Revision and phylogeny of the Oriental hoverfly genus Korinchia Edwards (Diptera: Syrphidae)

in Tijdschrift voor Entomologie
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The oriental genus Korinchia Edwards, 1919 is revised. The phylogeny and status of the genus is discussed. It is concluded that the Pterallastes group of genera (Korinchia, Pterallastes Loew and Palumbia Rondani) is the sister group of Milesia Latreille. The subdivision of the Pterallastes group in two genera (Pterallastes and Palumbia) is rejected and Korinchia is reinstated as valid genus. Nine new species are described: K. citronella from Vietnam, K. demeijerei from Sumatra, K. flavissima from China, K. himalayensis from Nepal and China, K. iuxtacavea from Malaysia, K. kambaitica from Burma, K. lieftincki from Java, K. ocellata from Burma, and K. sanguinea from Thailand. The male of K. robinsoni Edwards and the females of K. apicalis Shiraki and K. tenax (Thompson) are described for the first time. Lectotypes and paralectotypes are designated for K. minor (De Meijere), K. monticola Edwards, and K. simulans (De Meijere). One new synonymy (K. aurata Hervé-Bazin = K. simulans) is proposed. A key and descriptions of all species are given.

Revision and phylogeny of the Oriental hoverfly genus Korinchia Edwards (Diptera: Syrphidae)

in Tijdschrift voor Entomologie

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References

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Figures

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    Phylogeny of Korinchia Edwards and related genera. The most parsimonious cladogram (59 steps, CI 55, RI 65) obtained with the program NONA. Numbers above hatchmarks (open = homoplasious, black = unique) refer to characters, numbers under hatchmarks refer to state changes to the state indicated. Bremer support is 1 except for the following clades: P. eristalodes + P. thoracicus and K. demeijerei + K. minor (2), K. pendleburyi + K. robinsoni + K. demeijerei + K. minor (3), and K. simulas + K. klossi + K. vivax (5).

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    Distribution map of Korinchia in South-East Asia. – 1, K. minor; 2, K. demeijerei; 3, K. sanguinea; 4, K. sp. 1; 5, K. tenax; 6, K. iuxtacavea; 7, K. vivax; 8, K. pendleburyi; 9, K. simulans; 10, K. lieftincki; 11, K. klossi; 12, K. robinsoni.

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    Distribution map of Korinchia in North-East Asia. – 1, K. rufa; 2, K. himalayensis; 3, K. potanini; 4, K. sinensis; 5, K. similinova; 6, K. angustiabdomena; 7, K. flavissima; 8, K. nova; 9, K. apicalis; 10, K. formosana; 11, K. citronella; 12, K. ocellata; 13, K. kambaitica.

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    Habitus of Korinchia species. – 4, K. apicalis, male (Taiwan); 5, K. apicalis, female (Taiwan); 6, K. ocellata, female (holotype); 7, K. sanguinea, female (holotype); 8, K. tenax, male (Malaysia); 9, K. iuxtacavea, female (holotype); 10, K. rufa, male (India); 11, K. rufa, female (India).

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    Habitus of Korinchia species. – 12, K. citronella, female (holotype); 13, K. flavissima, female (holotype); 14, K. himalayensis, male (holotype); 15, K. himalayensis, female (paratype); 16, K. sinensis, female (holotype).

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    Habitus of Korinchia species. – 17, K. kambaitica, male (holotype); 18, K. kambaitica, female (paratype); 19, K. nova, male (Vietnam); 20, K. nova, female (holotype); 21, K. formosana, male (holotype, after a photo by M. Reemer); 22, K. formosana, female (paratype, after a photo by M. Reemer).

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    Habitus of Korinchia species. – 23, K. demeijerei, male (holotype); 24, K. minor, male (lectotype K. monticola); 25, K. lieftincki, male (paratype); 26, K. lieftincki, female (paratype); 27, K. robinsoni, male (Sumatra); 28, K. robinsoni, female (Java); 29, K. pendleburyi, male (holotype); 30, K. potanini, male (holotype).

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    Habitus of Korinchia species. – 31, K. klossi, male (Sumatra); 32, K. sp. 1, female (Thailand); 33, K. vivax, male (Malaysia); 34, K. vivax, female (allotype); 35, K. simulans, male (Java); 36, K. simulans, female (Java).

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    (after Huo et al. 2007). Habitus of Korinchia species. – 37, K. flavissima (= sinensis sensu Huo et al. 2007), female (China); 38, K. nova, male (China); 39, K. similinova, male (China).

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    (after Huo et al. 2007). K. angustiabdomena (China). – 40, Head of male, lateral view; 41, Genitalia, lateral view; 42, Apical part of sternum 9, ventral view; 43, Aedeagus, lateral view; 44, Abdomen, dorsal view.

