4 2 XTLOPHAGIDAE. . 



scalaris Wiedemann, Auss. Zw. II, 618, 8. — Georgia. 

 taeuiatns Bellardi, Saggio, etc. App. 5, f. 15. — Mexico. 



FAMILY XYLOPHAGIDAE. 



Rhacliiceriis. 



Eachtcerus, Haliday, in Walker, List, etc V, 103; 1854. 



*fulYicolIis Haliday, Walker, List, !.tc. I, 124; V, 104. — Georgia, 

 *obscuripenuis Loew, Centar. HI, 6. — Illinois; Detroit, Mich. 



*lionestus O. Sacken, Western Diptera, 211. — California. 

 *uig'ripalpHS Loew, Berl. Ent. Z. 1«74, 379. — Mexico, 

 •varipes Loew, Centur. Ill, 7. — Cuba. 



Xylophagiis. 



Meigen, in Illiger's Magaz. II, 2G6; 1803. 



* abdominalis Loew, Centur. IX, 64. — Texas 



*fasciatus Walker, List, etc I, 128. — Iluds. B. Terr. 



*loii8'icoriiis Loew, Centur. IX, 62. — Massachusetts. 



*lugens Loew, Centur. Ill, 8 — Illinois; Pennsylvania; White Mts., N. H. 



persequus Walker, Dipt. Saund., 1, — North America. 



rellecteiis Walker, List, etc. I, 12. — New York. 

 *ruflpes Loew, Centur. IX, 63. — Massachusetts; Canada. 



triang'ularis Say, Journ. Acad. Phil. Ill, 30; Compl. Wr II, 52; 

 Wiedemann, Auss. Zw. I, 85, 2. — Missouri. (Macquart, Dipt. 

 Exot. I, 1, 171, suspects that this is a SubiiJa.) 



Suhnlsa. 



Meigen, Syst. Beschr. II, 15; 1820; Macquart, H. N. Dipt. 



♦americana Wiedemann, Dipt. Exot. I, 51, 1; Auss. Zw. I, 84, 1 

 (Xylopliagus). — Distr. Columbia; Illinois. 

 Subitla tenthredinoides v. d. Wulp, Tijdschr. voor Entom. 2^ Ser. II, 

 132; Tab. Ill, f. 5 — 7. — Wisconsin [„Is but a dark variety of 

 S. americaiia" ; Loew, Zeitschr. f. Ges. Naturw. XXXVI, 114J. 

 fasciata Say, Journ. Acad. Phil. VI, 155; Compl. Wr. II, 353 (Xylo- 

 phacjus). — Indiana (may this not be the same as Aiihroxieus 

 americana Loew ?). 

 *pallii>es Loew, Centur. Ill, 9. — Atlantic States. 



Ilollbomyia. 



Loew, Bernsteia u. Bernsteinfauna, 39, 1850. (*^). 



*nana Loew, Centur. II, 5. — District Columbia (compare about this 

 species Dr. Loew's article, On the Diptera of the amber fauna, 

 translated in Sillim. Journ. Vol. XXXVIl, 313). 



