Dasiops aureolus
FEMALE. Small with smooth blue-black frons, pale wings, calyptrae, and tarsi, and
abdomen glittering golden-green at sides and apex. Length to base of ovipositor about 2.75 mm.
Head 1.4 times as wide as high. Compound eye distinctly pubescent; hairs as long as combined
diameters of two ommatidia, and rather sparse. Frons dark-blue; lightly pollinose over most
of surface; very convex and smooth; about 1.1 times higher than wide; sides almost parallelslightly outwardly-bowed in middle; hairs fine, but moderately long, none on orbital plates
above orbital bristle. Lunule, face and parafacials dull-greyish pollinose. Lunule with a dull
depression on each side of mid line; hairs fine and sparse. Parafacials moderately narrow;
with shiny ridge and depression at junction with frons. Cheek not very broad; with a single,
strong, upcurved, vibrissa-like bristle, and several stout setae below it and 2 to 3 fine incurved
hairs above it. Antennae black; third segment about 1.5 times as long as wide. Arista with
very short pubescence; yellowish at base.
h7esonomrn brownish-black; uniforlnly heavily pollinose; with weak gold-green reflections.
Hairs short; none in prcscutcllar area or notopleural depression. Scutellum bare except
for usual 4 bristles. IVith single ponstigmacsl, stigmata1 and sternopleural bristles. Mesoplcnron
wirh Z strong posterior and 2 welker anterodorsal bristles. Prosternum bare. Calyptrae
and frinps whitish; margins yellowish. Wings creamy hyaline, with pale-yellow veins.
Metatarsi of all tarsi pale yellom-; remaining cegments increasingly darker brown.
Ahdornen bright golden-green at sides of tergum three; more broadly so on tergum four
and entirely so on fifth and ~ixth rerga; remainder heavily brownish-grey dusted. Tergum
seven wirh a fascicle of closely-placcd \etae at middle of hind margin. Ovipositor broad, but
not as broad as in r~[Qicnrlus; apex of penultimate segment more gradually tapered than in
that species. Apical segment hr~ghr-yello\v; elongate-hexagonal in dorsal view; about as long
as width of penultimate segment. about half exposed; sides of exposed part strongly angulate
in middle; apex very sharp, forming an angle of about 80"; sides almost parallel before lateral
anplation, and bcaring 2 tiny Ilnin on each side.
MALE . Differing from female as follows: Frons much narrower and duller; about 1.5
times aq long as wide; sides sliglirly inwarrlly-curved. Calyptrae brownish with darker brown
margins and fringes. Bright golden-green area of abdomen less extensive. Tergum five with
some pollen in middle anteriorly. Surstylus very small; posterior lobe with a single, moderately
weak tooth and 2 additional setulae that appear to be reduced teeth; bristles at apex of median
lobe much stronger than strongest tooth. Aedeagus broadly funnel-shaped; apex evenly
rounded.,