Eosphaerophoria hermosa Mengual, 2010

Mengual, Ximo & Ghorpadé, Kumar, 2010, The flower fly genus Eosphaerophoria Frey (Diptera, Syrphidae), ZooKeys 33 (33), pp. 39-80 : 58-60

Eosphaerophoria hermosa Mengual , sp. n.

urn:lsid:zoobank.org:act:3437D78B-8A38-451B-B270-DE9AE95FE239

Fig. 32; MorphBank [http://www.morphbank.net/?id=478079]

Male. Unknown.

Female. Head. Face straight, broad, with distinct round tubercle, yellow with medial diffuse black vitta narrowing to tubercle tip not reaching oral apex, yellow pilose; gena yellow; lunula black; frons completely black on dorsal 1/4 (length between anterior ocellus and lunula), yellow on basolateral 3/4 with medial well-defined black vitta slightly narrowing ventrally (about 1/3 of frons width) continuing with facial vitta, yellow pilose; vertex and vertical triangle black, black pilose; ocelli brownish, anterior ocellus very small; antenna yellow, basoflagellomere brown dorsally, oval; arista brown; occiput mainly black, yellow ventrally, yellow pilose and silvery pollinose ventrally, black pilose and golden pollinose dorsally.

Thorax. Scutum mainly black, shiny medially, black pollinose laterally, yellow laterally with lateral broad yellow stripe from postpronotum to scutellum, narrower after transverse suture with ventral black area, golden brown pilose; postpronotum yellow; notopleuron yellow with distinct posterolateral obtuse protuberance; scutellum triangular, with a tooth on medial posterior margin, yellow with dorsomedial triangular black area continuing from posterior mesonotum, golden brown pilose; propleuron, anepisternum and anepimeron entirely yellow; katepisternum black with dorsal yellow macula; meron black; katepimeron yellow; katatergum mainly yellow, black posteriorly; calypter dark brown; halter yellowish. Wing. Wing bare basomedially.

Legs. Pro- and mesoleg entirely yellow, except distal part of mesofemur and basal part of mesotibia slightly darker, yellow pilose except tarsi with short black setulae ventrolaterally; metacoxa and trochanter yellow, yellow pilose; metafemur yellow on basal 1/2, black on distal 1/2, yellow and brown pilose; metatibia black, golden brown pilose; metatarsus black, golden yellow pilose ventrolaterally and brown pilose dorsolaterally.

Abdomen. Fig. 32. Dorsum mainly black, black pilose except 1st tergum yellow pilose laterally; 1st tergum yellow with posteromedial very narrow black fascia not reaching margins; 2nd tergum black dorsally, with anteromedial very narrow black fascia not reaching margins and basal yellow fascia, about 1/4 of tergum length, produced posteriorly in a medial triangular emargination reaching half length of tergum, with lateral margin broadly yellow on anterior 4/5, as broad as anterobasal yellow fascia; 3rd tergum black with basomedial very narrow black fascia not reaching margins and with basal yellow fascia, about 1/3 of tergum length, produced posteriorly in a medial triangular emargination reaching 2/3 length of tergum, with lateral margin yellow on anterior 3/4; 4th tergum similar to 3rd tergum, black with basomedial very narrow black fascia not reaching margins and with basal yellow fascia, about 1/3 of tergum length, produced posteriorly in a medial triangular emargination reaching half length of tergum, with lateral margin yellow on anterior 2/3; 5th tergum black with basomedial very narrow black fascia not reaching margins and with a basal yellow fascia, about 1/2 of tergum length, slightly broader laterally and narrower medially; 6th tergum similar to 5th tergum, black with basomedial broad black fascia and with basal yellow fascia, about 2/5 of tergum length; 7th and 8th terga black; sterna yellowish, black pilose; 4th sternum with some depressed long thin black hairs medially on posterior margin; 5th, 6th and7th terga with some long erected thin black hairs medially on posterior margin.

Type locality. INDONESIA: North Maluku, Jailolo, Halmahera Island, Kampung Pasir Putih. 0°53'N, 127°41'E. The coordinates place the collecting point in the sea due to the planetary model used, but it was moved to the closest terrestrial point in the kml file.

Type. Holotype: “ INDONESIA: Halmahera // Isl., Jailolo Dist., // Kampung Pasir Putih // 0°53'N, 127°41'E ” “ 1–14 Feb. 1981 // AC Messer & PM Taylor” “ HOLOTYPE // Eosphaerophoria // hermosa // det. X. Mengual 20 09 ” [red, second and third lines handwritten] USNM ENT00036562 [1♀, USNM].

Length (1): body, 6.8 mm; wing, 5.0 mm.

Distribution: Indonesia.

Etymology. The specific epithet is derived from the Spanish hermoso, meaning beautiful, comely, handsome. Species epithet to be treated as adjective.

Differential diagnosis. Eosphaerophoria hermosa , E. dentiscutellata and E. adornata are the three species with a distinct medial tooth on the posterior scutellar margin. Eosphaerophoria hermosa has a medial black facial vitta, while the other species have yellow faces and most of the 1st abdominal tergum yellow. In addition, its abdominal pattern is the mostly yellow.