4 2 . XYLOPHAGIDAE. 



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

 taeiiiutus Bellardi, Saggio, etc. App. 5, f. 15. -- Mexico. 



FAMILY XYLOPHAGIDAE. 



Rhacliiccrus. 



Racliicerus, Halidiy, in Walker, List, etc. V, 103; 1S54. 



*fulvicollis Haliday, Walker, List, .tc. I, 124; V, 104. - Georgia. 

 *obscuripeuuis Loew, Centar. Ill, 6. - - Illinois; Detroit, MicL. 



*honestns O. Sacken, Western Diptera, 211. - - California. 

 *nigripalpns Loew, Berl. Ent. Z. 1874, 379. Mexico. 

 *varipes Loew, Centur. Ill, 7. Cuba. 



Xylophagns. 



Meigen, in Illiger's Magaz. II, 266; 1803. 



*abdominalis Loew, Centur. IX, 64. Texas 



*fasciatus Walker, List, etc. I, 128. Huds. B. Terr. 



*longicornis Loew, Centur. IX, 62. -- Massachusetts. 



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



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



reflectens Walker, List, etc. I, 12. New York. 

 *mflpes Loew, Centur. IX, 63. -- Massachusetts; Canada. 



triangularis 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 Subula.) 



Subula. 



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



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



(Xylophctgus). -- Distr. Columbia; Illinois. 



Subula tenthredinoides v. d. Wulp, Tijdschr. voor Entom. 23 Ser. II, 

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

 S. americana" ; Loew, Zeitschr. f. Ges. Naturw. XXXVI, 114). 

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

 phagus). - Indiana (may this not be the same as Arthropeas 

 americana Loew?). 

 *pallipes Loew, Centur. Ill, 9. - - Atlantic States. 



Itolbomyia. 



Loew, Bernstein u Bernsteinfauna, 39, 1550. ( 4G ). 



*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. XXXVII, 313). 



