indistinct orange anterolateral spots (Fig. 120). Sternites 2-4 each with distinct black band or mostly or entirely black, with yellow hairs.
Female. Frons mostly shining blac! gray pruinose laterally on about lower two-thirds, slightly yellowish immediately above antennae. Femora mostly yelloq hind femr.rr brownish anteriorly on middle half Sternites 2-E each with narrow to broad black band, with only yellow hairs.
Distribution. Southeastern Canada (Map 15),
Wisconsin,
Mississippi, and North Carolina. Wis., V;Miss., N.C., IV
Specimens
identified.
E p i strop h
e
Canada, 1 d; United States, 4
strop h e) n iti d i c o I I i s
(E p i
Fig.
I2l;
(M ei
66,I9.
gen)
Map 16
Syrphus ruitidicollis Meigen, 1822;308. Syrphus protritus Osten Sacken, 1877:328. Stenosyrphus hunteri Curran, 1925:17 L.
Length.
9.3-13.0 mm.
Male. Frons with upper one-third to half pruinose, pale yellow to almost black; lower two-thirds to half of frons shining, yellow or extensively brown to black with only narrow anterior margin yellowish. Face yellow. Antenna yellow-orange; first flagellomere brown above in some specimens.
Scutellar hairs almost
all black. Metasternum
bare. Wing
membrane bare in most of basal half of cell br, about middle half of cell bm except posteriorly, and in narrow strip behind CuP Fore coxa brown to black; mid and hind coxae black; latter with onlyyellow hairs. Femora entirely yellow or fore and mid femora obscurely or distinctly brown on about basal one-fifth and hind femur brown on up to basal one-third. Tergite 2 with yellow spots only slightly broadened laterally over most of their width, abruptly broadened near margin, and extending over anterior two-thirds of margin; tergites 3 and 4 with yellow bands scarcely emarginate posteriorly and only slightly narrowed laterally;
tergite
4
narrowly yellow posteriorly; margins
of
tergltes 2-4
alternately black and yellow (Fig. 121). Sternites with yellow hairs.
Female. Frons mostly shining to subshining black, narrowly yellow-gray pruinose laterally on lower two-thirds, narrowly yellow anteriorly. Tergite 2 with yellow spots well-separated from anterior margin over most of their width, strongly broadened near margin. 84