86 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 85 



Identifications of Diptcra — Continued 



Number of 

 Family identilications 



Leptidae 42 



Nemestrinidae 



Cyrtidae i 



Bombyliidae 8 



Therevidae 5 



Scenopinidae i 



Mydaidae 



Apioceridae 



Asilidae 170 



Dolichopodidae 86 



Empididae 48 



Lonchopteridae 



Phoridae 9 



Platypezidae 



PipuncuHdae 



Syrphidae 259 



Conopidae 



Oestridae 4 



Tachinidae 54 



Dexiidae 



Sarcophagidae 102 



Muscidae (sens. lat. ) 512 



■Anthomyiidae 109 



Scatophagidae 79 



Heteroneuridae 7 



Helomyzidae 11 



Borboridae 29 



Phycodromidae 20 



Sciomyzidae 13 



Sapromyzidae 24 



Ortalidae 18 



Rhopalomeiidae 



Trypetidae 10 



Micropezidae 



Sepsidae 8 



Psilidae 



Diopsidae 



Ephydridae 305 



Oscinidae 20 



Drosophilidae 2 



Geomyzidae i 



Agromyzidae 2 



Hippoboscidae i 



Nycteribiidae 



Unidentified 4.904 



Percentage of 



identifications 



among tliose 



of all 



Diptera 



.38,6 



.0092 

 .0738 

 .0461 

 .0092 



1.5688 

 .7936 

 .4430 



.0830 



2.3902 



.0369 

 •4983 



•9413 

 4-7250 

 1.0059 

 .7290 

 .0646 

 .1015 

 .2676 



.i84f) 



.I2C0 

 .2215 

 .1661 



.0923 

 .0738 



2.8147 

 .1846 

 .0184 

 .0092 

 .0184 

 .0092 



45.2566 



Percentage 



of species 



in this family 



among the 



whole number 



of nearctic 



Diptera 



1.4644 



.0692 



.4843 



5-2581 



.8187 



.1268 



•5074 



.0807 

 6.3536 

 6.2959 

 5-4196 



.0346 



.7380 



.2998 



.3229 

 9.3401 

 1.0378 



■3459 

 12.6841 



1-9833 

 1.4183 



3-4478 



.9917 



.1614 



.4728 



-2767 



.0231 



.7380 

 1.2338 

 1.7181 



.0346 

 2.3984 



.7380 



-3344 



.2883 

 1.0115 

 1.6720 

 I -545 1 



.8763 



.1730 

 10954 



-5304 



.0576 



