INSECTA. 
661 
New species : — 
Eristalis. Walker describes tbe following new species (Proc. Linn. Soc, 
vol. vii.) : Eristalis cequiparSj 1. c. p. 210, E, postscripta^ ibid., E. erythropyga^ 
1. c. p. 211, and E.placens, ibid., from Mysol ; and E. merodontoideSj 1. c. p. 234, 
from Ceram. 
Spilomyia liamifera, Loew, Berl. ent. Zeits. 1864, p. 66, and S. fmca, Loew, 
1. c. p. 67, from Pennsylvania. , 
Temnostoma ohscura, Loew, 1. c. p. 67, from tbe Saskatchewan ; T. cequalisy 
Loew, 1. c. p. 68, from English River j and T, alternansy Loew, ibid., from 
Philadelphia. 
Lepidomyia calopuSy Loew, 1. c. p. 69, from Cuba. 
Xylota hicolor, Loew, 1. c. p. 70, from Illinois ; X. fraudulosa,\joevr, c. p.71, 
from Illinois and Wisconsin ; and X. hai'haia, Loew, 1. c. p. 70, from Sitka. 
Chrysotoxum later ale, Loew, 1. c. p. 72, from Nebraska; C. puhescens, Loew, 
ibid., from Illinois; and C. ventricosum, Loew, ibid., from Washington. 
Microdon tristis, Loew, 1. c. p. 73, from Virginia ; M. Icetus, Loew, 1. c. p. 74, 
from Cuba ; and M. coarctatus, Loew, ibid., from Columbia. 
Ceria abbreviata, Loew, 1. c. p. 76, from Pennsylvania. 
Lobidptera marginata, Mik (inargaritata on plate and in its explanation). 
Verb, zool.-bot. Ges. in Wien, Band xiv. p. 796, Taf. 21. fig. 6* 
CoNOPIDvE. 
Bombidia, Lioy, Atti 1st. Ven. 3“ ser. tomo ix. p. 1326. Allied to Comps ; 
forehead produced into a conical process ; abdomen slightly narrowed at base. 
Sp. Comps Jlavipes (Linn.). 
Arpagita, Lioy, 1. c. p. 1327. Allied to Myopa ; palpi long, cylindrical ; 
abdomen broad, depressed. Sp. Myopa dorsalis (Fab.). 
Cylindrogaster, Lioy, 1. c. p. 1327. Allied to Myopa ; palpi long, cylindrical ; 
abdomen narrow, cylindrical, with the second segment elongate, and the last 
curved downwards. Sp. Comps ferruginea (Linn.). 
Ischiodonta, Lioy, 1. c. p. 1328. Allied to preceding ; palpi long, curved ; 
abdomen with the second and third segments laterally dilated ; coxae usually 
dentate. Sp. Myopa fasciata (Meig.), &c. 
Comps metaxantha, sp. n.. Walker, Proc. Linn. Soc. vol. vii. p. 226, from 
Waigiou. 
HiPPOBOSCIDvE. 
Ornitliomyia chinensis, Giglioli, Journ. Micr. Sci. vol. iv. p. 23, pi. 1 b. fig. 10, 
on Turdus obscurus, in China; O. metallica, Schiner, Fauna Austr. p. 646; 
0. tenella (Rogenhofer, MS.), Schiner, ibid. 
Strebla molossa, Giglioli, 1. c. p. 24, pi. 1 b, fig. 12, on a Molossm, in China. 
NYCTERIBIIDiE. 
Polyctenes, g. n., Westw. & Giglioli, 1. c. p. 26. Head large, rounded in 
front, with a 3-jointed organ (antenna?) on each side, directed backwards; 
prothorax separated by a constriction, bordered behind by a row of large 
spines. Sp. Polyctenes molossus, Westw. & Giglioli, 1. c. p. 26, pi. 1 b. figs. 13 
& 14, on a Molossus, in China. 
1864. [vol. I.] 2 o 
