The Neotropical Orthonevra Macquart, 1829 (Diptera: Syrphidae)

Zootaxa Pub Date : 2024-07-22 DOI:10.11646/zootaxa.5484.1.1

GIL FELIPE G. Miranda, M. M. Soares, F. C. Thompson

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Abstract

The Neotropical species of the flower fly genus Orthonevra (Diptera: Syrphidae) are revised and 12 new species are described and illustrated: Orthonevra batman sp. nov., O. cthulhu sp. nov., O. gli sp. nov., O. gouletmasnerorum sp. nov., O. hypnotica sp. nov., O. minuosetulata sp. nov., O. nebulosa sp. nov., O. neiae sp. nov., O. roseae sp. nov., O. sternolobosa sp. nov., O. theta sp. nov., and O. thompsoni sp. nov. In addition, seven species are redescribed and illustrated: O. argentina (Brèthes, 1922), O. chilensis Thompson, 1999, O. flukei (Sedman, 1964), O. gewgaw (Hull, 1941), O. neotropica (Shannon, 1925), O. quadristriata (Shannon & Aubertin, 1933) and O. shannoni (Curran, 1926), and three Nearctic (one extending into the Neotropical region) species are diagnosed: O. bellula (Williston, 1882), O. nitida (Wiedemman, 1830) and O. nitidula (Curran, 1925) (for a total of 20 species with Neotropical distribution). Lectotypes are designated for two species, Chrysogater bellulus Williston and C. nitidus Wiedemann, and C. lugubris Jaennicke (1867) is removed from Orthonevra and left incertae sedis. A dichotomous and an interactive pictorial key to these species are also presented.

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新热带 Orthonevra Macquart, 1829 (Diptera: Syrphidae)

修订了花蝇属 Orthonevra（双翅目：蚜科）的新热带物种，并描述和说明了 12 个新物种：新种、O. cthulhu 新种、O. gli 新种、O. gouletmasnerorum 新种、O. hypnotica 新种、O. minuosetulata 新种、O. nebulosa 新种、此外，对 7 个物种进行了重新描述并绘制了插图：O. argentina (Brèthes, 1922), O. chilensis Thompson, 1999, O. flukei (Sedman, 1964), O. gewgaw (Hull, 1941), O. neotropica (Shannon, 1925), O. quadristriata (Shannon & Aubertin, 1933) and O. shannoni (Curran, 1926)：nitida（Wiedemman，1830 年）和 O. nitidula（Curran，1925 年）（总共有 20 种分布于新热带地区）。Lectotypes are designated for two species, Chrysogater bellulus Williston and C. nitidus Wiedemann, and C. lugubris Jaennicke (1867) is removed from Orthonevra and left incertae sedis.此外，还提供了这些物种的二分法和交互式图解检索表。

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Zootaxa

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