884 
INSECTA, DIPTERA. 
STRATIOMYIIDiE. 
Odoiitomyia arcuata, p. 62, California, pleheia, Connecticut, nigerrima, 
Middle States, p. 53, Loew, I. c, spp. nn. 
Stratiomyia insignisy p. 54, California, constans, p. 55, Texas, id. I. c. 
epp. nn. 
Clitellaria lata, sp. n., id. I. c. p. 55, California. 
Nemotelus glaber, sp. n., id. I. c. p. 56, Texas. 
Hermetia chrysopila, sp. n., id. ibid., Texas. 
XYLOPHAGIDiE. 
Rhachicerus, Hal., Walk., apparently uncharacterized, has the 3rd joint of 
its antennte distinctly annulated, with many more rings in the c? than in 
the $ . Loew, /. c. p. 113. 
Tabanid^. 
Hcematopota pluvialis avoids any thing coloured white. J. Portchinsky, 
Hor. Ent. Ross. viii. Bull. p. xii. 
Chrysops gigantulus, sp. n., Loew, I. c. p. 57, California. 
Leptid^. 
Triptotricha, g. n., Loew, I. e. p. 59. Differs from Leptis in being glabrous, 
with a lesser thorax, wider abdomen, and 4th post, cell closed before the 
margin of the wing. T. lauta, sp. n,, id. ibid., California. 
Atherix varicornisy sp. n., id. I. c. p. 58, California. 
Chrysopila modesta, sp. n., id. ibid., Texas. 
Leptis incisa, sp. n., id. ibid., California. 
THEREVIDiE. 
The specific name of Psilocephala laticornis being preoccupied, is changed 
to platycera : Loew, I. c. p. 114. 
Thereva melanoneura and fucata, spp. nn., id. I. c, p. 74, California. 
Xestomyza planiceps, sp. n., id. I. c. p. 75, California. 
ACROCERID^. 
Oncodes melampusy California, eugonatus, Texas, spp. nn., Loew, I. c. p. 60. 
JSulonchus tristis, sp. n., id. ibid., California. 
BoMBYLIIDiE. 
Anthrax hottentota and pupa figured; ? parasitic on Agrotis porphyrea. 
De lioo van Westmaas, in Snellen v. VoUenboven's continuation of Sepp's 
Ned. Ins. (2) ii. pi. xlii. figs, a & 6, p. 195. 
Aphwbantus, g. n., Loew, /. c. p. 77. Allied to Argyramccba, but with a 
short appendage to 3rd joint of antennas. A. cervinm, sp. n., id. I. c. p. 76, 
Texas. 
Leptuchilus, g. n., id. I. c. p. 78, Differs from Aphoabantm in its 2nd sub- 
margiual coll not being appondiculated, more prominent face, much longer 
oral aperture, ike, L, mudestus, sp. n., id. I. c. p. 77, Texas. 
