18 PROCEEDINGS OF THE NATIONAL MUSEUM vol.74 



tarsus white, basitarsus with a more or less distinct dark subbasal 

 annulus, apical joint red. 



Male. — Much ^ike female but antennae slightly longer than body 

 and with annulus centering about on flagellar joint 14 or 15 and 

 scape entirely white below; face entirely, clypeus and mandibles 

 except apex whitish; seventh tergite also white at apex. 



The type is from Pennsylvania and that of leueocoxus from Mis- 

 souri. The other United States National Museum specimens are as 

 follows: A female, Castje Rock, Pa., September 7, 1901; a male, 

 Lyme, Conn., May 18, 1918, W. S. Fisher; five females. Cabin John, 

 Md., July 1-August 21, R. M. Fonts; a female. Glen Echo, Md., 

 September 17, 1918, R. M. Fonts; a female, Virginia, August 5, 1883, 

 T. Pergande; a female, Wooster, Ohio, June 1, 1897; one male, 

 Urbana, 111., July 15, 1893, Hugo Kahl; and a female. Cadet, Mo., 

 J. G. Barlow. 



LISTROGNATHUS ALBOMACULATUS RUFITIBIALIS, new variety 



Female and Triale. — A southern variety extending as far north on 

 the Atlantic Coast as New Jersey. Differing from all other varieties 

 in its red hind tibia and basitarsus and from all but multimaculatus 

 in the white maculate lower division of metapleurum. The yellow 

 marldngs are somewhat more extensive than in the typical form ; in 

 the female the median facial spot is usually confluent with the orbital 

 ring. 



Type-locality. — Plummer Island, Md. 



Allotype-locdlity. — Heckton Mills, Pa. 



Type.—Q2it. No. 40582, U.S.N.M. 



Described from three females and seven males, the type taken 

 July 21, 1920, by H. S. Barber and the allotype June 6, 1909, by W. S. 

 Fisher; a male with same data as allotype except May 21, 1909; a 

 female, Lucaston, N. J., August 27, 1905 ; a male, Pyziton, Ala., H. H. 

 Smith; two males, Dallas, Tex, April 8, 1906, F. C. Bishopp, and 

 March 6, 1907, R. A. Cushman; two males, Piano, Tex., October and 

 November, E. S. Tucker; and one female, Lawrence, Kans., Hugo 

 Kahl. 



LISTROGNATHUS ALBOMACULATUS MULTIMACULATUS, new rariety 



Female. — Differs from the typical form in the possession of a large 

 white spot on lower division of metapleurum ; in the generally some- 

 what larger spots, especially noticeable on the face, where the median 

 spot is usually confluent with the orbital markings; orbital ring 

 sometimes complete; hind tibia black at apex, this color grading off 

 to fuscous red toward base ; hind basitarsus entirely white. 



Type-locality. — Carlisle Junction, Pennsylvania. 



Type.— C2it. No. 40583, U.S.N.M. 



