaths and the core region of the pseudostem on banana plants ( Subramaniyan & Mohankumar 2006).

Genus Prodioctes Pascoe, 1874

Prodioctes Pascoe 1874: 66 . [ Type species: Prodioctes quinarius Pascoe 1874 ]

Subgenus Paraprodioctes Voss 1958a

Paraprodioctes Voss 1958a: 121 . [ Type species: Prodioctes chinensis Voss 1958 View in CoL ]

Prodioctes ( Paraprodioctes) haematicus ( Chevrolat 1885) View in CoL

Melopus haematicus Chevrolat 1885: 99 . [ Type locality: Ceylon]

Prodioctes singhalensis Faust 1895: 106 View in CoL . [ Type locality: Ceylon]

Sri Lankan records. Chevrolat (1885); Faust (1895); Csiki (1936); Singh & Ramesha (2018). Distribution. India (Nilgiris and Southern India), Sri Lanka.

Genus Rhabdoscelus Marshall 1943 View in CoL

Rhabdoscelus Marshall 1943: 119 . [RN] [ Type species: Sphenophorus maculatus Gyllenhal 1838 ]

Rhabdocnemis Faust 1893: 150 . [HN] [ Type species: Sphenophorus maculatus Gyllenhal 1838 ]

Rhabdocnemis Faust, 1894: 348 View in CoL . [HN] [ Type species: Sphenophorus maculatus Gyllenhal, 1838 View in CoL ]

Rhabdoscelus maculatus (Gyllenhal 1838)

Sphenophorus maculatus Gyllenhal 1838: 881 View in CoL . [ Type locality: Java]

Rhabdocnemis maculatus form carinicollis Voss 1937: 273.

Rhabdocnemis eucnemis Heller 1899: 33 View in CoL .

Sri Lankan records. Heller (1901: 339 —Kandy, Matala, Negombo, Weligama); Csiki (1936); Karunaratne et al. (2011).

Distribution. China (Yunnan), Java, Sumatra, Sri Lanka , Sulawesi.

Biological notes. The palm weevil, an important pest of ornamental palms, was carried out at Tropiflora Ornamental Palm Nurseries in Sri Lanka ( Karunaratne et al. 2011) .

Remarks. The members of Genus Rhabdoscelus have 13 recognized species (International Weevil Community Website, n.d.) that occur from the Pacific Islands westward to Japan, eastern Asia, Indonesia, and Australia. This species is sometimes believed to be synonymised with Rhabdoscelus obscurus , but there are records indicating a different biology and morphology. The synonymy with R. obscurus is actually with a junior homonym, R. maculatus Matsumura (International Weevil Community Website, n.d.).

Genus Trochorhopalus Kirsch 1877

Trochorhopalus Kirsch 1877: 156 . [ Type species: Sphenophorus strangulatus Gyllenhal 1838 ]

Trachorhopalon Chevrolat 1885: 101. [NA]

Trochorrhopalus Rye 1879: 74 View in CoL . [UE]

Trochorrhopalus Champion 1914: 492 View in CoL . [HN, UE]

Trochorhopalus humeralis Chevrolat 1885 View in CoL

Trochorhopalus humeralis Chevrolat 1885: 103 View in CoL . [ Type locality: China, Cambodia]

Sitophilus disciferus Walker 1859b: 219 . [ Type locality: Ceylon]

Trochorhopalus discicollis View in CoL [ non Walker] Chevrolat 1885: 101. [ Type locality: Ceylon]

Sri Lankan records. Chevrolat (1885); Walker (1859b); Walker (1861); Motschulsky (1863 —Nura Ellia); Csiki (1936).

Distribution. Cambodia, China (Yunnan), Sri Lanka.

Trochorhopalus leucogrammus Chevrolat 1885 View in CoL

Trochorhopalus leucogrammus Chevrolat 1885: 103 View in CoL . [ Type locality: Ceylon]

Sri Lankan records. Chevrolat (1885); Csiki (1936).

Distribution. Sri Lanka.

Tribe Stromboscerini Lacordaire 1865

Genus Orthosinus Motschulsky 1863 View in CoL

Orthosinus Motschulsky 1863: 525 View in CoL . [ Type species: Orthosinus velatus Motschulsky 1863 View in CoL ]

Orthosinus tuberculicollis Voss 1957 View in CoL

Orthosinus tuberculicollis Voss 1957: 113 View in CoL [ Type locality: Ceylon]

Sri Lankan records. Voss (1957); Grebennikov (2018); Legalov (2021:80).

Distribution. Sri Lanka.

Orthosinus velatus ( Motschulsky 1863) View in CoL

Xerodermus velatus Motschulsky 1863: 526 . [ Type locality: Ceylon — Nura Ellia ]

Sri Lankan records. Motschulsky (1863 —Nura Ellia); Heller (1901: 339 —Horton Plaine); Csiki (1936); Beeson (1941: 295); Grebennikov (2018).

Distribution. Sri Lanka.

Genus Xerodermus Lacordaire 1865 View in CoL

Xerodermus Lacordaire 1865: 307 View in CoL . [ Type species: Xerodermus porcellus Lacordaire 1865 View in CoL = Orthosinus sculpticollis Motschulsky 1863 View in CoL ]

Xerodermus sculpticollis ( Motschulsky 1863)

Orthosinus sculpticollis Motschulsky 1863: 526 View in CoL . [ Type locality: Ceylon — Nura Ellia ]

Xerodermus porcellus Lacordaire 1865: 307 View in CoL .

Sri Lankan records. Motschulsky (1863 —Nura Ellia); Csiki (1936); Grebennikov (2018).

Distribution. Sri Lanka.