igo4] JOHNSON: — FOUR NEW DIPTERA 1 9 



Resembles A. calceata Loew, but the shape of the third antennal joint, and 

 long, narrow abdomen without whitish bloom, distinguish this species. Dedicated 

 to Prof. J. M. Aldrich, who has done so much to further our knowledge of the 

 Dolichopodidae. 



Platypeza (Calotarsa) ornatipes Townsend. 



Calotarsa ornatipes Town., Can. Entom. XXVI, 50, 102 ; Platypeza ornatipes 

 Banks, /. c. p. 2>^\ Coquillett, /. c. 102 ; Williston, /. c. p. 116; Snow, Kans. Univ. 

 Quar. Ill, 143, 207 ; Johnson, Ent. News, VIII, 254. 



Among some Diptera collected by Mr. Owen Bryant on board the schooner 

 " Sunshine" five miles east of the Isles of Shoals, Sept. 5, 1903, were thirteen speci- 

 mens of this interesting species. Only the $ is known, and readily recognized by 

 its remarkably exaggerated and elaborate hind tarsi. Later (Oct. i.) I secured 

 one specimen on the window of the Museum of the Boston Society of Natural His- 

 tory. Described from Illinois, and later recorded from Ithaca, N. Y.; Brookings, 

 S. D., and North Mt., Pa., Sept. 3, 1897 ; this is the first New England record. 



Mr. Bryant also captured on the schooner, associated with the above species, 

 Platypeza pallipes Loew, P. obscura Lw. and P. velutina Lw. Strong westerly 

 winds prior to that date had undoubtedly blown them from the mainland. 



On Sept. 24, four specimens of Platypeza pallipes were taken on the windows 

 of the Museum ; two specimens of P. obscura at Auburndale, Mass., Sept. 13, and 

 several specimens of P. velutina at Dedham, Cohasset and Auburndale, Mass., 

 Sept. 4-20. The latter species has been bred by Prof. Roland Thaxter from 

 Agaricus campestris. The pupa is flat, oval, with jointed thread-like processes on 

 the sides of the segments ; the larva is probably very similar. 



Alophora magnapennis sp. nov. 



9 . Face and front whitish, with white pubescence ; vertex and a lunate spot 

 above the base of the antennae brown, from the ends of the latter a brown line 

 extends half way down the face ; vibrissae black; antennae brown. Thorax black, 

 prothorax with yellowish pubescence, divided by four black lines (the remainder 

 of the thorax too much disfigured to describe). Abdomen bright red, covered with 

 fine black hairs which are longer on the sides ; all the segments bear a pollinose 

 lateral margin. Legs reddish, with black hairs, on the under side of the basal half 

 of the femora the hairs are white. Wings very broad, the costa excessively arcuate, 

 grayish hyaline with dark brown covering the following portions : — the costal cells 

 except a small triangle just before the tip of the first longitudinal vein, outer two- 



