Tur CRANE-FLIES oF NEw YorK — Part I 833 
Ascyrum stans Michx. Paulownia tomentosa (Thunb.) Steud. 
Aralia spinosa L. Lonicera sempervirens L 
Ipomoea pandurata (L.) G. F. W. Mey. Viburnum nudum L. 
The following species of crane-flies belong to this zone: 
Dicranoptycha minima Alex. Brachypremna dispellens (Walk.)® 
nigripes O. 8. Nephrotoma okefenoke (Alex.) 
tigrina Alex. virescens (Loew)? 
winnemana Alex. Tipula australis Doane 
Toxorhina magna (O. §8.)§ dietziana Alex. 
Gnophomyia luctuosa O. 8.6 flavibasis Alex. 
Epiphragma solatrix (O. 8.) morrisoni Alex. 
Eriocera aurata Doane 
wilson O. S. 
The Lower Austral zone-—‘‘The Lower Austral zone occupies the 
southern part of the United States, from Chesapeake Bay to the great 
interior valley of California.”” (Merriam, 1898:41.) 
This is a region characterized by a great number of southern plants, 
of which the cabbage palmetto (Sabal palmetto Lodd.), the Venus’s fly- 
trap (Dionaea muscipula Ellis), and the crape myrtle (Lagerstroemia 
indica L.) may be cited as Eypcal The following species of crane-flies 
belong to this zone: 
Dicranomyia distans O. 8. Tipula aspidoptera Alex. 
floridana O. 8. comanche Alex. 
Diotrepha mirabilis O. 8.8 costaloides Alex. 
Gonomyia pleuralis (Will.)§ guasa Alex. 
puer Alex® ludoviciana Alex. 
slossonae Alex.® seminole Alex. 
‘Polymera georgiae Alex. texensis Alex. 
The Tropical region 
The Tropical zone.— ‘The Tropical region within the United States is 
of small extent and is restricted to three widely separated localities — 
southern Florida, extreme southeast Texas. . .  , and the valley of the 
lower Colorado River in Arizona and California. The Florida area is 
genuine humid tropical.”” (Merriam, 1898 :51—52.) 
The following species of crane-flies pertain to this zone: 
Dicranomyia reticulata Alex. Erioptera immaculata Alex. 
Rhipidia schwarzi Alex. Megistocera longipennis (Macq.) 
Geranomyia virescens Loew 
6 Southern species reaching their northern limit in this zone. 
7 Species characteristic of this zone but running into the Transition zone. 
8 Tropical species reaching their northern limit in this zone. 
