Oedipina alleni Taylor 1954

Diagnosis: Oedipina alleni can be distinguished from other species in its genus by the following combination of characters: moderate size, light brown coloration usually with extensive light markings on the head and tail, 17 costal grooves, snout long and bluntly pointed, and digits with distal portions free of webbing (Savage 2002).Description: A moderate-sized salamander, with adults measuring 114 - 151 mm in total length. The standard length of males ranges from 40 - 48 mm and that of females is between 42 - 58 mm. Oedipina alleni is a somewhat uncommon moderate-sized light brown salamander with long limbs. This species has 17 costal grooves, and 6.5 - 8.5 costal grooves are present between adpressed limbs. Head width is 8.5 - 10.6% of standard length. The snout is long and comes to a blunt point. Eyes are small. Its fingers and toes have distal portions free of web. The tail is robust and moderately short (56 - 62% of the total length). Up to four maxillary teeth are present but do not extend posteriorly beyond the choanae. Vomerine teeth number 11 - 19. Legs are long, 17 - 22% of standard length. Hands and feet are neither flat or broadly palmate. Toe III is bluntly rounded. Distal portions of the digits are free of webbing. The dorsal surfaces of Oedipina alleni are light brown with cream-colored markings on the tail, head, and body. These markings include an occipital light blotch. The venter is reticulated with brown around the cream spots (Savage 2002).Similar species:Oedipina alleni can be distinguished from O. savagei by having a narrower head (broader for O. savagei), a bluntly pointed snout (vs. broadly rounded snout for O. savagei) and by having fewer maxillary teeth (0 - 4 not extending posteriorly beyond choanae, vs. 7 - 18 maxillary teeth that continue posterior to the level of the choanae for O. savagei). O. alleni can be distinguished from O. collaris by having a bluntly pointed snout (vs. truncate for O. collaris) and by having fewer costal grooves (17 for O. alleni, vs. 19 - 22 for O. collaris) (Savage 2002). A Spanish-language species account can be found at the website of Instituto Nacional de Biodiversidad (INBio) (http://darnis.inbio.ac.cr/FMPro?-DB=UBIpub.fp3&-lay=WebAll&-Format=/ubi/detail.html&-Op=bw&id=4352&-Find).Species authority: Taylor (1954).Brame (1968) synonymized O. alleni with O. parvipes; subsequently Good and Wake (1997) resurrected the name O. alleni for the Costa Rican and western Panamanian forms, which were found to comprise a distinct taxon from the forms in central Panama to western Colombia.

O. alleni occurs on the Pacific slopes of southwestern Costa Rica and in extreme western Panama from sea level to 880 asl. It can be found in leaf-litter in lowland and premontane rain forest (Savage 2002).

The major threat to this species is the opening up of its forest habitat for agriculture, logging, and human settlement. It is capable of tolerating some habitat disturbance since it survives in old banana plantations and somewhat degraded habitats. It occurs in several protected areas: in Costa Rica, within Parque Nacional Manuel Antonio (Bolaños et al. 2008), Parque Nacional Corcovado (Bolaños et al. 2008), and Parque Nacional Carara (Laurencio and Malone 2009), and in Panama, within Parque Nacional Volcán Barú. It may also occur in other protected areas (Bolaños et al. 2008).

This species is presumed to be a direct developer like other bolitoglossine salamanders (Bolaños et al. 2008). It is the only Oedipina species known to climb (Wake 2020).

Es una salamandra diminuta. El cuerpo es jaspeado con colores crema y café, convirtiéndose en crema o color café con leche en la cola. Tiene una raya oscura a lo largo del lado de la cabeza, cuerpo y cola. Gran parte de la cabeza es de color crema. El mentón es blanco. La cola es más alta que ancha.

Presenta 18 surcos costales y 17 pliegues costales. Los dientes maxilares están reducidos a 2 en cada lado, tienen 2 dientes premaxilares. Los dientes paravomerianos se ubican en un sólo parche con cerca de 110 dientes, tienen de 5 a 7 dientes vomerianos. Las coanas son grandes y no están muy separadas. Carecen de un surco longitudinal detrás del ojo. Carecen de líneas arqueadas o surcos sobre el mentón. Los miembros presionados están separados por cerca de 7 pliegues costales.

Localidad del tipo: Palmar Sur, Puntarenas, Costa Rica.
Depositario del tipo: KU 34926
Recolector del tipo:

Distribucion en Costa Rica: En las tierras húmedas, bajas y medias, del Pacífico central y sur, entre 2 y 880 m. de elevación (Savage 2002).
Distribucion General: Se encuentran desde el suroeste de Costa Rica, a través de Panamá hasta el suroeste de Colombia.

Oedipina alleni is a species of salamander in the family Plethodontidae. Its common name is Allen's worm salamander. It is found in Costa Rica and Panama.

Oedipina alleni es una especie de salamandras en la familia Plethodontidae. Habita en Costa Rica y Panamá. Su hábitat natural son los bosques húmedos tropicales o subtropicales a baja altitud, plantaciones, jardines rurales y zonas previamente boscosas ahora muy degradadas. Está amenazada de extinción debido a la destrucción de su hábitat.

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Oedipina alleni Oedipina generoko animalia da. Anfibioen barruko Plethodontidae familian sailkatuta dago, Caudata ordenan.

Oedipina alleni est une espèce d'urodèles de la famille des Plethodontidae.

Oedipina alleni é uma espécie de salamandra da família Plethodontidae.

Pode ser encontrada nos seguintes países: Costa Rica e Panamá.

Os seus habitats naturais são: florestas subtropicais ou tropicais húmidas de baixa altitude, plantações , jardins rurais e florestas secundárias altamente degradadas.

Está ameaçada por perda de habitat.

Oedipina alleni là một loài kỳ giông trong họ Plethodontidae. Nó được tìm thấy ở Costa Rica và Panama. Các môi trường sống tự nhiên của chúng là các khu rừng ẩm ướt đất thấp nhiệt đới hoặc cận nhiệt đới, các đồn điền, vườn nông thôn, và các khu rừng trước đây bị suy thoái nặng nề. Nó bị đe dọa do mất môi trường sống.