MtDNA species-level phylogeny and delimitation support significantly underestimated diversity and endemism in the largest Neotropical cichlid genus (Cichlidae: Crenicichla)

Crenicichla is the largest and most widely distributed genus of Neotropical cichlids. Here, we analyze a mtDNA dataset comprising 681 specimens (including Teleocichla, a putative ingroup of Crenicichla) and 77 out of 105 presently recognized valid species (plus 10 out of 36 nominal synonyms plus over 50 putatively new species) from 129 locations in 31 major river drainages throughout the whole distribution of the genus in South America. Based on these data we make an inventory of diversity and highlight taxa and biogeographic areas worthy of further sampling effort and conservation protection. Using three methods of molecular species delimitation, we find between 126 and 168 species-like clusters, i.e., an average increase of species diversity of 65–121% with a range of increase between species groups. The increase ranges from 0% in the Missioneira and Macrophthama groups, through 25–40% (Lacustris group), 50–87% (Reticulata group, Teleocichla), 68–168% (Saxatilis group), 125–200% (Wallacii group), and 158–241% in the Lugubris group. We found a high degree of congruence between clusters derived from the three used methods of species delimitation. Overall, our results recognize substantially underestimated diversity in Crenicichla including Teleocichla. Most of the newly delimited putative species are from the Amazon-Orinoco-Guiana (AOG) core area (Greater Amazonia) of the Neotropical region, especially from the Brazilian and Guiana shield areas of which the former is under the largest threat and largest degree of environmental degradation of all the Amazon.

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Fourteen new species ofOecetisMcLachlan, 1877 (Trichoptera: Leptoceridae) from the Neotropical region

PeerJ ◽

10.7717/peerj.3753 ◽

2017 ◽

Vol 5 ◽

pp. e3753 ◽

Cited By ~ 4

Author(s):

Fabio B. Quinteiro ◽

Ralph W. Holzenthal

Keyword(s):

New Species ◽

Neotropical Region ◽

Valid Species ◽

Light Traps ◽

Larval Stages ◽

The Past ◽

Biogeographical Region ◽

Species Groups ◽

Malaise Traps ◽

Maxillary Palps

BackgroundThe caddisfly genusOecetiscurrently contains 534 valid species. Its larval stages are found in freshwaters around the world. The adults can be distinguished from other Leptoceridae by the unbranched forewing M vein and the exceptionally long maxillary palps. In the Neotropical region, 55 species ofOecetishave been recorded and most of them can be placed in one of the six species groups known from this biogeographical region: theavara-,falicia-,inconspicua-,punctata-,punctipennis-, andtestacea-groups. More than 50% of the known diversity of NeotropicalOecetishas been described in the past 40 years. Here, we describe an additional 14 new species ofOecetisto further document the diversity of this genus in the Neotropical region.MethodsThe descriptions and illustrations presented here are based on male specimens. Specimens were collected with Malaise traps or ultraviolet light traps. They were preserved in alcohol or pinned as stated in material examined section. Specimens had their genitalia prepared in 85% lactic acid to better observe internal characters and illustrations were aided by the use of a microscope with drawing tube attached.Results and DiscussionThis study raises the number of species ofOecetisin the Neotropics from 55 to 69. Eight of the new species presented here could not be reliably placed in one of the known species groups (Oecetis acuticlaspern. sp.,Oecetis flintin. sp.,Oecetis carinatan. sp.,Oecetis cassicoleatan. sp.,Oecetis blahnikin. sp.,Oecetis gibbosan. sp.,Oecetis licinan. sp., andOecetis pertican. sp.). The others are placed in thepunctata-group (Oecetis bidigitatan. sp.,Oecetis quasipunctatan. sp.),testacea-group (Oecetis plenuspinosan. sp.), andfalicia-group (Oecetis calorin. sp.,Oecetis hastapullan. sp.,Oecetis machaeran. sp.). Most of the diagnostic characters rely on structures of the inferior appendages and phallic apparatus, and the shape of tergum X.

