438 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 9 



as stock feed, as the pile of fodder would undoubtedly serve as a hi- 

 bernating place for these insects. Probably the most advisable pro- 

 cedure would be to cut the corn with as short a stubble as possible 

 immediately after gathering the crop and burn it in wind rows in the 

 infested fields. Then fall plow the field, plowing as close to the fences 

 as possible to destroy possible hibernation quarters. 



SARCOPHAGID^ OF NEW ENGLAND : GENUS SARCOPHAGA 



By R. R. Parker 

 Sarcophaga aldrichi, n. sp. 



Type cf : Massachusetts Agricultural College. 



Paratypes (cf): Massachusetts Agricultural College, one; United 

 States National Museum, two (No. 19165); Boston Society of Natural 

 History, one; Gypsy Moth Parasite Laboratory, Melrose Highlands, 

 Mass., three; collection of Dr. J. M. Aldrich, one; collection of author, 

 one. 



(cf ) Vestitiire of both thorax and abdomen hairy throughout; only presutural pair 

 of anterior acrostichals present, weak; anterior femiu* with but two rows of bristles, 

 an upper and a lower, or, if present, bristles of intermediate row are very slender 

 and hair-like; posterior face of posterior tibia with a row of scattered long hairs on 

 distal half; second genital segment black or blackish. 



Length. — 8| to 11 5 mm. 



Head. — Viewed from side parafrontals and gena) with dark reflections, transverse 

 impression sometimes with a reddish tinge. Breadth of front at narrowest part about 

 one half eye width; cheek height approximately one half that of eye. Front promi- 

 nent; sides of frontal vitta converging backward by straight lines, rarely parallel. 

 Second antennal segment dark; third about twice length of second; arista plumose 

 on basal half or slightly more. Back of head somewhat convex with three or four 

 rows of black ciha beliind eyes, otherwise clothed with yellowish white or whitish 

 hair that completely covers metacephalon. Cheeks clothed with black hair. Gense 

 clothed with scattered hairs. Palpi dark. 



Chcetotaxy. — Lateral verticals absent; vibrissse sometimes inserted on line of oral 

 margin, but usually very slightly above. 



Thorax. — Metanotum clothed with fine, erect hair that is sometimes quite long. 

 Hairs covering anterior spiracle dark basally, lighter toward tips; those of anterior 

 margin of posterior spiracle dark brown; those of spiracular cover brownish with 

 yellowish tips. Epaulets dark. 



Wings. — Bend of fourth vein normally a right angle; anterior cross-vein more basal 

 than end of first longitudinal; third vein bristly; costal spine vestigial; section III 

 of costa slightly greater than section V; alula? fringed with hairs; calypters whitish, 

 margins fringed with whitish or slightly yellowish hairs. 



1 Contribution from the Entomological Laboratory of the Massachusetts Agricul- 

 tural College. 



