Insecutor Inscitiae Menstruus 



Vol, X OCTOBER-DECEMBER, 1922 Nos. 10-12 



NEW SPECIES OF HELOMYZIDAE 



(Dipt era) 



By C. B. D. GARRETT 



Amoebaleria bisetata, new species. 



Male. Color red-yellow-brown, except base of each abdom- 

 inal segment, which is gray-black. Foremost fronto-orbital 

 almost equal to the hind one, two pairs of strong vibrissae, two 

 pairs of prosternal bristles separated, mesopleura with about 7 

 strong bristly hairs up the posterior third, one humeral, four 

 dorso-centrals. Entire head and antennae red-yellow, arista 

 dark brown, pubescent. Three wide rows of hairs below the 

 vibrissae. Dorsum of thorax brownish red-yellow, signs of a 

 gray pruinosity, evenly covered with short thick black hairs. 

 Dorso-centrals arise from dark red-yellow spots ; scutellum with 

 two pairs of bristles. The pin has been run through the ptero- 

 pleura end, everything seen is red-yellow. Propleura one bristle, 

 mesopleura from near the wing base to lower three- fourths two 

 rows of strong bristly hairs, and below the disk one bristly, and 

 7 or 8 villose. Sternopleura two strong bristles on posterior 

 dorsal edge, slightly below these and in front to the mid dorsal 

 line about 6 short hairs. Mid portion bare, sternite part all 

 strong short hairs with a row of 7 bristles in front of the mid 

 coxae. What is seen of the pteropleura is bare. Abdomen red- 

 yellow all the last segment, the others for the basal half or more 

 gray-black. Legs red-yellow, tarsi 4 and 5 gray-black. Wings 

 entirely hyaline, veins brown, costal spines prominent. 



Monotype, male, Teulon, Manitoba, May 31, 1920, from the 

 collection of H. C. Curran, who has been kind enough to allow 

 me to keep the type. 



