3. 
10. 
ily 
Tue CRANE-FurErs or New York — Part I 943 
Coloration bright shiny yellow, reddish, and black; vertex shiny, with a black spot 
along the inner margin of each eye and a linear dark brown median area; thorax yellow 
with three shiny reddish stripes, the middle one narrowly divided; male antennae 
very short, not attaining the wing base; pubescence of the wings confined to cell R:; 
male hypopygium with the ninth sternite produced caudad in two powerful tooth-like 
lobes. [Pachyrrhina unifasciata Loew. Berl. Ent. Ztschr., vol. 7, p. 294. 1863.] 
(Plate XLIV, 206, wing; Plate XLIX, 262, ninth tergite.) (Subgenus Odontotipula 
FNIGSS)) 5 6:0:0. 0.0: 0 alt RIN CRCT CHR EREN ASR RU eo ST IEPs iin eRe T. unifasciata (Loew) 
Coloration dull brown and yellow; vertex opaque without black marks; prescutum 
dull, dark-colored with paler stripes, the median one at least well indicated; male 
antennae elongate, reaching about to the base of the abdomen; pubescence of the 
wings more extensive, from cell R; to M2. (Subgenus Cinctotipula Alex.).......... 4 
. Antennae with the flagellum bicolorous, the basal swelling of each segment black, the 
elongate pedicel dull yellow; abdomen without distinct crossbands to the segments. 
[Pachyrrhina wnimaculata Loew. Berl. Ent. Ztschr., vol. 8, p. 64. 1864.] (Plate 
XIII, 196, wing; Plate XLIX, 259, ninth tergite.)........... T. unimaculata (Loew) 
Antennae with the flagellum unicolorous; abdomen with the caudal half of the segments 
dark brown, the basal half more yellowish producing a banded appearance. ([Proc. 
Acad. Nat. Sci. Phila., p. 469-471, pl. 16, fig. 2. 1915.] (Plate XLIII, 197, wing; 
Plate XLIX, 260, ninth tergite; Plate LIII, 324, eighth sternite.)..7. algonquin Alex. 
. Coloration as in Nephrotoma — shiny, contrasting blacks, yellows, and reddish browns. .6 ~ 
Coloration dull brown, gray, or blackish, not at all shiny............5........5..... 8 
. Head with a linear black median mark extending from between the antennal bases to 
. the occiput, sides of the abdomen without patches of light silvery gray; female ovipositor, 
elongate, pointed, the valves chitinized. [Proc. Acad. Nat. Sci. Phila., p. 471-472. 
Diet Genoeoe Ol os] (Plate XuobV, 209) wine hs ee ac T. pachyrhinoides Alex- 
Head without a black median line; sides of the abdomen with patches of light silvery, 
gray pruinosity; female ovipositor very blunt, truncate, the valves not chitinized, 
simulating the hypopygium of the male (collaris group)...............2..0.0.00-- 7 
. Head orange-yellow, the occiput with a grayish black spot; prescutum orange-yellow 
with three dull gray-black stripes; posterior margin of the postnotum, and the apical 
half of the first abdominal segment, light gray. [Journ. Acad. Nat. Sci. Phila., vol. 3, 
eee Sosa en alate mx IVa 2Ove wiles)es sui aris ths dele ouen mene T. collaris Say 
Head orange-yellow, with a large brownish orange spot on each side of the vertex touching 
the inner margin of the eye; prescutum shiny, light honey-yellow, with three shiny 
jet-black or reddish black stripes; posterior margin of the postnotum, and the apical 
half of the first abdominal segment, not light gray; wings yellowish, the cord and 
the apex narrowly seamed with brown. (Pachyrrhina nobilis Loew. Berl. Ent. 
Ztschr., vol. 8, p. 62. 1864.} (Plate XLIV, 208, wing; Plate XLIX, 261, ninth tergite.) 
T. nobilis (Loew) 
. Wings striped or streaked longitudinally with brown or reddish brown, this including 
the costal region and along Cu; cell M usually hyaline or nearly so; male hypopygium 
with the sclerites of the ninth segment fused into a continuous ring (tricolor 
PERLE) > 0 0, 60-0 <a SUEASRSERE Tse icc ae ACS aC at EEA CLC aCe eget ese ec eB 9 
Wings not striped nor streaked as above, the costal margin in some cases darkened 
but if so with no brown seams on the other veins..................00 2 cee e cece 14 
. Wings with cell R; hyaline or nearly so, at least on its apical half, thus being continuous 
oOmnearlyasojwith:thelareavn cell Mince e cae ae acts eee eons sats we teers sated os 10 
Wings with cell R; infuscated, concolorous with cells Rs and M.................... 13 
Large species, wing of male over 20 mm.; base of cell R; darkened.................. 11 
Smaller species, wing of male under 18 mm.; cell R; hyaline....................... 12 
Large, wing of male 25 mm., and darker-colored; prescutal stripes heavily margined 
with dark brown; antennae short, not attaining the wing base, dark brown thruout; 
abdominal tergites with a dark brown sublateral stripe; wings with the pattern clear- 
cut, a bright yellow spot in cell /st Ri; cells Mi, M2, M,, and Cu infuscated; male 
