ORTALIDAE. 181 



FAMILY ORTALIDAE. ( 29S )- 



SECTION I. PYRGOTINA. 



Wiedemann, Auss. Zw. IF, 581; 1830; Loew, Monogr. Ill, 72. 



*filiola Loew, Zeitschr. f. Ges. Natttrw. Dec. 1876, 332. Texas. 



Pyryota debilis 0. Sacken, Western Dipt. 343. - - Kentucky. 

 fenestrata Macquart, Dipt. Exot. Suppl. 4, 281; Tab. XXVI, f. 1 

 (Oxycepliala). -- North America [Macquart gives no locality, but 

 says : ,,same locality as Oxycei>ld<i fuscipcnnis", which is Pyrgota 

 undataj. ( 29t ). 

 pterophorina Gerstaecker, Stett. Ent. Z. XXI, 190; Tab. II, f. 6; 



Loew, Monogr. Ill, 81. Carolina. 



*undata Wiedemann, Auss. Zw. II, 581; Tab. X, f. 6; Macquart, Hist. 



Nat. Dipt. II, 423; Tab. XVIII, f. 23; Harris, Ins. Injur. to Veget 



3d edit. 610 f. 268 (Sphe comyia) ; Gerstaecker, Stett. Ent. Z. XXI, 



188; Tab. II, f. 7 and 7a ; Loew, Monogr. Ill, 77. - - Not rare 



especially in the northern States, from Massachusetts to Kansas. 



(A specimen exactly like P. undata is labelled ,,Brazil u in the Vienna 



Museum. This occurrence requires confirmation, like that of 



Bittacomorpha clavipes, recorded from Brazil in the same Museum.) 



Myopa nigrvpenms Gray, Griffith's Animal Kingdom, Tab. 125, f. 5. 



Oocycephala fuscipennis Macquart, Dipt. Exot. II, 3, 198; Tab. XXVI, 



f. 6 [!]. - - No locality. (Macq. 4" Suppl. 281, America.) 

 *valida Harris, Ins. Injnr. to veget. 3 d edit. 611 (Sphecamyia). -- Nor- 



thern and Middle States. ( 2P5 ). 



Pyrgota millepwnctata Loew, Neue Beitr. II, 22, 50; Monogr. Ill, 74. 

 ?0xycepli(da inacitlipenms Macquart, Dipt. Exot. Suppl. I, 210; 



Tab. XVIII, f. 12. 



vespertilio Gerstaecker, Stett. Ent. Z. XXI, 189; Tab. II, f. 8; Loew, 

 Monogr. Ill, 79. - - Carolina. 



Toxotrypana. 



Gerstaecker, Stett. Ent. Z. XXI, 191; 1860. 



curvicauda Gerstaecker, Stett. Ent. Z. XXI, 194; Tab. II, f. 9. - 

 West Indies (Island St. Jean, in the small Antilles). 



SECTION II. PLATYSTOMINA. 



Amphicgicphes. 



Loew, Monogr. Ill, 83; 1873. 



* pertnsns Loew, Monogr. Ill, 84; Tab. VIII, f. 1. - - Distr. Columbia; 

 Connecticut; Carolina; Texas. 



Himeroessa. 



Loew, Monogr. Ill, 85; 1873. 



*pretiosa Loew, Monogr. Ill, 85; Tab. VIII, f. 2. Cuba. 



