Difference between revisions of "Nilobezzia bamenwana"
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| journal = ZooKeys | | journal = ZooKeys | ||
| volume = 893 | | volume = 893 | ||
| − | | pages = | + | | pages = 135--141 |
| doi = 10.3897/zookeys.893.39032 | | doi = 10.3897/zookeys.893.39032 | ||
| citationurl = https://zookeys.pensoft.net/articles.php?id=39032&element_type=9 | | citationurl = https://zookeys.pensoft.net/articles.php?id=39032&element_type=9 | ||
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==Original Description== | ==Original Description== | ||
| − | *{{aut|Li, C}}; {{aut|Bellis, G}}; {{aut|Wu, X}}; {{aut|Li, J}}; 2019: A new species of ''Nilobezzia'' Kieffer (Diptera, Ceratopogonidae) from the mangrove forest of Hainan Island, China [https://zookeys.pensoft.net/ ''ZooKeys'',] '''893''': | + | *{{aut|Li, C}}; {{aut|Bellis, G}}; {{aut|Wu, X}}; {{aut|Li, J}}; 2019: A new species of ''Nilobezzia'' Kieffer (Diptera, Ceratopogonidae) from the mangrove forest of Hainan Island, China [https://zookeys.pensoft.net/ ''ZooKeys'',] '''893''': 135-141. {{doi|10.3897/zookeys.893.39032}} |
==Images== | ==Images== | ||
{{Gallery | lines=5 | width=250 | {{Gallery | lines=5 | width=250 | ||
| − | |1= File:zookeys-893- | + | |1= File:zookeys-893-135-g001.jpg|2= '''Figures 1–11.''' Female of ''{{Taxon name|Nilobezzia bamenwana}}'' sp. nov. '''1''' habitus in dorsal view '''2''' antenna '''3''' midtarsus, anterior view '''4''' foretarsus, ventral view '''5''' foreleg '''6''' midleg '''7''' hind leg '''8''' wing '''9''' hind tibial comb '''10''' head, dorsal view '''11''' abdominal tergite I, dorsal view. |
| − | |3= File:zookeys-893- | + | |3= File:zookeys-893-135-g002.jpg|4= '''Figures 12–16.''' Female of ''{{Taxon name|Nilobezzia bamenwana}}'' sp. nov. '''12''' terminal four segments of abdomen, ventral view '''13''' spermathecae and hair tufts, ventral view '''14''' proboscis and palpi, anterior view '''15''' mandibular teeth, anterior view '''16''' maxillary palpus, anterior view. |
}} | }} | ||
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Ordo: Diptera
Familia: Ceratopogonidae
Genus: Nilobezzia
Name
Nilobezzia bamenwana Li & Li sp. nov. – Wikispecies link – ZooBank link – Pensoft Profile
Type material
Holotype. CHINA • ♀, slide, Hainan Province, Wenchang City, Bamenwan mangrove forest; 19°37'38"N, 110°47'10"E, 18 Jun 2018; Chunqiao Li leg., light trap; cer250-1, GenBank MN135245.
Paratypes. CHINA • 9♀, same data as holotype, six paratypes (cer250-2–cer250-7) mounted on slides, three kept in ethanol (cer250-8–cer250-10). GenBank MN135243 and MN135244.
Diagnosis
The only species of Nilobezzia with the following combination of characters: body longer than 3.5 mm; femora and tibiae with spines scattered along their length; femora distinctly yellow basally and dark brown distally, tibiae dark brown with subapical pale bands; wing with a single radial cell and spermathecae unequal in size and without necks.
Description
Female. Body (Fig. 1) 4.25 (3.85–4.28) mm in length. Wing 2.69 (2.69–2.95) mm in length.
Head dark brown. Eyes contiguous, bare (Fig. 10). Antenna dark brown with slightly paler pedicel, basal flagellomeres short and stout, distal 5 flagellomeres each much longer than basal 8 flagellomeres, lengths in ratio of 96:47:47:46:51:50:58:64:129:123:127:111:140; AR 1.37 (1.17–1.37, N = 5) (Fig. 2). Maxillary palpi brown, 5-segmented, third segment long, not distinctly swollen, a few scattered hyaline sensillae preapically, lengths in ratio of 17:33:86:43:42, PR 3.07 (2.99–3.44) (Figs 14, 16). Mandible with seven coarse teeth (Figs 14, 15).
