234 THE CANADIAN ENTOMOLOGIST. 



Admontia unispinosa, n. sp. — $ . Differs from the $ of kylotomce 

 as follows : Apex of proboscis black. Front slightly wider than either 

 eye, frontals descending only a short distance below base of second 

 antennal joint, antennae four-fifths as long as the face, the third joint 

 from three to four times as long as the second, arista thickened on the 

 basal half, sides of face each one-fifth as wide as the median depression, 

 bearing a single row of bristly hairs, vibrissas at the oral margin. 

 Abdomen bearing only marginal macrochaetge, destitute of spines on the 

 under side. Wings not tinged with yellow along the veins, third vein 

 bearing a single bristle near its base. Length, 4 to 6 mm. Opelousas, 

 La. Eight specimens collected in June, 1897, by Mr. G. R. Pilate, and 

 submitted by Dr. Garry de N. Hough. Type No. 4062, U. S. Nat. 

 Museum. 



Admo?itia tarsalis, n. sp. — $ . Differs from $ oi hylotomcs as follows: 

 Apex of proboscis brown, basal half of antennae yellow. Front one-fifth 

 wider than either eye, antennae as long as the face, the third joint five 

 times as long as the second, sides of face each one-fifth as wide as the 

 median depression, bearing a row of macrochaetae in continuation of the 

 frontal row, vibrissje on a level with front edge of oral margin, ridges 

 bristly on the lower half. Abdomen destitute of spines on under side. 

 Front tarsi toward the apex greatly dilated. Length, 5 to 6 mm. 

 Opelousas, La. Two specimens collected in May and June, 1897, by 

 Mr. G. R. Pilate, and submitted by Dr. Garry de N. Hough. Type No. 

 4063, U. S. Nat. Museum. 



AdmoJitia polita, n. sp. — 9  Differs from the description of Jiylotomce 

 5 as follows : Second joint of antennae yellow, apex of proboscis brown. 

 Frontal bristles descending only slightly below base of second antennal 

 joint, antennae almost as long as the face, the third joint three times as 

 long as the second, sides of face each one-third as wide as the median 

 depression, bearing a row of macrochaetae, vibrissae on a level with front 

 edge of oral margin, only two or three bristles above each. Thorax 

 polished, not pruinose except along the sides, scutellum destitute of a 

 short apical pair of macrochaetae. Abdomen not pruinose on the fourth 

 segment, destitute of spines on the under side, discal macrochaetae some- 

 times wanting. Length, 5 to 7 mm. Oswego, N. Y. (July i and 17, 1897; 

 Prof Chas. S. Sheldon), and Jacksonville, Fla. (Mrs. A. T. Slosson), 

 Seven specimens. 



Dioncea, Desv. (Synonym, Labidigaster, Macq.) — This genus falls 



