17. 
18. 
19. 
20. 
22. 
23. 
24. 
25. 
THE CRANE-FiIcs oF New YorkK — Part I 945 
Wings spotted, banded, clouded, or tipped with brown or gray..................... 18 
Wings unicolorous — hyaline, yellowish, or dark brown, in many cases, however, with 
the stigmal spot present; usually with a pale vitreous obliterative streak at or before 
the cord, extending from before the stigma to the region of cell /st M2 or beyond; 
in some cases the costal region a little darkened, and perhaps a vitreous spot beyond 
thepstiomayimutherpaseroncellione tan om ale os eo shaicis cele nioine iets Ns ceictotee eleciaalaees 68 
sbi DROVE IMeruRALLOP MISCO my nals lr cui Senneabaerfiacsrrr lane rain lw Qiaverraus Graublnl oye, dlav econ iota otecau alae elias 19 
Tip of vein R2 present, reaching the wing margin.................0..000 eee eee eee 20 
Wings long and narrow, in the male 14 mm. long; cell /st M2 elongate, as long as or 
longer than cell M,; blotch at the origin of the sector connected with the blotches in 
cell R. [Berl. Ent. Ztschr., vol. 7, p. 282. 1863.] (Plate XLVIII, 248, wing.) 
T. subfasciata Loew 
Wings short and broad, in the male 11.6 mm. long; cell 1st M2 short and broad, about 
two-thirds the length of cell Mi; a small brown spot at the origin of the sector; a dark 
spot at the base of the wing. [Proc. Acad. Nat. Sci. Phila., p. 472-474, pl. 16, fig. 4. 
1915.] (Plate XLVIII, 247, wing; Plate L, 275, ninth tergite; Plate LIII, 334, lateral 
aspeetotemealey hy popyeium)) ony seek nee ce eee ceria T. penobscot Alex. 
Wings with the apex broadly dark brown, extending from the outer end of cell R2 to 
the end of cell M2; no brown markings proximad of the cord; body coloration yellowish 
brown; scape of the antennae bright yellow; wing under 15 mm. [Berl. Ent. Ztschr., 
vol. 7, p. 277. 1863.] (Plate XLVIII, 254, wing; Plate LI, 302, ninth tergite; Plate 
LIV, 342, lateral aspect of male hypopygium.)................... T. apicalis Loew 
Wings with the dark markings not confined to the apex, or if the tip is darkened the 
coloration of the body is gray and the scape of the antenna is dark brown (7’. iroquois) 
or the size of the fly is larger (valida group, wings over 18 mm.)................. 21 
. Wings banded brown and white, with a broad, uninterrupted white crossband beyond 
the stigma, extending from the end of cell 2d Ri to the middle of cell M:, or beyond 
LOREM RNAP SMIARCTN ye eure ict ine wala e cite erupt Ne Noch rn bole Canoe c at seal ie 22 
Wings without an uninterrupted white crossband beyond the stigma................ 23 
Smaller species, wing of male less than 15 mm.; antennal flagellum bicolorous; thorax 
gray with four broad brownish stripes; wings with the white fasciae narrow; male 
hypopygium with the ninth tergite (Plate LI, 291) narrowly notched medially. 
[Berl. Ent. Ztschr., vol. 8, p. 61. 1864.] (Plate LIV, 340, lateral aspect of male 
|aiSASLO) DAV EAATIOD 9) ul Shee eet at abe Ame REI AUAIE as en ESM MRIS et Dt La T. angulata Loew 
Larger, wing of male over 15 mm.; antennal flagellum unicolorous; thorax gray with 
an interrupted pattern of dots and narrow brown lines; wings with the white fasciae 
broad, the basal one especially broad; male hypopygium with the ninth tergite (Plate 
LI, 294) broadly and shallowly notched caudally, bearing a more or less bifurcate 
median tooth. [Journ. Acad. Nat. Sci. Phila., vol. 3, p. 26. 1828.] (Plate XLVI, 
DO OMEVATICS) ER Ne oy eer tar mcrae TReN cakl en eens Cat mi alaata site aon ba T. trivittata Say 
Large, length of male over 25 mm.; vertex light yellow; thoracic dorsum with a velvety 
black pattern margined with paler, producing an ocellate appearance; abdominal 
tergites bright orange with a broad brownish black stripe on either side; segments 
7 to 9 dark brownish black. [Ctenophora abdominalis Say. Journ. Acad. Nat. Sci. 
Phila., vol. 3, p. 18. 1823.] (Plate XLV, 210, wing; Plate LI, 299, ninth tergite.) 
T. abdominalis (Say) 
Smaller, length of male under 20 mm.; not colored as above.............2.0eeeeee 24 
INIGTESE(ASBKa OW) Pe etsest ar ebe nhs nates USES i Neb pay Arsh at Ja Vy) Sc ain ald Sy annie sa 25 
HET A eSk (ASEKMO Wil) eV Ntae re aniae team ties Araceli wawen Siconhee tl MMMM NM A 0S s8 Ie ge os sauteed fo 49 
Coloration bright orange, the thoracic dorsum without darker stripes; wings yellowish 
basally, more clouded with brown apically; a small brown spot at the base of the wing 
and another at the origin of the sector; antennae bicolorous; male hypopygium 
asymmetrical, the right pleurite produced caudad into a prominent two-cleft arm. 
[Ctenophora fuliginosa Say. Journ. Acad. Nat. Sci. Phila., vol. 3, p. 18. 1823.] 
(Plate XLVIIT, 245, wing of male; Plate LI, 289, ninth tergite.)... 7. fuliginosa (Say) 
(OLOTATTOMMMOLRASTA DOVE em stevens chars sie Ake Casa Ip PUTS ear gr vieare esr. cies lee lava etic 26 
