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Docosia adusta sp. nov. (Diptera: Mycetophilidae) from the Colombian Andes: a Holarctic element in northwestern South America

Published online by Cambridge University Press:  07 September 2012

Sarah Siqueira Oliveira  and
Dalton de Souza Amorim
Sarah Siqueira Oliveira*
Affiliation:
Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Departamento de Biologia, Universidade de São Paulo, Avenida Bandeirantes 3900, CEP 14040-901, Ribeirão Preto, São Paulo, Brazil
Dalton de Souza Amorim
Affiliation:
Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Departamento de Biologia, Universidade de São Paulo, Avenida Bandeirantes 3900, CEP 14040-901, Ribeirão Preto, São Paulo, Brazil
*
Corresponding author (e-mail: [email protected]).
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Abstract

A third Neotropical species of the genus Docosia Winnertz is described from the Colombian Andes. Three males and four females of D. adusta sp. nov. from Cundinamarca, Colombia, collected at 3600m elevation were examined. Detailed illustrations of the male and female terminalia are presented and morphological differences in relation to those of other species of the genus are discussed. The relationships between Holarctic and Neotropical species within Docosia are discussed and overlap of circumantarctic, tropical, and Nearctic elements in the northern Andes is considered.

Résumé

Nous décrivons une troisième espèce néotropicale du genre Docosia Winnertz des Andes de Colombie à l'examen de trois mâles et quatre femelles de D. adusta sp. nov. de Cundinamarca, Colombie, récoltés à 3600m. Nous présentons des illustrations détaillées des derniers segments abdominaux du mâle et de la femelle et discutons des différences morphologiques avec les autres espèces du genre. Nous traitons des relations entre les espèces holarctiques et néotropicales au sein de Docosia, en particulier du chevauchement des éléments circumantarctiques, tropicaux et néarctiques dans le nord des Andes.

[Traduit par la Rédaction]

Type
Research Article
Information
The Canadian Entomologist , Volume 143 , Issue 6 , December 2011 , pp. 688 - 696
Copyright
Copyright © Entomological Society of Canada 2011

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