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Review of Gonatocerus (Hymenoptera: Mymaridae) in the Neotropical region, with description of eleven new species

Zootaxa ◽

10.11646/zootaxa.2456.1.1 ◽

2010 ◽

Vol 2456 (1) ◽

pp. 1 ◽

Cited By ~ 16

Author(s):

SERGUEI V. TRIAPITSYN ◽

JOHN T. HUBER ◽

GUILLERMO A. LOGARZO ◽

VLADIMIR V. BEREZOVSKIY ◽

DANIEL A. AQUINO

Keyword(s):

New Species ◽

Costa Rica ◽

Dominican Republic ◽

Neotropical Region ◽

Species Group ◽

The Other ◽

Valid Species ◽

Neotropical Species ◽

Distribution Ranges ◽

Species Groups

The described Neotropical species of the common and speciose fairyfly genus Gonatocerus Nees ab Esenbeck (Hymenoptera: Mymaridae) are reviewed and re-diagnosed. Eighty-four valid species are recognized including 11 newly described ones. Illustrated identification keys are provided to identify the 5 subgenera recognized in Gonatocerus and to females of each subgenus. The keys include 79 of the treated species, the other five species are known from males only. The known distribution ranges of the species, including new records of extralimital specimens examined, are given. Host associations of the treated species are also given, with emphasis on those species that parasitize eggs of proconiine sharpshooters (Hemiptera: Cicadellidae: Cicadellinae: Proconiini), all of which belong to the ater and morrilli subgroups of the ater species group of G. (Cosmocomoidea Howard), stat. rev. The other four recognized subgenera within Gonatocerus are the nominate subgenus, G. (Gonatocerus) (= sulphuripes species group of authors), G. (Lymaenon Walker), stat. rev. (= litoralis and straeleni species groups of authors), G. (Gastrogonatocerus Ogloblin), stat. rev. (= membraciphagus species group of authors), and G. (Gahanopsis Ogloblin), syn. n. & stat. n. (= deficiens species group of authors). Newly treated as synonyms of G. (Lymaenon) are Rachistus Foerster, Oophilus Enock, Agonatocerus Girault, Gonatoceroides Girault, and Decarthrius Debauche, all syn. n. Two species groups are recognized within G. (Cosmocomoidea) in the New World: the ater group, to which most Neotropical species belong (with the ater, bucculentus, morrilli, and the newly defined chusqueicolus subgroups) and the masneri group, with two described species from the Dominican Republic. The 11 new species described are G. (Gahanopsis) arkadak Triapitsyn sp. n. (Colombia), G. (Cosmocomoidea) barbos Triapitsyn sp. n. (Costa Rica and Mexico), G. (Cosmocomoidea) blefuscu Triapitsyn sp. n. (Costa Rica), G. (Cosmocomoidea) cuscus Triapitsyn sp. n. (Peru), G. (Cosmocomoidea) garchamp Triapitsyn sp. n. (Argentina), G. (Cos- mocomoidea) gerasim Triapitsyn sp. n. (Mexico), G. (Cosmocomoidea) hispaniolus Triapitsyn & Huber sp. n. (Dominican Republic), G. (Cosmocomoidea) kiskis Triapitsyn sp. n. (Argentina), G. (Cosmocomoidea) logarzoi Triapitsyn sp. n. (Argentina), G. (Cosmocomoidea) mumu Triapitsyn sp. n. (Argentina), and G. (Cosmocomoidea) rakitovi Triapitsyn sp. n. (Costa Rica). Seven new synonymies are proposed: Gonatocerus h-luteum (Ogloblin) syn. n. under G. (Cosmoco- moidea) nigriflagellum (Girault); G. enicmophilus Huber syn. n. and G. necator (Ogloblin) syn. n. under G. (Cosmoco- moidea) bonariensis (Brèthes); G. dimorphus (Ogloblin) syn. n. and G. monrosi (Ogloblin) syn. n. under G. (Gastrogonatocerus) margiscutum Girault; and G. setulosus (Ogloblin) syn. n. and G. dorsiniger (Ogloblin) syn. n. under G. (Gastrogonatocerus) membraciphagus Ogloblin. Litus maculipennis Ashmead, Gahanopsis deficiens (Ogloblin), and Gahanopsis straeleni (Debauche) are transferred to Gonatocerus as, respectively, G. (Cosmocomoidea) maculipennis (Ashmead) comb. n., G. (Gahanopsis) deficiens (Ogloblin) comb. n., and G. (Lymaenon) straeleni (Debauche) comb. n. Lectotypes are designated for the following 23 species: G. (Gahanopsis) acanophorae (Ogloblin), G. (Gahanopsis) aethalionis (Ogloblin), G. (Cosmocomoidea) annulicornis (Ogloblin), G. (Gastrogonatocerus) anomocerus Crawford, G. (Gonatocerus) appendiculatus (Ogloblin), G. (Gonatocerus) bonaerensis (Ogloblin), G. (Cosmocomoidea) caudatus (Ogloblin), G. (Cosmocomoidea) concinnus (Ogloblin), Lymaenon (Gastrogonatocerus) dimorphus Ogloblin, G. (Gona- tocerus) excisus (Ogloblin), G. (Cosmocomoidea) gracilicornis (Ogloblin), G. (Cosmocomoidea) grandis (Ogloblin), Lymaenon h-luteum Ogloblin, G. (Cosmocomoidea) inauditus (Ogloblin), G. (Gastrogonatocerus) juvator Perkins, G. (Gastrogonatocerus) margiscutum Girault, G. (Cosmocomoidea) metanotalis (Ogloblin), G. (Cosmocomoidea) nasutus (Ogloblin), Lymaenon necator Ogloblin, G. (Cosmocomoidea) nigrithorax (Ogloblin), G. (Lymaenon) pratensis (Ogloblin), G. (Gonatocerus) stenopterus (Ogloblin), and G. (Gonatocerus) urocerus (Ogloblin).

