Peradon flavofascium
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Ordo: Diptera
Familia: Syrphidae
Genus: Peradon
Name
Peradon flavofascium (Curran) – Wikispecies link – Pensoft Profile
- Microdon flavofascium Curran, 1925: 346. Holotype ♂: Brazil, Minas Gerais, Lassance (CU) [examined].
- [[ | ]] Not Microdon flavofascium Curran of Van Doesburg 1966[1]: 80; see P. surinamensis sp. nov.
- [[ | ]] Not Peradon flavofascium (Curran) of Reemer 2014[2]: 43; see P. surinamensis sp. nov.
Studied type specimens
Brazil • 1 ♂, holotype of Microdon flavofascium Curran; Minas Garais, Lassance; 9–19 Nov. 1919; Cornell Univ. Expedition leg.; CU. Label 1: “Lassance, Min- / as Ger’s Brazil / 9–19 Nov. 1919”; label 2: “Cornell Univ. Ex- / pedition. Lot 569”; label 3 (red): “TYPE / Microdon / flavofasciatum [sic] / Curran / No.”; label 4 (pink): “HOLOTYPE / Cornell U. / No. 1737”; label 5: “Microdon / flavofascium / Curran / Det. / C.H. Curran”.
Additional specimens
Brazil • 1 ♂ 1 ♀; Utiariti, Rio Papagaio, Mt; Oct. 1966; Lenko & Pereira leg.; MZUSP • 1 ♀; Utiariti, Rio Papagaio, Mt; Nov. 1966; Lenko & Pereira leg.; MZUSP • 1 ♂; Minas Gerais, Serra Caraça; Nov. 1961; Kloss, Lenko, Martins & Silva leg.; MZUSP • 1 ♀; Cáceres, MT; 9–11 Nov. 1984; C. Elias leg.; UFPR.
Diagnosis
Body length: male 7.5–8.5 mm, female 8.5–9.0 mm. A rather small species of Peradon with a yellow macula in the wing, silvery white pile on tergites 4 (and 5 in the female) and a bare postpronotum. These three characters are only shared with P. surinamensis sp. nov., from which it differs as follows: alula bare for maximally 30% (only narrowly microtrichose in P. surinamensis), male with yellow wing macula extending to cell r1 anteriorly, and additional characters stated in the key.
Notes
The genitalia of the male holotype are figured in Fig. 277. The genitalia of additional specimens from the Brazilian state of Minas Gerais (where the holotype is also from) were found to look more similar to those of P. surinamensis sp. nov. However, in external characters these specimens are very similar to the type of P. flavofascium. Re-examination of the latter type revealed that the appearance of the surstylus strongly depends on the viewing angle: from certain angles, the shape of the surstylus is similar in P. flavofascium and P. surinamensis. Despite this, the specimens are considered different enough in external characters to consider them as different taxa.
Distribution
Known from the Brazilian states Mato Grosso and Minas Gerais.
Taxon Treatment
- Reemer, M; Skevington, J; Kelso, S; 2019: Revision of the Neotropical hoverfly genus Peradon Reemer (Diptera, Syrphidae, Microdontinae) ZooKeys, 896: 1-93. doi
Images
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Other References
- ↑ Van Doesburg P (1966) Syrphidae from Suriname. Additional records and descriptions.Studies on the fauna of Suriname and other Guyanas9: 61–107.
- ↑ Reemer M (2014) A review of Microdontinae (Diptera: Syrphidae) of Surinam, with a key to the Neotropical genera.Tijdschrift voor Entomologie157: 27–57. https://doi.org/10.1163/22119434-00002035
