330 
J. R. MALLOCH. 
24. Agromyza Sauteri n. sp. 
Male: Black, subopaque, abdomen slightly more shining than the 
thorax. Wings slightly brownish, veins very distinet, slightly thickened, 
fuscous black. Squamæ, their fringes, and the halteres black-brown. 
Frons at vertex over one half the head width, slightly narrowed 
anteriorly ; orbits broad, each over one third the width of center stripe, 
distinct, 4 pairs of hair-like orbitals present (on one side 5) which do not 
decrease much in size anteriorly, and are with the exception of the upper 
pair incurved ; hairs on orbits distinct and rather long ; frontal triangle 
poorly defined, subtriangular ; antennæ below the normal in size, upper 
margin of basal joint above middle of profile, third joint rounded; arista 
thickened on its basal third, almost bare, its entire length about 2 y 2 times 
as long as antenna, and equal to anterior breadth of frons ; face receding 
frons buccate, very distinctly visible on its entire length above eyes when 
viewed laterally; cheek about one fifth the eye height, marginal hairs 
distinct, vibrissa differentiated. Mesonotum with 2 pairs of dorso-centrals, 
which are subequal in length ; disc with rather long setulæ, which do not 
extend much beyond the transverse line of the anterior dorso-centrals. 
Abdomen subovate, surface with numerous hairs ; hypopygium normal. 
Legs normal ; mid tibia with the posterior bristles present, but weak. Inner 
cross vein at just beyond end of first vein and at one third from apex of 
discal cell ; last section of fourth vein 5 times as long as penultimate section ; 
last section of fifth vein subequal with penultimate section ; sixth vein 
reaching three-fourths of the length to wing margin. 
Length : 2'5 mm. 
Type : Chip-Chip, February. 
25. Agromyza subfusca n. sp. 
Male: Black, shining, abdomen glossy. Frons opaque, triangle not 
glossy, barely shining. Legs shining black, fore tarsi brownish. Wings 
slightly grayish, veins thick, fuscous black. Squamæ pale brown, fringes 
brown. Halteres with black knob and pale stem. 
Frons at vertex over one third the width of head, slightly narrowed 
anteriorly; orbits barely differentiated, opaque except at bases of the 
bristlés ; 4 pairs of orbitals present, the 2 upper pairs strong, the 2 lower 
pairs weaker and incurved ; orbital hairs sparse and short ; frontal triangle 
elongate, reaching to slightly beyond middle of frons ; viewed from the 
side the frons is narrowly visible above the eyes ; antennæ small, inserted 
at middle of profile, third joint rounded; arista swollen at base, slightly 
