Erythrolamprus oligolepis (BOULENGER, 1905)
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Erythrolamprus oligolepis
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| Higher Taxa | Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | Portuguese: Cobra-de-Capim, Jararaquinha, Parelheira |
| Synonym | Liophis oligolepis BOULENGER 1905: 455 Liophis reginae semilineata — DIXON 1983: 3 (part.). Leimadophis oligolepis — CUNHA & NASCIMENTO 1993 Liophis oligolepis — FROTA et al. 2005 Erythrolamprus oligolepis — GRAZZIOTIN et al. 2012: 21 Erythrolamprus oligolepis — PEREIRA FAGUNDES DE FRANCA et al. 2013 Liophis oligolepis — WALLACH et al. 2014: 391 Erythrolamprus reginae semilineata — SANTOS-COSTA et al. 2015 Erythrolamprus oligolepis — NATERA-MUMAW et al. 2015: 173 Erythrolamprus oligolepis — ASCENSO et al. 2019 Erythrolampus oligolepis — RABOSKY et al. 2019 (in error) Erythrolamprus oligolepis — NOGUEIRA et al. 2019 |
| Distribution | Brazil (Acre, Amazonas, Rondônia, Pará, Mato Grosso and Maranhão), Venezuela, Peru (Iquitos, Estirón and Loreto) Type locality: “Igapé-Assu, Pará, Brazil.” Emended to Igarapé-Açu, Pará, Brazil fide Cunha & Nascimento (1993: 73). |
| Reproduction | oviparous. |
| Types | Holotype: BMNH 1946.1.4.66, juvenile male |
| Diagnosis | Diagnosis: Erythrolamprus oligolepis can be distinguished from all congeners by unique combination of the following characters: (1) dorsal scales rows 15, without reduction at the midbody; (2) apical pit single; (3) ventrals 134–166 in females and 142–160 in males; (4) subcaudals 55–67 in females and 53–64 in males; (5) dorsal coloration of the head olive green, extending to anterior third of the body, gradually changing to grayish-brown at midbody; (6) upper edges of supralabials with distinctive dark postorbital stripe; (7) belly creamish-white usually without black spots, except for the specimens of the west margin of the Amazon River, which present a slight pigmentation; (8) lateral black spots extending from anterior third of the body, between 2–3th dorsal scale rows, to form a lateral stripe, which extends to the end of the tail; (9) subcaudals without dots or spots; (10) intrasulcal region of hemipenial body with spines slightly elongated, arranged in a row extending from distal region of lobes to the level of bifurcation of sulcus spermaticus; (11) medial region of asulcate face of hemipenial body ornamented with spinules homegeneously distributed; (12) sulcus spermaticus bifurcates at half length of the hemipenial body; and (13) small body size (SVL 114–392 mm) [from ASCENSO et al. 2019]. |
| Comment | Synonymy partly after PETERS & OREJAS-MIRANDA 1970. Dixon 1983 placed Erythrolamprus oligolepis in the synonymy of Liophis reginae semilineata but CUNHA & NASCIMENTO 1993 revalidated it as Leimadophis oligolepis. Habitat: forest |
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