INDEX. 



abbreviata, Parydra, 168 

 Acalyptratae, 33 

 Acanthocera, 20 

 Acanthomera, 19 

 Acanthomeridae, 19 

 Acanthomyia, 17 

 Acanthoneura, 49 

 Acarterus 30 

 Achalcus, 32 

 aciculata, Psilopa, 142 

 Acidia, 49 



acidiisa, Trypeta, 57 

 Acinia, 49, 50 

 Acinia comma, 58 



novaeboracensis, 78 



solidaginis, 82 

 Aciura, 49, 50 

 Aclada, 13 

 Acnephalum, 23 

 Acreotrichus, 25 

 Acrochseta, 17 

 Actina, 17, 18 

 Actora, 37 

 Acurana, 23 

 Adelidea, 25 

 Adraga, 18 

 Aedes, 5 

 senea, Ortalis, 59 

 aequalis, Trypeta, 86 

 Agromyza, 46 - 

 Agromyzidae, 46 

 agrostis, Cecidomyia, 204 

 Aissa, 18 



alba, Trypeta, 100 

 albidipennis, Trypeta, 100 

 albiscutellata, Trypeta, 57, 60 

 Alcimus, 23 

 Allarithmia, 11 

 Alliocera, 18 

 Amalopis, 10, 11 

 americana, Blepharocera, 8 

 Amictus, 25 

 Ampsalis, 18 

 Ampyx, 23 

 Anabarhynchus, 24 

 Anacanthella, 18 



Analcocerus, 17 

 Anarete, 7, 177 

 Anaretina, 7, 174 

 Anarolius, 23 

 Andrenosoma, 24 

 Anepsius, 32 

 anilis, Dryomyza, 128 

 Anisomera, 10, 11 

 Anisophysa, 18 

 Anisotamia, 25, 26 

 annulata, Gynoplistia, 13 

 Anomoia, 50 

 Anopheles, 5 

 Anthalia, 30 

 Anthomyia, 36 

 Anthomyidae, 36 

 Anthophilae, 33 

 Anthrax, 25, 26 

 antica, Sciomyza, 104 

 antillarum, Trypeta, Urophora, Or- 

 talis, 57, 61 

 Antipalus, 24 

 Antiphrisson, 24 

 Antocha, 10, 11, 12 

 Apatomyza, 25, 26 

 Apeilesis, 10 

 Aphrites, 25 

 Aphrosylus, 32 

 Aplomera, 30 

 Apoclea, 23 

 Apolysis, 25 

 Aporosa, 10 



appendiculata, Paralimna, 138 

 Aragara, 50 



arcuata, Tetanocera, 115 

 arcuata, Trypeta, Ortalis, 57, 60 

 Ardoptera, 31 

 Argyra, 32 

 Argyromo3ba, 25, 26 

 Argyrospila, 25 

 Aricia, 36 



armata, Trypeta, Strauzia, 5, 60, 65 

 armipes, Sepedon, 126 

 Arrhenica, 10, 11 

 Artemida, 18 

 Arthria, 14, 15 