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    K. apicalis (Taiwan). – 45, Head of male, lateral view; 46, Antenna of male, lateral view (a, length of sensory pit; b, length of basoflagelomere; c, distance of anterior corner of sensory pit to ventral margin; d, depth of basoflagellomere); 47, Antenna of female, lateral view; 48, Head of female, dorsal view; 49, Mesofemur of male, lateral view.

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    Male genitalia of K. apicalis (Taiwan). – 50, Left surstylus, lateral view; 51, Genitalia, lateral view; 52, Left apical part of sternum 9, lateral view; 53, Apical part of sternum 9, ventral view; 54, Aedeagus, lateral view.

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    K. citronella (holotype). – 55, Head, dorsal view; 56, Antenna, lateral view; 57, Mesofemur, lateral view.

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    K. demeijerei (holotype). – 58, Head, lateral view; 59, Antenna, lateral view; 60, Mesofemur, lateral view.

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    Male genitalia of K. demeijerei (holotype). – 61, Genitalia, lateral view; 62, Left surstylus, lateral view; 63, Left apical part of sternum 9, lateral view; 64, Apical part of sternum 9, ventral view; 65, Aedeagus, lateral view.

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    Genitalia, head and antenna of Korinchia species. – 66, Male genitalia of K. formosana (holotype, after a photo by M. Reemer), lateral view; 67, Antenna K. flavissima (holotype), lateral view; 68, Head of K. flavissima (holotype), dorsal view.

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    K. himalayensis. – 69, Head of male (holotype), lateral view; 70, Antenna of male (holotype), lateral view; 71, Antenna of female (paratype), lateral view; 72, Head of female (paratype), lateral view; 73, Mesofemur of female (paratype), lateral view; 74, Head of male (holotype), dorsal view; 75, Head of female (paratype), dorsal view.

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    Male genitalia of K. himalayensis (holotype). – 76, Left surstylus, lateral view; 77, Genitalia, lateral view; 78, Left apical part of sternum 9, lateral view; 79, Apical part of sternum 9, ventral view; 80, Aedeagus, lateral view.

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    K. iuxtacavea (holotype). – 81, Head, lateral view; 82, Antenna, lateral view; 83, Head, dorsal view.

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    K. kambaitica. – 84, Head of male (holotype), lateral view; 85, Antenna of male (holotype), lateral view; 86, Antenna of female (paratype), lateral view; 87, Head of female (paratype), lateral view; 88, Head of male (holotype), lateral view; 89, Head of female (paratype), lateral view.

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    Male genitalia of K. kambaitica (holotype). – 90, Left surstylus, lateral view; 91, Genitalia, lateral view; 92, Left apical part of sternum 9, lateral view; 93, Apical part of sternum 9, ventral view; 94, Aedeagus, lateral view.

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    Head and antenna of male Korinchia species. – 95, Head of K. klossi (Sumatra), lateral view; 96, Antenna of K. klossi (Sumatra), lateral view; 97, Antenna of K. minor (holotype), lateral view; 98, Head of K. minor (holotype), lateral view; 99, Head of K. klossi (Sumatra), dorsal view.

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    Male genitalia of K. klossi (Sumatra). – 100, Genitalia, lateral view; 101, Left apical part of sternum 9, lateral view; 102, Aedeagus, lateral view; 103, Apical part of sternum 9, ventral view.

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    K. lieftincki. – 104, Head of male (holotype), lateral view; 105, Antenna of male (holotype), lateral view; 106, Head of male (holotype), dorsal view; 107, Antenna of female (paratype), lateral view; 108, Head of female (paratype), dorsal view.

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    Male genitalia of K. lieftincki (paratype). – 109, Apical part of sternum 9, ventral view; 110, Genitalia, lateral view; 111, Aedeagus, lateral view.

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    Male genitalia of K. minor (holotype). – 112, Left surstylus, lateral view; 113, Genitalia, lateral view; 114, Left apical part of sternum 9, lateral view; 115, Apical part of sternum 9, ventral view; 116, Aedeagus, lateral view.

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    K. nova. – 117, Head of male (Vietnam), lateral view; 118, Antenna of male (Vietnam), lateral view; 119, Antenna of female (holotype), lateral view; 120, Head of female (holotype), dorsal view.

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    Male genitalia of K. nova (Vietnam). – 121, Genitalia, lateral view; 122, Left apical part of sternum 9, lateral view; 123, Apical part of sternum 9, ventral view; 124, Aedeagus, lateral view.

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    (after Huo et al. 2007). K. nova (China). – 125, Genitalia, lateral view; 126, Apical part of sternum 9, ventral view; 127, Aedeagus, lateral view; 128, Head of male, lateral view.

