220 PROCEEDINGS OF TEE NATIONAL MUSEUM. vol.43. 



hind tibiae, base of hind basitarsis black. Wings hyaline, somewhat 

 dusky; venation including stigma black. 



In the paratype the spot on the mesepisternum is larger. 



Harrisburg, Pennsylvania. One female collected by P. R. Myers, 

 June 13, 1908 (type). Highspire, Pennsylvania. One female col- 

 lected by W. S. Fisher, June 23, 1908. 



Type.— C&t. No. 14570, U.S.N.M. 



MACROPHYA EXTERNIFORMIS, new species. 



Differs from Maeroj^hya externa in having the emargination of the 

 clypeus narrower, and more uniformly arcuate, and in shorter, 

 stouter antennae. 



Female. — Length 8 mm. Labrum truncate, long, narrowing 

 anteriorly; clypeus narrowly, deeply, arcuately emarginate; lobes 

 triangular, rounded; supraclypeal area flat, shiny; middle fovea 

 indicated by a glabrous spot; antennal furrows obsolete; postocellar 

 line slightly shorter than the ocelloccipital; front closely confluently 

 punctured; head behind the supraorbital line shining with scattered 

 punctures; antennae short, stout, of uniform thickness; the third 

 joint but little shorter than the fourth and fifth combined; prescutum 

 finely granular in the middle, punctate laterally; in the middle the 

 punctures rather large; scutellum with large, distinct, separate 

 punctures; stigma slightly broader basally, obliquely truncate 

 apically; third cubital cell distinctly shorter than second on radius; 

 sheath narrow, broadly rounded apically. Black; labrum, apex of 

 clypeus, spot on mandibles, a small spot on posterior margm of propo- 

 deum, the four anterior tibiae and tarsi beneath, spot on posterior 

 tibiae externally, all the trochanters, more or less, yellow; wings 

 hyaline, apex dusky, venation dark brown. 



Dane County, Wisconsin. One female collected June 20, 1900. 



Type.— C&t. No. 14754, U.S.N.M. 



MACROPHYA NEBRASKENSIS, new name. 



Macrophya samhuci Rohwer, Can. Ent., vol. 41, 1909, p. 15; not (Tenthredo) 

 Macrophya samhuci Latreille, Hist. Nat. Ins., vol. 13, 1805, p. 131, or 

 {Allantus) Macrophya samhuci Scudder, Corresp. of Harris, 1869, p. 269. 



MACROPHYA LINEATANA, new species. 



Female. — Length 8 mm. DiiTers from lineata Norton in the follow- 

 ing characters: Scape pale in front; stigma but slightly broader 

 basally and truncate apically; intermediate femora entirely pale, 

 hind tarsi black. 



Virginia; Newington, Fairfax County. Female, May 30, 1911 

 (type); East Falls Church, May 13, 1911, female; Chain Bridge, June 

 14, female. Above collected by S. A. Rohwer. Kansas, Lincoln, 



