188 
Psyche 
[June 
Therion Curtis, with several undescribed Argentine species, is 
the only other genus of Theriini currently known from the Neo- 
tropics. It differs from Stangepelma in having two mid tibial 
spurs, an incomplete postpectal carina, and hind tarsal claws 
curved at less than 90 degrees. 
Generic name: For Dr. Lionel A. Stange of the Instituto Miguel 
Lillo, who collected the holotype of Stangepelma argentinum. 
Stangepelma argentinum, new species 
Holotype: female, ARGENTINA (Salta: 1 km. Oe. Aguas 
Blancas, 11 August 1976, L. A. Strange, C. C. Porter). (Tucuman). 
Paratype: male, ARGENTINA (Corrientes: Las Marias, ca. Gdor. 
Virasoro, 7 November 1971, C. Porter). (Porter). 
Female: Color: antenna black with a yellow blotch on scape 
below; head and mesosoma shining black with yellow on basal 
2/3 of mandible, labrum, clypeus, face, frontal orbit to slightly 
above antennal socket, for a short distance on vertical orbit, on 
most of temporal orbit (becoming very narrow above), broadly 
on lateral swellings of scutellum, briefly on base on tegula, and on 
most of subalarum; first gastric segment shining piceous black; 
second segment shining piceous black on tergite and brownish 
yellow on sternite; and succeeding segments shining pale brown, 
becoming more or less dusky dorsad and more yellowish ventrad; 
fore leg pale yellow with considerable light brown on apical 2/3 
of femur, especially below, a little brown on base of tibia, brown 
on much of third tarsomere, and dark brown on tarsomeres 4-5; 
mid leg pale yellow with dark brown, becoming more yellowish 
anteriad, on about apical 2/5 of femur, a little brown on base and 
apex of tibia, and dark brown on tarsomeres 2-5 and tip of 1; hind 
leg with coxa shining black above and yellow below; trochanter, 
trochantellus, and femur shining black with yellow below on 
extreme base of trochanter, yellow grading apically into brown- 
ish below on trochantellus, a little piceous below on basal half of 
femur, and tibia and tarsus dull black with yellow on sub-basal 
1 / 5 of tibia below; wings hyaline with a slight brownish tinge and 
the stigma dark brown except for a small whitish area at base. 
Length of fore wing: 8.1 mm. Flagellum: elongate and prac- 
tically filiform, first segment 5.0 as long as deep at apex, second 
segment 2.1 as long as deep at apex. Face: 1.4 as high as wide at 
