SARCOPHAGA AND ALLIES 167 



miscellaneous lot of piiparia which were received 

 from Europe 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. 

 Tarker."— A. F. Burgess, letter, Feb. 8* 1916. 



Type. — Location of type unknown to the writer. 



No. 77. Sarcophaga aldrichi Park. 

 Parker, Jour. Econ. Ent., ix, 438, 1916. 

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

 .19.5, .202, .207, .209, .217) ; frontal stripe brown, 

 rather wide; parafrontals and parafacials 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 impression brown, rather conspicuous; vibris- 

 sse at oral margin; facialia with rather distinct, erect 

 hairs reaching more than halfway to the base of the 

 antennae; antenna? black; third joint fully twice the 

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

 sa ; 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 

 black stripes; ps dc four, the anterior two of these 

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

 fore the suture 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 rather slender and erect. 



