Abstract
Five species of the genus Drosophila are described and illustrated: D.zamoranasp. n., D.quinarensissp. n., D.sachapuyusp. n., D.caxarumisp. n., and D.misisp. n. from the cloud forests of the Podocarpus National Park, in the southern Ecuadorian Andes. Flies were captured using plastic bottles containing pieces of fermented banana with yeast. All the species were found to belong to the Drosophilaguarani species-group.
Highlights
The general shape of the male terminalia suggests that this species belongs to the Drosophila guarani group
Nineteen species have been previously placed in the guarani group (Vilela and Bachli 1990; Vilela and Pereira 1993; Vela and Rafael 2004; Vela and Rafael 2005; Ratcov et al 2017; Vaz et al 2018)
With the five new species described in this paper, the southern Andes of Ecuador are home to almost the same number of guarani group species previously described
Summary
The guarani group of Drosophila was proposed by Dobzhansky & Pavan (1943) and included 12 species until 1993: D. alexandrei Cordeiro, 1951; D. araucana Brncic, 1957; D. griseolineata Duda, 1927; D. guaraja King, 1947; D. guaru Dobzhansky & Pavan, 1943; D. huilliche Brncic, 1957; D. limbinervis Duda, 1925; D. maculifrons Duda, 1927; D. ornatifrons Duda, 1927; D. peruensis Wheeler, 1959; D. subbadia Patterson & Mainland, 1943, and D. tucumana Vilela & Pereira, 1985 (Vilela and Pereira 1993). Vela and Rafael (2004) described three new species from the Pasochoa forest in Pichincha, Ecuador: Drosophila ecuatoriana, D. pichinchana, and D. quitensis. The guarani species group is probably not monophyletic which would invalidate this traditional subgroup division (Robe et al 2002) Most of these species are of medium size, have a brown coloration, but differ in shade and intensity. We discuss the similarities between these new species and the others in the guarani group
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