SARCOPHAGA AND ALLIES 167 



miscellaneous lot of puparia which were received 

 from Em-ape in 1908. Our records show that one 

 specimen of this species was collected at North Sau- 

 gus, Mass., Sept. 29, 1909, near the temporary lab- 

 oratory that we maintained there during the summer 

 of that year, and that a single specimen was collected 

 in the field at Lunenburg, Mass., July 14, 1914. The 

 determination of these specimens was by Mr. R. R. 

 rarker."— A. F. Burgess, letter, Feb. 8, 1916. 



Type. — I^ocation of type unknown to the writer. 



No. 77. Sarcophaga aldrichi Park. 

 Parker, Jour. Econ. Ent., ix, 438, 19 16. 



Male. Front .246 of head (average of five. — 

 .195, .202, .207, .209, .217); frontal stripe brown, 

 rather wide ; paraf rentals and paraf acials silvery, the 

 latter with the usual row of small hairs, the lowest 

 ones coarse; frontal bristles about 12 in number, 

 moderately large, widely divergent below, reaching 

 to about the first third of the second antennal joint; 

 facial imj^ression brown, rather conspicuous; vibris- 

 sfe at oral margin; facialia w^itli rather distinct, erect 

 hairs reaching more than halfway to the base of the 

 antennae; antennfe black; third joint fully twice the 

 second, reaching four-fifths of the way to the vibris- 

 sse; arista with the usual plumosity for three-fifths of 

 its length; bucca fully one-fourth the eyeheight; palpi 

 and proboscis black; back of head with four rows of 

 black hairs and considerable pale beard; outer ver- 

 tical bristles not longer than adjacent hairs, which 

 are better developed than usual; ocellars rather 

 strong. 



Thorax gray pollinose, with the usual 3 to 5 

 ])lack stripes; ps dc four, the anterior two of these 

 slightly smaller; ant acr slender, one pair just be- 

 fore the sutui-e well developed; prsc long but rather 

 slender; stpl three; scutellum with two pairs of mar- 

 ginals, one preapical and one apical; all the hairs of 

 the mesonotum are ratlier slender and erect. 



