Asiobaccha marissae Mengual

Mengual, Ximo, 2016, A taxonomic revision of the genus Asiobaccha Violovitsh (Diptera: Syrphidae), Journal of Natural History 50, pp. 2585-2645: 2609-2611

publication ID 10.1080/00222933.2016.1206634

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scientific name

Asiobaccha marissae Mengual

sp. nov.

Asiobaccha marissae Mengual   sp. nov.

( Figures 1 View Figure 1 , 7a, b, e View Figure 7 )

Asiobaccha n. sp. of Mengual 2015: 398 (DNA voucher ZFMK_XM127).


Male: Head. Face with distinct round facial tubercle, yellow, yellow pilose, yellow pollinose except shiny medially on tubercle; gena yellow; lunule yellow; frons yellow, somewhat darker dorsally, yellow pilose, densely yellow pollinose laterally and dorsally, shiny basomedially; antenna yellow, yellow pilose; arista brown, yellow basally, bare; antennal base with lateral lobular expansions on each side; vertical triangle narrow, black; eye bare; occiput black, grey pollinose, yellow pilose with some brownish/darker pile on dorsal 1/4 ( Figures 1 View Figure 1 , 7e View Figure 7 ).

Thorax. Scutum yellow anterior to transverse suture, dark brown or black posterior to suture, yellow pilose with some brown pile on posterior 1/2, brown pollinose on dark areas; without mesonotal fringe; postpronotum yellow, bare; postalar callus yellow; scutellum yellow, yellow pilose, subscutellar fringe present with yellow pile ( Figure 7a, b View Figure 7 ). Pleuron yellow with a vertical black marking going from dorsomedial anepimeron to mesocoxa; anatergum, metaepimeron and metaepisternum black; yellow pilose and yellow pollinose; anterior anepisternum pilose on anterodorsal quarter; metaepisternum pilose ventrad to spiracle; metasternum bare; calypter small, reduced, yellow; plumula absent; halter pedicel yellow, capitulum darker; posterior spiracular fringes yellow. Wing: alula narrow, narrower than costal cell, bare; wing hyaline, yellow anteriorly, stigma a bit darker, extensively microtrichose except costal cell bare on basal 1/6 or less, cell R bare on basal 1/3, cell BM bare on basal 1/2, and cell CuP and anal lobe bare basally. Legs: entirely yellow, except meso- and metacoxa black and metafemur yellow with a subapical dark annulus.

Abdomen. Petiolate, unmargined. Tergum 1 yellow, yellow pilose; tergum 2 yellow with a medial, diffuse brown macula, and a diffuse dark fascia on posterior margin; tergum 3 yellow with a basal, diffuse brown fascia on anterior margin and a black fascia on posterior margin emarginated medially; tergum 4 black with a basal, broad, yellow fascia on anterior 3/5 deeply emarginated posteromedially; tergum 5 yellow with brown lateral margins ( Figures 1 View Figure 1 , 7a View Figure 7 ); sterna yellow, and sterna 3 and 4 with a posterior, black fascia.

Female. Similar to male except for normal sexual dimorphism and as follows: frons yellow on ventral 1/5, black on dorsal 4/5, densely yellow pollinose except basal 1/4.

Variation. The dark annulus of the metafemur is not well-defined in some specimens. The extension of the black posterior area on scutum is variable, as well as the extension of the posterior black fascia on terga 3 and 4.

Length (N = 4). Body, 9.5 – 13.0 (11.9) mm; wing, 9.0 – 12.0 (11.3) mm.

Geographical distribution

Species known only from Sulawesi.


The GenBank accession numbers for this species are: 28S gene ( KM 270823 View Materials , specimen ZFMK _ XM127 View Materials ), 18S gene ( KM 270771 View Materials , specimen ZFMK _ XM127 View Materials ), COI gene ( KM 270854 View Materials , specimen ZFMK _ XM127 View Materials )   .


This species is named after my wife, Marissa Sendra i Peiró, in her honour. This species is the most colourful, radiant and distinguished of Asiobaccha   , just as Marissa is for my life. The name is to be treated as a noun in the genitive case.

Differential diagnosis

Species with a narrow alula, without mesonotal fringe, tergum 4 with an anterior, broad yellow fascia and scutellum yellow. Asiobaccha marissae   has unique characteristics, such as the abdominal colouration and the lobular expansions on each side at the antennal base. This species is similar to Asiobaccha notofasciata   but the latter has a well-developed mesonotal fringe, alula broad and no modified antennal base. Asiobaccha marissae   differs from other species without mesonotal fringe by the yellow fascia on tergum 4 and the antennal base expansions.

Type locality

Indonesia: Southeast Sulawesi Province, North Kolaka Regency, Rante Angin, east of Tinukari , 03°27.7 ʹ S, 121°5.1 ʹ E GoogleMaps   .

Material examined

Type material. Holotype, male, deposited in the Museum Zoologicum Bogoriense (Bogor, Java, Indonesia) and labelled: ‘ INDONESIA: SE SULA- // WESI, North Kolaka // Rante Angin, // east of Tinukari ’, ‘ 03°27.7 ’ S 121°5.1 ’ E // 23.VI.2010 // L.S. Kimsey // MEK002 ’, ‘ DNA voucher specimen // ZFMK, Lab code // D263 // Bonn, Germany ’, ‘ HOLOTYPE // Asiobaccha   // marissae   // des. X. Mengual 2014’ [red] ‘ ZFMK DIP // 00011932 ’ [barcode]. Paratypes: INDONESIA: SE Sulawesi, South Konawe, Meramo, Sumbersari, Tanjung Peropa Wildlife Sanctuary, 430 m, 03°64 ’ 46.1 ’’ S, 121°09 ’ 85.9 ’’ E, 4 November 2010, Ubaidillah R, B. Kimsey, Nugroho H., Lupiyaningdyah P., Darmawan Sw. [1♀, BME, ZFMKDIP 00015932, DNA voucher ZFMK D264]; SE Sulawesi, North Kolaka, Mt. Mekongga, near Tinukari, 1000 m, 03°38 ’ 23.244 ’’ S, 121°08 ’ 56.76 ’’ E, 30 September 2010, R. B. Kimsey [1♀, ZFMK, ZFMKDIP 00011935, DNA voucher XM127; 1♂, ZFMK, ZFMKDIP 00015929 (specimen photographed)]; SE Sulawesi, nr Sanggona, Base Camp Gn. Watuwila, Malise trap 12, 200 m, 15 – 19 October 1989, C.v. Achterberg [1♀, RMNH, ZFMKDIP 00015930]; South Sulawesi, Rantepao area, Todjambu, 14 – 20 June 1982, M.A. Lieftinck [1♀, RMNH, ZFMKDIP 00015931];..., Gn. Bulusaraung, nr Camba, Malawa, Malaise trap 2, 750 m, 7 February – 28 March 1995, C.v. Achterberg, Y. Yasir [1♀, ZFMK, ZFMKDIP 00011934];..., nr. Bantaeng, Borong Rappoa, Gn Daulu, Malaise trap 17, 700 m, 4 – 24 April 1991, C.v. Achterberg [1♀, ZFMK, ZFMKDIP 00011925].


Zoologisches Forschungsmuseum Alexander Koenig


National Museum of Natural History, Naturalis