MirLER.— Diptera Fauna of New Zealand. 281 
Material for a Monograph on the Diptera Fauna of New Zealand: 
S Part 2, Family Syrphidae, Supplement А.* 
By Davi» MILLER, Government Entomologist. 
[Read before the TA e aa Philosophical Society, 24th October, 1922 ; received by Editor, 
st December, 1922 ; issued separately, 18th June, 1924.] 
Genus Paracus Latreille (1805). 
P. myersii n. sp. 
d. Head large and боз wider than thorax, shining greenish-black 
with pruinose reflectio Eyes bare, completely holoptic, occupying pos 
terior half of head m their anterior orbits forming an almost tah 
line across top; in profile, lower eye-angle well above oral margin; facial 
orbits almost а and slightly concave. Face, cheeks, crown 
of head in front of eyes, and antennae black in ground-colour, but gre 
pruinose, except for a black area extending from lower part of facial orbits 
to anterior oral margin. Sides of face, cheeks, and crown hairy, hairs on 
sides of face and crown black, erect and dense, so that when seen from 
above odd is tufted in front of eyes ; hairs of cheeks grey ; a distant groove 
originating in a distinct depression below eyes runs diagonally to base of 
UE Middle of face bare, not depressed but rather rounded below 
antennae; a moderate central tubercle, black on centre, below which oral 
margin slightly projects. Proboscis blackish-brown, palpi paler, linear and 
swollen at end. Occiput black, depressed, orbits somewhat swollen, greyish- 
pruinose, wider and clothed below with at. pale hair, narrower and 
clothed with longer hairs above, the hair extending over Шел гедер large 
ocellar triangle. Top of head comparatively horizontal, antennae situated 
high up, separated basally, greyish-yellow pruinose, De edo short, 
p and scutellum shiny blue-black, clothed with long delicate 
ish hair. his us clear, stigma faintly marked ; ; halteres greyish-black. 
ен drain. : ои tarsi flat: their protarsi broad with anterior 
inner angle produced, remaining joints broad but shortening and narrow- 
ing to onychotarsi. 
Abdomen clothed with delicate greyish hair, linear, sides parallel ; 
five visible segments ; dull blue-black in colour, a pale opal-white triangular 
spot at anterior angles of 3rd, 4th, and 5th segments. Genitalia brownish- 
bl. 
Q. ` Eyes broadly dichoptic, their facial orbits convex; vestiture of head 
shorter than in $; a deep sinuated transverse groove across front from 
. eye to eye. Thorax shorter-haired ; anterior protarsi not produced at inner 
angle. Abdomen rectangular, shiny greenish-black ; a pair of indistinct 
Spots, seen only in some E on 2nd, 3rd, 4th, and 5th segments. 
$. Length, 11 mm. $. Length, 10 mm 
verb р No. 1261, D. M. 
at.—Tararuas, 4,300 ft. ; captured by J. б. Myers on flowers of 
Ran и geranifolius. 
* Part 2, Trans. N.Z. Inst., vol. 53, pp. 289—333, 1921. m 
