10 
Psyche 
[March 
na mainly black. Reddish yellow on third segment medially 
and on the first segment. First antennal segment four 
times as long as wide. Second segment nearly twice as 
long as first. Third segment about three-fourths as long 
as second. Arista three segmented, without lateral process 
on the second segment. Proboscis nearly twice as long as 
head; black, with yellow on apical ventral half. 
Thorax black. Gold pollinose faintly on dorsum, with 
distinct areas medial to the humeri, at base of wings, and 
at the scutellum. Pleura with distinct yellow pollinose 
stripe. Legs brownish yellow, partly black on coxae, apical 
tarsal segments, and most of claws. Wings yellowish 
hyaline, with brownish yellow pattern between first vein 
and third vein and vena spuria. Yellow in costal, sub- 
costal, and first basal cells. Calypters and halteres brown- 
ish yellow. 
Abdomen black, yellow at fused junction of second and 
third segments. Apical margin of third segment, fourth, 
fifth, and sixth segments yellow pollinose, more distinct 
at distal margin. The hairs on the third to sixth segments 
more distinct than usual. Theca and genital segments 
shining black. Subapical genital segment mainly reddish. 
Theca as long as wide, and relatively thin. 
Size: 14% mm. (without antenna). 
Paratype $ : same data, Dec. 1952. 
Similar to the holotype. Posterior femora darker at 
basal half. Theca yellowish anteriorly. 
Size: 15% mm. 
This species keys to Physoconops gracilior (Camras, 
1955, Proc. U. S. N. M., 105:186) but differs in the color 
of the vertex, facial grooves, cheeks, etc., in addition to 
the generic difference. 
Conops (Diconops) geminatus, sp. nov. 
Holotype $ : Peru: Monson Valley, Tingo Maria, Dec. 
11, 1954, E. I. Schlinger and E. S. Ross (California Acad- 
emy of Sciences, San Francisco). 
Vertex yellow, black on each side forming a velvety 
black triangular mark on each side of the front with the 
black “T” pattern of the front. Remainder of front, face, 
