The Crane-Flies of New York — Part I 833 



Ascyrum stans Michx. Paulownia lomentosa (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. S. Nephrotoma okefenoke (Alex.) 

 tigrina Alex. virescens (Loew)'' 



winnemana Alex. Tipula australis Doane 



Toxorhina magna (O. S.)^ dictziana Alex. 



Gnopkomyia luctuosa O. S.* flavihasis Alex. 



Epiphragma solatrix (0. S.) morrisoni Alex. 



Eriocera aurata Doane 

 wilsonii 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 (Sahal palmetto Lodd.), the Venus's fly- 

 trap (Dionaea muscipula Ellis), and the crape myrtle {Lager stroemia 

 indica L.) may be cited as typical. The following species of crane-flies 

 belong to this zone: 



Dicranomyia distans O. S. Tipjda aspidoptera Alex. 



floridana O. S. comanche Alex. 



Diotrepha ynirabilis O. S.* 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 reticxdata Alex. Erioptera immacxdata Alex. 



Rhipidia schwarzi Alex. Megistocera longipennis (Macq.) 



Geranomyia virescens Loew 



^ Southern species reaching their northern limit in this zone. 



' Species characteristic of this zone but running into the Transition zone. 



' Tropical species reaching their northern limit in this zone. 



