Kryptopyga sulawesiana Reemer

Reemer, Menno & Stahls, Gunilla, 2013, Generic revision and species classification of the Microdontinae (Diptera, Syrphidae), ZooKeys 288, pp. 1-213 : 101-102

Kryptopyga sulawesiana Reemer sp. n. Figs 126-129, 131

Type specimens.

HOLOTYPE. - Male. Label 1: "INDONESIA; N. Sulaw.; / 20 km N. Bitung: Tang- / koko N.P.; 0-200 m; / 1°N, 125°12 E; 19 / IV 1988; R. Hensen." Coll. RMNH.

Diagnosis.

This species differs from Kryptopyga pendulosa by the less modified abdomen: tergite 4 is not perpendicular to tergite 3 and sternite 4 is well visible in ventral view.

Description (based on holotype).

Adult male. Body size: 14 mm.

Head. Face occupying about 2/5 of head width in frontal view; black on median 1/2, pale brown on lateral 1/4; entirely long appressed yellowish pilose, golden on ventral half. Gena widely developed; blackish; long yellow pilose. Oral margin anteriorly notched, laterally produced. Frons black; short golden pilose. Vertex strongly swollen; black; short golden pilose anteriorly, long black pilose posterior to ocellar triangle. Ocellar triangle not elevated. Occiput strongly swollen dorsally, narrow laterally; black; black pilose dorsally, golden pilose ventrally. Eye bare. Antennal fossa about as high as wide. Antenna blackish brown, scape a little paler basally; ratio of lengths of scape and basoflagellomere approximately as 1:4, pedicel very short; basoflagellomere very long (4 mm), parallel-sided, with very long black pilosity, about 1,5 times as long as width of basoflagellomere. Arista absent.

Thorax. Mesoscutum black; black pilose, except for some golden pile along transverse suture and along lateral margins. Postpronotum and postalar callus brown, black pilose. Scutellum yellow; black pilose. Pleuron blackish brown. Anepisternum with deep sulcus separating posterior from anterior part; mixed yellow and black pilose anteriorly, black pilose posterodorsally, yellow pilose posteriorly. Anepimeron entirely long yellow pilose. Katepisternum long pale yellow pilose dorsally and ventrally. Ka tatergum long microtrichose, anatergum short microtrichose. Calypter greyish yellow. Halter yellow.

Wing: hyaline, slightly darkened anteroapically; microtrichose, except bare on 1st and cell c, basal 1/3 of cell r1, basal 1/4 of cell r2, basal 1/2 of cell r4+5, basal 1/2 of cell dm, entirely on cells R and BM, entirely on cell br and BM, anterobasally on cell dm, most of cell cup and most of alula (only microtrichose along margins).

Legs: Brown, more blackish on femora and fore- and mid-tibiae; femora pale pilose anteriorly, black pilose posteriorly; tibiae and tarsi yellow pilose.

Abdomen. Elongate, more or less oval, with widest point at posterior margin of tergite 2; high in lateral view; tergites 3 and 4 not fused, with posterior margin of tergite 3 strongly overlapping tergite 4. Tergites blackish, except terigte 1 yellowish brown and other tergites narrowly yellowish brown along margins; short black pilose, except longer yellowish pilose along lateral margins of all tergites and posterolateral margins of tergites 3-4. Sternite 1 blackish; bare. Sternites 2-4 dark brown on anterior 2/3, yellow on posterior 1/3; entirely long yellow pilose. Genitalia as in Fig. 131.

Female. Unknown.

Etymology.

The specific epithet (noun in the genitive case) is derived from the Indonesian island Sulawesi, the type locality.