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    Head and antenna of Korinchia species. – 129, Head of male K. pendleburyi (paratype), lateral view; 130, Antenna of male K. pendleburyi (paratype), lateral view; 131, Antenna of female K. ocellata (holotype); 132, Head of female K. ocellata (holotype), dorsal view.

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    Male genitalia of K. pendleburyi (Borneo). – 133, Left surstylus (holotype), lateral view; 134, Genitalia (holotype), lateral view; 135, Left apical part of sternum 9 (holotype), lateral view; 136, Right apical part of sternum 9 (paratype), lateral view; 137, Right surstylus (paratype), lateral view; 138, Apical part of sternum 9 (paratype), ventral view; 139, Aedeagus (holotype), lateral view.

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    K. potanini (holotype). – 140, Head, lateral view; 141, Antenna, lateral view; 142, Mesofemur, lateral view.

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    Male genitalia of K. potanini (holotype). – 143, Left surstylus, lateral view; 144, Genitalia, lateral view; 145, Left apical part of sternum 9, lateral view; 146, Apical part of sternum 9, ventral view; 147, Aedeagus, lateral view.

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    K. robinsoni. – 148, Head of male (Java), lateral view; 149, Antenna of male (Java), lateral view; 150, Antenna of female (Java), lateral view; 151, Mesofemur of male (Java), lateral view; 152, Head of male (Java), dorsal view; 153, Head of female (Java), dorsal view.

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    Male genitalia of K. robinsoni (Java). – 154, Left surstylus, lateral view; 155, Genitalia, lateral view; 156, Left apical part of sternum 9, lateral view; 157, Apical part of sternum 9, ventral view; 158, Aedeagus, lateral view.

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    K. rufa (India). – 159, Head of male, lateral view; 160, Antenna of male, lateral view; 161, Antenna of female, lateral view; 162, Head of female, lateral view; 163, Mesofemur of male, lateral view; 164, Head of male, dorsal view; 165, Head of female, dorsal view.

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    Male genitalia of K. rufa (India). – 166, Left surstylus, lateral view; 167, Genitalia, lateral view; 168, Left apical part of sternum 9, lateral view; 169, Apical part of sternum 9, ventral view; 170, Aedeagus, lateral view.

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    K. sanguinea (holotype). – 171, Head, lateral view; 172, Antenna, lateral view; 173, Head, dorsal view.

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    (after Huo et al. 2007). K. similinova (China). – 174, Head of male, lateral view; 175, Genitalia, lateral view; 176, Apical part of sternum 9, ventral view; 177, Aedeagus, lateral view; 178, Left apical part of sternum 9, lateral view.

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    K. simulans (Java). – 179, Head of male, lateral view; 180, Antenna of male, lateral view; 181, Antenna of female, lateral view; 182, Head of female, lateral view; 183, Mesofemur of male, lateral view; 184, Head of male, dorsal view; 185, Head of female, dorsal view.

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    K. simulans (male, Java; after Hippa, 1990). – 186, Apical part of protibia, ventral view; 187, Apical part of wing; 188, Metathoracic spiracle with associated parts of pleura; 189, Costal chaetotaxy. 1, epaulet, anterior view; 2, immediately apical from epaulet, anterior (right) and dorsal (left) view; 3, at tip of subcosta, anterior (right) and dorsal (left) view; 4, in the middle between 3 and 5, anterior view; 5, at petiolus of cell R1, anterior view.

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    Male genitalia of K. simulans (Java). – 190, Genitalia, lateral view; 191, Left apical part of sternum 9, lateral view; 192, Apical part of sternum 9, ventral view; 193, Aedeagus, lateral view.

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    Genitalia of K. simulans (Java; after Hippa, 1990). – 194, Genitalia of female, not manipulated, lateral view; 195, Genitalia of female extruded and inverted; 196, Aedeagus of male, lateral view; 197, Spermatheca of female.

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    K. sinensis (holotype). – 198, Head, lateral view; 199, Antenna, lateral view; 200, Head, dorsal view.

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    K. tenax (Malaysia). – 201, Head of male, lateral view; 202, Antenna of male, lateral view; 203, Antenna of female, lateral view; 204, Head of female, lateral view; 205, Head of female, dorsal view.

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    Male genitalia of K. tenax (Malaysia; after Hippa, 1990). – 206, Apical part of sternum 9, ventral view; 207, Genitalia, lateral view; 208, Aedeagus, lateral view.

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    K. vivax (Malaysia). – 209, Head of male, lateral view; 210, Antenna of male, lateral view; 211, Antenna of female, lateral view; 212, Head of female, dorsal view.

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    Male genitalia of K. vivax (Malaysia). – 213, Genitalia, lateral view; 214, Left apical part of sternum 9, lateral view; 215, Apical part of sternum 9, ventral view; 216, Aedeagus, lateral view.

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