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Early Archaic Settlement on the Southeastern Atlantic Slope: A View from the Rucker's Bottom Site, Elbert County, Georgia

North American Archaeologist ◽

10.2190/f9k3-4qrh-l3eu-6nqr ◽

1984 ◽

Vol 4 (3) ◽

pp. 177-210 ◽

Cited By ~ 4

Author(s):

David G. Anderson ◽

Joseph Schuldenrein

Keyword(s):

Raw Materials ◽

Raw Material ◽

Savannah River ◽

Large Measure ◽

Early Archaic ◽

Major River ◽

Tool Types ◽

High Degree ◽

River Drainages ◽

Southeastern Atlantic

In 1981 and 1982 a 160 m2 block was opened into the Early Archaic deposits at the Rucker's Bottom site in northeast Georgia along the upper Savannah River. An assemblage dominated by Palmer points, expedient flake tools, and debitage was recovered, and is compared to Early Archaic assemblages from elsewhere on the southeastern Atlantic slope. While there is considerable variability in the quantity of material recovered from individual sites over the region (something interpreted here as due in large measure to reoccupation), the composition, or content of Early Archaic assemblages is surprisingly uniform. Most assemblages are characterized by crude bifacial core/tools, expedient unifaces, and debitage. Other tool types, particularly hafted bifaces, formal unifaces, and cobble tools, are less common. Extralocal raw materials most commonly appear on sites along major river drainages, while raw material use in the interriverine area appears directed to local sources. A high degree of group mobility, particularly along major drainages, is suggested.

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New species of Rineloricaria (Siluriformes: Loricariidae) from the Paranaíba River basin, Brazil

Zootaxa ◽

10.11646/zootaxa.5072.6.2 ◽

2021 ◽

Vol 5072 (6) ◽

pp. 531-540

Author(s):

GUILHERME JOSÉ DA COSTA-SILVA ◽

CLAUDIO OLIVEIRA ◽

GABRIEL DE SOUZA DA COSTA E SILVA

Keyword(s):

New Species ◽

River Basin ◽

Color Pattern ◽

Neotropical Region ◽

Valid Species ◽

Southeastern Brazil ◽

Dark Spot ◽

Caudal Fin ◽

Fin Ray ◽

First Ray

Rineloricaria is a genus of armored catfish encompassing 67 valid species that are widely distributed throughout the Neotropical region. A new species of Rineloricaria is described from the Paranaíba River, Upper Paraná River basin, southeastern Brazil. Rineloricaria rodriquezae sp. n. is distinguished from its congeners by the combination of the following characters: caudal-fin color pattern with basal dark spot and subterminal dark bar on branched rays interspersed with a hyaline area; five series of lateral plates with two keeled in the mid-dorsal series around the insertion of the first ray of dorsal fin; and unbranched caudal-fin ray extended as long filaments.

