REPORT OF THE STATE ENTOMOLOGIST I907 



239 



Limnobini . 



Table of classification and larval habits of North American 

 crane flies 



The numbers in parentheses indicate North American species of each genus. 



GENERA LARVAL HABITAT 



f Tanyderinae . . . Idioplasta (2). Unknown 



I f Bittacomorpha (3). In red rotten stuff in shoals 



PTYCHOPTERIDAE { r,. u ..t ■ 1 at head of ponds, etc. 



I Ptychoptennae j ptychoptera (3). On bottom in shallow, stag- 



l [ nant water 



' Geranomyia (9) 



Rhipidia (7). In brook beds; "in excrement?" 

 ) Discobola (2). Unknown 

 1 Dicranomyia (30). In wet, decaying wood; on 



alga-covered surfaces of wet wood 

 , Limnobia (20). In decaying stumps, leaves, etc. 



Toxorrhina (3). Unknown 

 Rhamphidia (2). Unknown 

 Elephantomyia (2). Unknown 

 Elliptera (i). Unknown 

 Orimarga (i). Unknown 

 Atarba (3). Unknown 

 Dicranoptycha (4). Unknown 

 Teucholabis (s). Unknown 

 Antocha (i). In spring brook beds 



Cladura (2). Unknown 



Cryptolabis (2). Unknown 



Rhypholophus (20). In decaying leaves 



Erioptera (9). la water aid c.i chors 



Acyphona (^). Unknown 



Mesocyphona (15). Under decaying leaves, etc. 



Haplobasis (2). Uaknown 



Molophilus (8). In moist earth 



Gonomyia (8). In drift of stream beds 



Empeda (i). Unknown 



Helobia (i). In moist earth by streams 



Chionea (3). In moist earth 



Trimicra (i). In drift of stream beds 



Gnophomyia (3). Unknown 



Phyllolabis (3). Unknown 



Ulomorpha (i). Unknown 



Trichocera (9). In decaying matter in swamps 



Epiphragma (6). In decaying wood 



Limnophila (38). In moist earth 



Anisomera (i). In moist earth 

 Eriocera (26). Unknown 

 Penthoptera (i). Unknown 



Dicranota (3). In water: carnivorous 

 Rhaphidolabis (3). In beds of spring brooks 

 Plectromyia (i). Unknown 

 Ula (2). In swamps 

 Amalopis (11). Under decaying leaves 

 Pedicia (4). In springs 

 Ornithodes (i). Unknown 

 , Polyangaeus (i). Unknown 



ICylindrotoma (4). On leaves of plants (Stel- 

 laria. Anemone, Allium; green in color) 

 Triogma (i). Unknown 

 Liogma (i). Unknown 

 Phalacrocera (i). In lesser waters on Fonti- 

 nalis, etc.; green and brown 



f Dolichopeza (i). In or under moist mosses 

 Oropeza (i). Unknown 

 Xiphura (4). In decaying wood 

 Ctenophora (5). In decaying wood 

 Pachyrhina (41). In earth and rotten wood 

 Stygeropsis (s) 

 Holorusia (i). In mud 

 Longurio (i). Unknown 



Tipula (148). In earth, in mud and in rotten 

 wood 



Eriopterini 



Limnophili 



Anisomerini. 



Tipulinae. 



