146 ENTOMOLOGICAL NEWS. [June, 



Diptera, p. 341; Williston, Trans. Amer. Ent. Soc. xv, p. 270; Biol. Cent.- 

 Amer. Diptera, iii, p. ^y^.^Baccha babista Walker, List, etc., iii, p. 549; 

 Williston, Synopsis, p. 117, pi. iv, fig ^.^=Baccha facia/is Thomson, 

 Eugen. Resa, Ins. p. ^o/^.=^Spazigaster bacchoides Bigot, Ann. Soc. Ent. 

 Fr. 1SS3, p. 326. 



Ocyptamns trigonus Wiedemann, Auss. Zweifl. Ins. ii, p. 125 \_Syrphus\; 

 Schiner, Reise d. Novara, Diptera, p. 346; Williston, Trans. Amer. Ent. 

 Soc. XV, p. 265; Biol. Centr.-Amer. iii, p. -^o.^^Baccha torva Williston. 

 Synopsis, etc., p. 124. Males which seem to be of this species have the 

 wings hyaline. 



VolnceUa pallens Wiedemann, Auss. Zweifl. Ins. ii, p. 204; Williston, 

 Trans. Amer. Ent. Soc. xv, p. 275; Biol. Centr.-Amer. Diptera, iii, p. 53, 

 = Vohicelia sexpunctata Loew, Wien. Ent. Monatschr. v, p. 38; Centur. vi, 

 37; Williston, Synopsis, etc., p. 141, pi. vi, fig. 2. 



Eristalis vinetoram Fabricius, etc. Eristalis thoracica Jaennicke is not 

 a synonym of this species, but of E. obsoleius Wiedemann. 



Eristalis albifrons Wiedemann, Auss. Zweifl. Ins. ii, p. 189; Roeder, 

 Stett. Ent. Zeit. 1885, p. 341; Williston, Trans. Amer. Ent. Soc. xv, p. 

 283; Biol. Centr.-Amer. iii, p. 62.= Eristalis albiceps Macquart, Dipt. 

 Exot. ii, p. 56; \Villiston, Synopsis N. Amer. Syrphidae, p. \']2.^EristaIis 

 senicnius Loew, Centur. vi, p. 63. 



Eristalis scntellaris Fabricius, Syst. Antl. p. 190 \_]\Iilesia\\ Wiedemann, 

 Auss. Zweifl. Ins. ii, p. 159; Macquart, Dipt. Exot. ii, 2, p. 41; Schiner, 

 Novara Exped. p. 364; W^illiston, Trans. Amer. Ent. Soc. xv, p. 279; Biol. 

 Centr.-Amer. iii, p. 62,.^=Palpada scutellata Macquart, Hist. Nat. Dipt, i, 

 p. 513; Dipt. Exot. ii, 2, p. 2,'^ \^Eristalis'].=^Eristalis fasciihorax ^\a.c- 

 quart, Dipt. Exot. 4 Suppl. p. i2,^.=Doliosyrphus sacfel/atus Bigot, Ann. 

 Soc. Ent. Fr. 1883, p. 22i.^Doliosyrphus rileyi Williston, Synopsis, p. 

 178, pi. viii, fig. 8. A wider acquaintance with allied species makes me 

 disinclined to accept the genus Doliosyrphtis Bigot. 



Tropidia albistylom Macquart, is a distinct species, a specimen of which 

 is in the National Museum. 



Xylota elongata Williston, Synopsis, p. 234, is a synonym of X. angus- 

 tiventris Loew. 



NEW JAMAICA TACHINIDyE.-I. 



By C. H. Tyler Townsend. 



The following species was transmitted to me by Mr. Cockerell, 

 Curator of the Museum, with the record that it was taken at 

 Cinchona, Jamaica, a place which is high up in the mountains. 



Psendohystricia exilis n. sp. 9.— Eyes brown, with some bronzy reflec- 

 tions, pubescent; front averaging one-third width of head, frontal vitta 

 blackish, velvety, hardly one-fifth width of front; five posterior pairs of 



