Dasybasis elquiensis, a new species of horse fly from Northern Chile (Diptera: Tabanidae: Diachlorini)

González, Christian R.

doi:10.1590/s0074-02762000000500008

Cited by 3 publications

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References 4 publications

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“…A total of 1,172 species of Tabanidae are known from the Neotropical Region (Fairchild & Burger 1994). For Chile there are records of 16 genera and 115 species (Coscarón & González 1991;González 2000). The genus Agelanius was erected by Rondani (1863) as a monotypic genus, including only A. meridianus Rondani.…”

Section: Introductionmentioning

confidence: 99%

Agelanius Chiloensis, Anew Species of Horse Fly From Southern Chile (Diptera: Tabanidae)

González

2009

Gayana (Concepc.)

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Section: Introductionmentioning

confidence: 99%

Agelanius Chiloensis, Anew Species of Horse Fly From Southern Chile (Diptera: Tabanidae)

González

2009

Gayana (Concepc.)

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Zanthoxylum caribaeum (Rutaceae) essential oil: chemical investigation and biological effects on Rhodnius prolixus nymph

et al. 2014

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A chemical investigation and bioassays against fifth-instar nymphae of the hematophagous insect Rhodnius prolixus, vector of Chagas disease, were conducted with the essential oil from Zanthoxylum caribaeum. The main results may be summarized as follows: (i) 54 components were identified, corresponding to 90.4% of the relative composition; sesquiterpenes (47.3%) and monoterpenes (41.2%) are the major constituents; (ii) muurola-4,5-trans-diene and isodaucene are described for the first time as chemical constituents of the essential oil from leaves of this species; (iii) topical treatment with the crude essential oil induced high levels of paralysis (from 18.88 to 33.33%) and mortality (from 80 to 98.9%) depending on the dose applied (0.5 to 5.0 μl per insect); (iv) feeding treatment with the crude essential oil also induced high levels of mortality (from 48.8 to 100%) but low levels of paralysis (from 2.22 to 7.77%) depending on the dose applied (0.5 to 5.0 μl/ml of blood); (v) in the continuous treatment, only the dose of 5.0 μl/cm(2) was able to promote statistical significant levels of mortality (63.3%) but no paralysis were detected. However in this group, occasionally, only few insects displayed malformations of legs and wings after treatment; and (vi) any treatment was able to disrupt the metamorphosis process since the low adult stage emergence observed to all groups was due the high insect mortality. These observations suggest the interference of Z. caribaeum compounds on the triatomine neuroendocrine system. The significance of these results in relation to the relevant biological events in R. prolixus as well as the possible use of insect growth regulators present in Z. caribaeum oil in integrated vector control programs against hematophagous triatomine species is herein discussed.

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Diversity and distribution models of horse fl ies (Diptera: Tabanidae) from Ecuador

Cárdenas

Buestán²,

Dangles

2009

Annales de la Société entomologique de France (N.S.)

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Worldwide information about Tabanidae is biased toward taxonomical research, which has been the main source of diversity data for this group of fl ies. In Ecuador, studies on horse fl ies have been irregular since the fi rst descriptions of three Andean specimens in 1848. Catalogues, checklists and collections in national museums demonstrate that despite its size, Ecuador is at present the richest country in number of tabanids species in the Neotropics after Brazil, Colombia and Mexico, and has one of the highest numbers of species per unit area. The tabanofauna is predominantly shared with Colombia (62.6%), Peru (47%), Brazil (35.9%), Panama (35.4%), and Venezuela (30.3%) that have biogeographic areas in common with Ecuador. Endemism rate of this group is around 12.6%, with Diachlorus, Dicladocera, Esenbeckia, Eristalotabanus (monotypic), and Leucotabanus genera as the most representatives. We add new records of Tabanidae for the country. The genus Hemichrysops was recorded for fi rst time. The number of species in Ecuador now totals 198. A catalogue of all Ecuadorian species is compiled with a localities-gazetteer. We also present and discuss for the fi rst time, the distribution of well known horse fl ies species (Chrysops varians var. tardus, Dicladocera macula and Fidena rhinophora) using georeferenced localities and niche modelling analyses. Résumé. Diversité et modèles de distribution des taons (Diptera : Tabanidae) de l'Equateur. L'information existante sur les Tabanidae à l'échelle mondiale concerne principalement la recherche taxonomique qui a été la source principale de données concernant la diversité de ce groupe de mouches. En Équateur, les études sur les taons ont été irrégulières depuis les premières descriptions en 1848 de trois spécimens des Andes. Les catalogues, listes et collections d'espèces dans les musées nationaux démontrent qu'en dépit de sa taille restreinte, l'Equateur représente actuellement l'un des pays néotropicaux les plus riches en espèces de Tabanidae après le Brésil, la Colombie et le Mexique. L'Equateur abrite l'une des plus fortes densités d'espèces par unité de surface. Sa faune de Tabanidae est partagée principalement avec la Colombie (62,6% d'espèces en commun), le Pérou (47,0%), le Brésil (35,9%), Panama (35,4%) et le Vénézuela (30,3%). Le taux d'endémisme de ce groupe en Equateur est d'environ 12,6%. Les genres Diachlorus, Dicladocera, Esenbeckia, Eristalotabanus (monotypique) et Leucotabanus sont les plus représentatifs. Dans cette étude, nous présentons de nouveaux données de Tabanidae pour le pays (dont le genre Hemichrysops observé pour la première fois), menant ainsi à une liste de 198 espèces pour le pays. Un catalogue de toutes les espèces équatoriennes est annexé avec toutes les localités. Pour la première fois pour ces insectes, nous présentons et discutons également la distribution de certaines espèces bien connues (Chrysops varians var. tardus, Dicladocera macula et Fidena rhinophora) à l'aide de localités géoréférencées et de modèles de niche.

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Dasybasis elquiensis, a new species of horse fly from Northern Chile (Diptera: Tabanidae: Diachlorini)

Abstract: The female of Dasybasis elquiensis, new species, is described and illustrated from specimens collected in Paso La Ternera, Elqui Province, north Chile. Its relationships to other Dasybasis species are discussed.

Cited by 3 publications

References 4 publications

Agelanius Chiloensis, Anew Species of Horse Fly From Southern Chile (Diptera: Tabanidae)

Agelanius Chiloensis, Anew Species of Horse Fly From Southern Chile (Diptera: Tabanidae)

Zanthoxylum caribaeum (Rutaceae) essential oil: chemical investigation and biological effects on Rhodnius prolixus nymph

Diversity and distribution models of horse fl ies (Diptera: Tabanidae) from Ecuador

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