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Aprostocetus (Ootetrastichus) infulatus (Hymenoptera: Eulophidae): description of the male, new distribution and first host records

Zootaxa ◽

10.11646/zootaxa.1438.1.4 ◽

2007 ◽

Vol 1438 (1) ◽

pp. 65 ◽

Cited By ~ 7

Author(s):

ERICA LUFT ALBARRACIN ◽

SERGUEI V. TRIAPITSYN

Keyword(s):

Neotropical Region ◽

Egg Parasitoids ◽

Valid Species ◽

New Distribution

The large and cosmopolitan genus Aprostocetus Westwood (Hymenoptera: Eulophidae: Tetrastichinae) currently includes 697 valid species (Noyes 2003). In the Neotropical region there are 52 described species of Aprostocetus, three of which belong to the subgenus Ootetrastichus Perkins. Species of A. (Ootetrastichus) are external egg parasitoids (acting as egg predators) of Hemiptera (Cicadellidae and Delphacidae), Orthoptera (Gryllidae), Odonata, and Coleoptera (Dytiscidae) (Clausen 1940; Graham 1987; Noyes 2003).

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Oxysarcodexia Townsend, 1917 (Diptera: Sarcophagidae)—a centennial conspectus

Zootaxa ◽

10.11646/zootaxa.4841.1.1 ◽

2020 ◽

Vol 4841 (1) ◽

pp. 1-126

Author(s):

CARINA MARA DE SOUZA ◽

THOMAS PAPE ◽

PATRICIA JACQUELINE THYSSEN

Keyword(s):

Costa Rica ◽

French Guiana ◽

Neotropical Region ◽

Biological Data ◽

Junior Synonym ◽

Valid Species ◽

Nominal Species ◽

Country Level ◽

Flesh Flies ◽

Comprehensive Study

A taxonomic conspectus is presented for the genus Oxysarcodexia Townsend, 1917, which is one of the most species-rich genera of New World flesh flies. It has its center of diversity in the Neotropical Region, with some species reaching into the Nearctic and a few species introduced to the Australasian and Oceanian Regions. Species within this genus are primarily dung-breeders, but some species have also been bred from vertebrate carcasses. Oxysarcodexia is defined and diagnosed, and a diagnosis, distributional data and known biological data are provided for each species together with figures of the habitus and male terminalia. Oxysarcodexia currently comprises 91 valid species, including six species newly described herein: O. alectoris sp. n. (French Guiana), O. angulosa sp. n. (Costa Rica), O. ariozanoi sp. n. (Brazil), O. graminifolia sp. n. (Colombia and Ecuador), O. maiae sp. n. (Ecuador), and O. rimata sp. n. (Ecuador). Two nominal species based on a male holotype, Oxysarcodexia bomplandi (Hall, 1937) and O subsericans (Walker, 1858), were left unidentified pending examination of their terminalia. Four nominal species, O. aureiceps (Macquart, 1855), O. dorisae Dodge, 1965, O. flavifrons (Macquart, 1846) and O. neivae Mattos, 1919, all described solely based on females, are considered of uncertain status pending a comprehensive study of females of this genus. Asioboettcheria Verves, 2001 is proposed as a junior synonym of Oxysarcodexia Townsend, 1917, syn. n., Oxysarcodexia cuernavaca Dodge, 1966 is proposed as a junior synonym of O. ventricosa (Wulp, 1895), syn. n., and Stackelbergeola papei Nandi, 1994 is proposed as a junior synonym of O. thornax (Walker, 1849), syn. n. A lectotype is designated for Sarcophaga varia Walker, 1836 [= O. varia (Walker, 1836)]. The newly-described O. ariozanoi and O. maiae are included in the “xon group” (former “Xarcophaga group”). New country-level distributional records are provided for O. adunca Lopes, 1975 (Ecuador), O. berlai Lopes, 1975 (Peru), O. cocais Carvalho-Filho, Sousa & Esposito, 2017 (Argentina), O. insolita Lopes, 1946 (Ecuador), O. jamesi Dodge, 1968 (Costa Rica), O. marina (Hall, 1938) (Brazil), O. nitida Soares & Mello-Patiu, 2010 (Ecuador), O. notata Soares & Mello-Patiu, 2010 (Brazil and Ecuador), and O. terminalis (Wiedemann, 1830) (Paraguay).

