1947] 
N emestrinidce 
199 
2: Helotes, Bexar Co., Texas. — M.C.Z. Also 
Texas : Nueces R., Uvalde Co. ; Sabinal R., Uvalde 
Co. Arizona : Post Creek Canyon, Pinaleno Mts., 
Fort Grant, 6,000 ft., Graham Co. 
Hirmophlceba texana Curran, 1934, Fam. Gen. 
North Am. Dipt., p. 202, tigs. 3-4. 
Distr. : Tex., Ariz. Also Panama (Tapia, collected by 
G. Fairchild). 
3 a. H. (H.) texana var. arizonensis Bequaert. 
Hirmoneura ( Hyrmophlceba ) texana var. arizonen- 
sis Bequaert, 1934, Jl. New York Ent. Soc., XLII, 
p. 180 (holotype San Diego Canyon, Baboqui- 
vari Mts., 25 miles SE of Sells, Pima Co., Ari- 
zona. — Painter Coll. ; allotype 2 : Baboquivari 
Mts., Pima Co., Arizona. — Kansas Un.). 
Additional Record . — Arizona : Tucson, many 2 <?, Sep- 
tember 3 (F. M. Carpenter). 
Distr. : Ariz. 
Subfamily Nemestkinin^e 
Rhynchocephalina H. Loew, 1860, Abh. Naturw. Ver. 
Halle, II, pt. 2, p. x (Dipteren-Fauna Siidafrikas, I, 
p. x). 
Nemestrininae Bequaert, 1930, Psyche, XXXVII, p. 286. 
N eorhynchocephalus Lichtwardt 
N eorhynchocephalus Lichtwardt, 1909 (July), Deutsch. 
Ent. Zeitschr., p. 512 (for 2 species; type by designa- 
tion of Bequaert, 1930 : Rhynchocephalus volaticus 
Williston, 1883). 
Rhynchocephalus subg. Nemestrinopsis Cockerell, 1910, 
Bull. Amer. Mus. Nat. Hist., XXVIII, p. 285 (type by 
original designation: Rhynchocephalus volaticus Wil- 
liston, 1883). 
1. N. sackenii (Williston). 
Rhynchocephalus sackenii Williston, 1860, Trans. 
Conn. Ac. Sci., IV, p. 243, tig. (holotype 2: 
Olympia, State of Washington. — Kansas Un.). 
Hine, 1904, Canad. Entom., XXXVI, pp. 86 and 
