164 



NORTH AMERICAN DIPTERA. 



Phyllolabis, 34 

 Phyllomidas, 63-vi, 36 

 Phthiria, 67 

 Phylomyza, 104 

 Physocephala, 93-lvii, 6 

 Physogenua, 124-lii, 6 

 Phytomyza, 103 

 Piophila, 113 



PIOPHILIDJH, see Sepsidae 111 

 Pipiza, 85 

 PiPUNCULiDjE, 93 

 Pipunculus, 94 



Plagiocera, see Meromacrus, 97 

 Plagioneurus, 78 

 Plagiotoma, 121 

 Platychirus, 86 

 Platycnema, 95 

 Platynochaetus, 88-lxx, 2 

 Platypeza, 95 



Pl.ATYPEZIDvE, 94 



Platystoma, 115 



Platyura, 17 



Plecia,38 



Plectroxnyia, 35 



Plesiastina, 17 



Plesiomma, 66 



Ploas, 66 



Pocota, see Hadromyia, 89 



Pcecilobothrus, 78-lxxi 



Pogonosoma, 58 



Pollenia, 144 



Polydonta, see Polydontomyia, 89 



Polydontomyia, 89 



Polylepta, 18 



Polymedon, 79 



Polymera, 31, 34 



Polymorphoniyia, 122-xli, 2 



Porphyrops, 81 



Priomerus, 87-lii, 9 



Prochyliza, 112 



Proctacanthus, 59 



Promachus, 59 



Prothecus, see Pipunculus, 94 



Psairoptera, 118 



Pseudatrichia, 70 



Pseudorus, 57 



Psila, 114 



PSILID^;, 114 



Psilocephala, 69 



Psilocurus (Orthoneuromyia) 55 



Psilopa, 110 



Psilopus, 77 



Psychoda, 27 



PSYCHODID^E, 26 



Psilota, 85 



Ptecticus, 47 



Pterallastes, 88 



Pterocalla, 118 



Pterodontia, 71 



Pteroptila, see Meromacrus, 88 



Ptiolina, 44 



Ptychoptera, 36 



Pycnopogon, 56 



Pyrgota, 115 



Pyrellia, 144 



Pyrophaena, 35 



Rivellia, 116 



Rhabdopselaphus, 68-vi, 46 

 Rhachicerus, 43 

 Rhadiurgus, 59 

 Rhamphomyia, 74 

 Rhamphidia, 33 

 Rhaphiocera, 46-lii, 9 

 Rhaphiorhynclius, 49-lxx 

 Rhaphiomidas, 60 

 Rhaphium, 81 

 Rhicnoessa, 103 

 Rhingia, 87 

 Rhinotora, 125-lvii, 4 

 Rhiphidia, 32 

 RHOPALOMERID.S, 124 

 Iiho}>alomyta,see Willistoniella,125 

 Rhopalosyrphus, 84 