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Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species

Zootaxa ◽

10.11646/zootaxa.4756.1.1 ◽

2020 ◽

Vol 4756 (1) ◽

pp. 1-142

Author(s):

NIKITA J. KLUGE

Keyword(s):

Instar Larva ◽

Systematic Position ◽

Dorsal Side ◽

Valid Species ◽

Distal Margin ◽

New Taxon ◽

Natural Group ◽

Genital Development ◽

Species Groups ◽

Species Specific

The general characteristics of Thraulodes given by Traver and Edmunds (1967), is supplemented by the following: Larval labrum not always lacks median emargination, but in certain species the emargination is exposed ventrally and invisible from dorsal view; 5 denticles separated by 6 sensilla on its distal margin are initial for Ephemeroptera and present in all examined species of Thraulodes. Horseshoe row of hairs on dorsal side of glossa is characteristic for Thraulodes. Setal rows on larval femora and tibiae of fore, middle and hind legs are constant and peculiar for Thraulodes, while size and shape of the setae forming these rows is species-specific. The pair of «spears» on apices of penes represent rolls, whose canal serves as continuation of seminal duct; in course of genital development in last-instar larva, these spear-like rolls appear in the same way as tubular telopenes of Hermanellonota, that testifies about their homology. Based on this synapomorphy, Hermanellonota and Thraulodes are united into the new taxon Hermanellandria taxon n. New terms for describing coloration of subimaginal mesonotum are suggested. The following species and stages of development are described: (1) larva, subimago and ♂ imago of Th. ludmilae sp. n. from Panama; (2) larva, subimago, ♂ & ♀ imago and egg of Th. sinuosus Mariano & Flowers 2011 from Panama; (3) larva, subimago, ♂ & ♀ imago and egg of Th. telegraphicus Needham & Murphy 1924 from Peru; (4) larva, subimago, ♂ & ♀ imago and egg of Th. panamensis sp. n. from Panama; (5) subimago, ♂ & ♀ imago and assumed larva of Th. viviparus sp. n. from Panama; (6) larva, subimago, ♂ & ♀ imago and egg of Th. schlingeri Traver & Edmunds 1967 from Peru; (7) larva, subimago, ♂ & ♀ imago and egg of Th. marreroi Chacon et al. 1999 from Panama; (8) larva, subimago, ♂ & ♀ imago and egg of Th. quevedoensis Flowers 2009 from Peru; (9) larva, subimago, ♂ & ♀ imago and egg of Th. fascipennis sp. n. from Panama; (10) larva, subimago, ♀ imago and egg of Th. zonalis Traver & Edmunds 1967 from Panama; (11) larva, subimago, ♂ & ♀ imago and egg of Th. flavus sp. n. from Panama; (12) larva, subimago, ♂ & ♀ imago and egg of Th. spangleri Traver & Edmunds 1967 from Panama; (13) larva, subimago, ♂ & ♀ imago and egg of Th. niger sp. n. from Peru; (14) subimago, ♂ imago and assumed larva of Th. nigrabdominalis sp. n. from Peru; (15) larva, subimago, ♂ & ♀ imago and egg of Th. nigripes sp. n. from Peru; (16) larva, subimago, ♂ & ♀ imago and egg of Th. nigrotibialis sp. n. from Peru; (17) larva, subimago, ♂ & ♀ imago and egg of Th. alboniger sp. n. from Peru; (18) larva and subimago of Th. lepidus (Eaton 1884) from Panama. Unassociated larvae under arbitrary names Thraulodes sp. «Palo Seco» and Thraulodes sp. «Itaya» are described from Panama and Peru correspondingly. Additional descriptions of larva and subimago presumably determined as Th. consortis Domínguez 1987 are given. These species are arranged into several species groups, some of which are arbitrary, and some natural, e.g., the natural group sinuosus comprising Th. sinuosus and Th. ludmilae and the natural group schlingeri comprising Th. schlingeri and Th. marreroi. Th. cryptodrylus Nieto & Dominguez 2001 is a valid species name, not a synonym of Th. lepidus. Probable ovoviviparity is reported for Th. viviparus sp. n.

