34 PEOCEEDINGS Or THE NATIONAL MUSEUM VOL. 73 



and fourth segments with golden pollen except on the apical fourth; 

 the black hind margin becomes a little narrower underneath; first 

 and second abdominal segments each with a single pair of median 

 marginal bristles; third and fourth with a marginal row. Genitalia 

 rather small, the outer forceps rather narrow at base and broad at tip. 



Legs black, front pulvilli elongated, equal to the last two tarsal 

 joints. The hind tibia on outer side with about eight irregular sloping 

 bristles and next to them on the hind edge some sloping hairs. 



Wings brown; calypters very pale brown, appearing nearly white 

 at first glance. 



Length, 11 mm. 



Female. — Front 0.36-0.37 of the head width, the parafrontals with- 

 out yellow pollen, but rather dark and semishining. Antennae 

 tending toward reddish. 



Length, 12 mm. 



Described from 54 specimens of both sexes; the principal series, 

 consisting of 24 males and 4 females (including type and allotype), 

 was collected by C. H. T. Townsend between July 29 and August 1 

 at Oak Grove, Va., on flowers of carrot; 2 specimens, male and female, 

 were reared from Cither onia regalis by Riley on July 17 and September 

 17, 1873, the first being mentioned by Coquillett under hifasciata on 

 page 10 of his Revision of the Tachinidae; in the Aldrich collection 

 are 4 specimens, 3 from Pennsylvania originally collected by C. W. 

 Johnson, 1 of which is labeled "from chrysalis of Eacles imperialis 

 6/9/1891"; the fourth specimen collected at Lafayette, Ind. Re- 

 cently received from C W. Johnson for identification are two speci- 

 mens, one male from Clementon, N. J., August 29, 1919, the other a 

 female from Bainbridge, Ga. (J. C. Bradley). From Walton's collec- 

 tion are two males and one female, one male from Hertford, N. C, the 

 other two from Catawissa, Pa., reared from Eacles imperialis from the 

 same larva. These are Nos. 1 , 2, and 4 of the analytical table published 

 by Walton,^ where they are included under hifasciata; two females 

 from H. W. Allen, one collected at Mount Laurel, N. J., by L. B. Par- 

 ker, the other collected at Palmyra, N. J., September 10, 1924, by R. 

 J. and N. B. Sim; two females from Clemson College, S. C, Septem- 

 ber 23, 1908 (F. Conradi), received from J. O. Pepper; three males 

 from the American Museum of Natural History, one collected by 

 Mrs. A. T. Slosson at Lake Toxaway, N. C, one collected in New 

 York, reared from Eacles imperialis by Hy. Edwards, the third from 

 Newark, N. J., July, 1923; one from Wauseon, Ohio, sent by Prof. J. 

 S. Hine; one male. Falls Church, Va., reared by C. T. Greene from 

 large lepidopterous pupa (Hop. 14802 F) ; three males, Black Moun- 

 tain, N. C, reared from Ceratomia amyntor on May 23, 1923, by Carlo 

 Zeimet; one male, near Peaks of Otter above 3,000 feet, collected by 



" Proc. Ent. Soc. Wash., vol. 15, 1913, p. 27. 



