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      Two new native larval host plants of Hyles annei (Guérin-Méneville, 1839) (Lepidoptera, Sphingidae) in the Atacama Desert of northern Chile following exceptional summer rainfall

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      Nota Lepidopterologica

      Pensoft Publishers

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          Abstract

          Adults of the little-known Neotropical hawkmoth, Hyles annei (Guérin-Méneville, 1839) (Lepidoptera: Sphingidae: Macroglossinae: Macroglossini), were reared from larvae collected on Allionia incarnata L. (Nyctaginaceae) and Fagonia chilensis Hook. & Arn. (Zygophyllaceae) at about 1900 m elevation in the Atacama Desert of northern Chile. The two plants were growing after exceptionally high summer rainfall as part of a blooming desert event. These findings provide a clear example of the ability of this hawkmoth to use ephemeral and unpredictable resources in a hyperarid environment.

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          Antiquity of aridity in the Chilean Atacama Desert

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            Catálogo de las plantas vasculares de Chile

            RESUMEN Se presenta un catálogo de las plantas vasculares que crecen en Chile. Está organizado por divisiones, Pteridophyta (Lycopodiopsida y Polypodiopsida), Pinophyta (Gnetopsida y Pinopsida) y Magnoliophyta (Liliopsida y Magnoliopsida), y dentro de cada grupo, las jerarquías taxonómicas (Familia, Género, Especies y taxones infraespecíficos) están ordenados alfabéticamente. Se incluye además un índice alfabético de géneros con indicación de la familia y grupo a que pertenecen. De acuerdo a este catálogo la flora de las plantas vasculares que crecen en Chile, comprende 186 familias, 1121 géneros y 5471 especies, de éstas, 4655 corresponden a especies nativas, de las cuales 2145 son endémicas de Chile y 816 las especies introducidas.
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              A revised molecular phylogeny of the globally distributed hawkmoth genus Hyles (Lepidoptera: Sphingidae), based on mitochondrial and nuclear DNA sequences.

              The hawkmoth genus Hyles comprises some 29 species with a global distribution. In this study, we augment the previous taxon sampling with more species and add sequences from a nuclear gene to produce a refined phylogenetic hypothesis. A total evidence reconstruction based on Bayesian analysis of the combined mitochondrial (COI, t-RNA-Leu, COII; 2284 bp) and nuclear (EF1alpha; 773 bp) sequences is discussed and compared with the results from separate analyses of the two genes. The total evidence phylogeny corroborates many of the phylogenetic relationships previously postulated within the genus. In addition, the hitherto unsampled enigmatic species Hyles biguttata from Madagascar appears as sister group to Hyles livornicoides from Australia, although support for the relationship is relatively weak. The high level of differentiation of Hyles perkinsi from H. calida (both Hawaii), and the status of these two as sister species, is corroborated by both sources of sequence data. However, their phylogenetic position when mt DNA sequences alone are considered differs markedly from that under total evidence. The previously postulated relationships within the Hyles euphorbiae complex (HEC) s.s. are largely corroborated, but H. dahlii is now more closely related and the HEC s.l. is redefined to include H. zygophylli and H. stroehlei (two species that had not been studied previously using molecular data) and to exclude H. siehei and H. hippophaes. The nuclear sequences alone are insufficiently variable to fully resolve all lineages and the phylogeny suggests that nuclear gene swapping and incomplete lineage sorting have occurred implying recent divergence. The results from the total evidence analysis provide a phylogenetic hypothesis that both corroborates and complements the previous biogeographic scenario, and provides new insights into the origins of several of the included taxa.
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                Author and article information

                Journal
                Nota Lepidopterologica
                NL
                Pensoft Publishers
                2367-5365
                0342-7536
                October 17 2019
                October 17 2019
                : 42
                : 2
                : 151-156
                Article
                10.3897/nl.42.37662
                © 2019

                http://creativecommons.org/licenses/by/4.0/

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