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A revision of species of the genus Haematoloechus Looss, 1899 (Trematoda: Haematoloechidae) from Canada and the United States

Canadian Journal of Zoology ◽

10.1139/z81-252 ◽

1981 ◽

Vol 59 (9) ◽

pp. 1836-1846 ◽

Cited By ~ 16

Author(s):

Murray J. Kennedy

Keyword(s):

United States ◽

Host Range ◽

Geographical Variation ◽

Rana Catesbeiana ◽

Field Studies ◽

The United States ◽

Valid Species ◽

Narrow Host Range ◽

Species Groups ◽

Degree Of Maturity

Previous experimental and field studies have shown that variations within the genus Haematoloechus may result from differences in age and degree of maturity, extent of crowding, species of host, and other factors.Based on these observations, only 6 of the 15 previously known species from Canada and the United States are considered valid. The valid species and their synonyms are as follows: Haematoloechus longiplexus Stafford, 1902; H. breviplexus Stafford, 1902; H. varioplexus Stafford, 1902 (= H. parviplexus, = H. buttensis, = H. similiplexus, = H. floedae, and H. uniplexus); H. kernensis Ingles, 1932 (= H. tumidus); H. medioplexus Stafford, 1902; and H. complexus (Seely, 1906) (= H. coloradensis, = H. confusus, = H. oxyorchis).The existence of three species groups is hypothesized. Haematoloechus longiplexus and H. breviplexus constitute one group, characterized by little geographical variation and a narrow host range. They are typically parasites of Rana catesbeiana and R. clamitans. Haematoloechus varioplexus and H. kernensis constitute the second group. These species have a wider host range and greater variation in characters purported to be specific differences. The third group includes those lung flukes which do not contain extracaecal loops (H. medioplexus and H. complexus). Of these, only H. medioplexus had little geographical variation and was found to occur in a single frog host.

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A new species of Imparfinis Eigenmann & Norris, 1900 (Siluriformes: Heptapteridae) from the Tapajós basin, Brazil

Zootaxa ◽

10.11646/zootaxa.4701.5.6 ◽

2019 ◽

Vol 4701 (5) ◽

pp. 461-472

Author(s):

ÍTHALO DA SILVA CASTRO ◽

WOLMAR BENJAMIN WOSIACKI

Keyword(s):

New Species ◽

Neotropical Region ◽

Valid Species ◽

Distal Margin ◽

Caudal Peduncle ◽

The Andes ◽

Brown Band ◽

Northern Brazil ◽

Uruguay River ◽

A New Species

Imparfinis comprises 20 valid species in the Heptapteridae, being the most diverse taxonomic group of catfishes of the Nemuroglanis subclade. The genus has one of the widest geographical distributions in the neotropical region, found on both sides of the Andes, from Costa Rica to the Paraná and Uruguay river basins in Argentina. A new species of Imparfinis is described from streams of the upper Rio Tapajós and its tributary Teles Pires in northern Brazil. The new species is diagnosed from all congeners by the presence of a vertical dark brown band W-shaped at the base of the caudal-fin rays, a thick dark brown lateral stripe from the snout to the end of the caudal peduncle, dark brown head, long maxillary barbel surpassing the distal margin of the pectoral fin, and presence of 39 or 40 total vertebrae.

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On some taxonomic and nomenclatural problems in Indian species of the genus Oligodon Fitzinger, 1826 (Squamata: Colubridae)

Zootaxa ◽

10.11646/zootaxa.2799.1.1 ◽

2011 ◽

Vol 2799 (1) ◽

pp. 1 ◽

Cited By ~ 24

Author(s):

PATRICK DAVID ◽

INDRANEIL DAS ◽

GERNOT VOGEL

Keyword(s):

Type Locality ◽

Valid Species ◽

Indian Species ◽

Northern India ◽

The Status ◽

Species Groups

This paper deals with three nomenclatural and taxonomic problems affecting two species groups of the colubrid snake genus Oligodon Fitzinger, 1826: (i) A neotype is formally designated for Coronella cyclura Cantor, 1839, associating this specific nomen with populations from India, Bangladesh and Myanmar with 19 scale rows at midbody; (ii) Oligodon kheriensis Acharji & Ray, 1936 is shown to be a valid species of the Oligodon cyclurus group occurring in northern India and Nepal; (iii) The type-locality of Simotes multifasciatus Jan & Sordelli, 1865 is shown to be Sultanpur, India. This taxon is considered a synonym of Oligodon cinereus (Günther, 1864). The range of this species in India is extended. The status of specimens of Oligodon cinereus from India and Myanmar is briefly discussed. Specimens from Thailand identified as Oligodon cinereus multifasciatus and Oligodon cinereus swinhonis (Günther, 1864) are referred to Oligodon joynsoni (Smith, 1917). India is home to at least 21 species of the genus Oligodon, an updated list of which is provided.

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