Thorax. Scutum dark brown, some specimens with humeral area slightly paler, with fine microsetae and several bristles near base of wings. Scutellum and postscutellum concolourous with scutum. Coxae dark brown, trochanters light brown; forefemur, midfemur with basal 2/3 yellow and distal 1/3 dark brown, basal 1/3 of hind femur yellow, distal 2/3 dark brown; basal 1/2 of fore tibia and mid tibia dark brown, distal 1/2 yellow, except narrow dark apex; 2/3 of hind tibia dark brown, apical 1/3 slightly paler, dark apex (Figs 1, 5–7). All femora and tibiae with many scattered black spines over their entire length, variable in number; hind tibial comb (Fig. 9) with nine spines. Tarsomeres I–IV yellow except brown apices; tarsomere V entirely dark brown; foretarsomere and hindtarsomere I–II and midtarsomere III each with single apical spine, midtarsomere I–II with two apical spines, midtarsomere I also with a basal spine, foretarsomere and hind tarsomere III and tarsomere IV of all legs without apical spine, tarsomere V (Fig. 4) with 14 ventral batonnets; claws equal, 0.8 times the length of tarsomere V and bearing two strong basal teeth on the outer surface ca. 0.3 times of length of claw (Figs 3, 4). RL-L 1013:948:377:196:142:80:245 and TR 1.92 (1.78–2.08, N = 5) in fore leg, RL-L 1460:1080:533:231:173:91:225 and TR 2.30 (2.15–2.56, N = 5) in mid leg, RL-L 1508:1269:1000:320:236:133:240 and TR 3.10 (2.90–3.10, N = 5) in hind leg. Wing membrane pale grey, CR 0.82 (0.81–0.82, N = 5), a single radial cell (Fig. 8). Haltere white. Abdominal tergites brown, tergite I (Fig. 11) with lateral tufts of 10–12 short setae arranged in oval area, with anteromesal dark, triangular spot; abdominal segment VIII with a pair of subquadrate genital sclerotations near semi-circular gonopore, ventral hair tufts dark and conspicuous, each comprising a row of four or five long black bristles and a row of four short bristles on each side (Figs 12, 13); cerci brown; two dark brown spermathecae, large, oval, unequal, 129×83 (109–129×67–83) μm and 94×66 (90–110×57–66) μm, neck absent, and a third vestigial spermatheca present (Figs 12, 13). Male. Unknown.
Etymology
The name bamenwana refers to the collecting location of the species.
Distribution
Known only from the Bamenwan mangrove forest of Hainan Prov., China.
Discussion
Female specimens of Nilobezzia bamenwana run to genus Nilobezzia in the key of Wirth et al. (1974)[1] and conforms to the diagnosis of Nilobezzia provided by Debenham (1974)[2] and Wirth and Ratanaworabhan (1981)[3]. The only other species of Nilobezzia recorded from mangrove forest is N. virago Debenham which was recorded from many different habitats including a single female specimen collected from mangroves in Australia (Debenham 1974[2]).
Nilobezzia bamenwana runs to N. acanthopus (de Meijere) in the key to Southeast Asian species by Wirth and Ratanaworabhan (1981)[3] but in the latter species the forefemur and midfemur are entirely yellowish and the spermathecae are equal in size. India has 18 described species of Nilobezzia (Mazumdar et al. 2009[4]), some of which possess similar leg colour patterns and other characteristics to N. bamenwana, but with wings shorter than 2.5 mm and significantly smaller than N. bamenwana and none appear to be associated with mangroves. Nilobezzia bamenwana runs to N. opaca Das Gupta in the key by Mazumdar et al. (2009)[4], but that species can be distinguished by the obvious neck of spermathecae and legs excepting the midfemora, entirely brown. It runs to N. formosana (Kieffer) in the key to Chinese species of Nilobezzia by Yu et al. (2005)[5], but that species is much smaller in size with a wing length of only 2.11 mm. Nilobezzia bamenwana is allied to N. japana Tokunaga in general colour, but the latter species is smaller (body length 3.2 mm), has more extensive dark markings on the forefemur and midfemur, and the foretibia lacks spines.
Original Description
- Li, C; Bellis, G; Wu, X; Li, J; 2019: A new species of Nilobezzia Kieffer (Diptera, Ceratopogonidae) from the mangrove forest of Hainan Island, China ZooKeys, 893: 135-141. doi
Images
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Other References
- ↑ Wirth W, Ratanaworabhan N, Blanton F (1974) Synopsis of the genera of Ceratopogonidae (Diptera).Annales de Parasitologie (Paris)49: 595–613. https://doi.org/10.1051/parasite/1974495595
- ↑ 2.0 2.1 Debenham M (1974) A revision of the Australian and New Guinea predatory Ceratopogonidae (Diptera: Nematocera) of the tribes Heteromyiini and Sphaeromiini.Australian Journal of Zoology Supplementary Series22: 1–92. https://doi.org/10.1071/AJZS028
- ↑ 3.0 3.1 Wirth W, Ratanaworabhan N (1981) New species and records of predaceous midges (Diptera: Ceratopogonidae) from rice paddies in Thailand.Pacific Insects23: 396–431.
- ↑ 4.0 4.1 Mazumdar A, Chaudhuri P, Das Gupta S (2009) New insectivorous midges of the genus Nilobezzia Kieffer from India (Dipt., Ceratopogonidae: Sphaeromiini).Entomologist’s Monthly Magazine145: 131–151.
- ↑ Yu Y, Liu J, Liu G, Liu Z, Hao B, Yan G, Zhao T (2005) Ceratopogonidae of China – Insecta, Diptera [in Chinese].Military Medical Science Press, Beijing, 1699 pp.
