234 
Psyche 
[September 
margins and sutures, including apical half of clypeus, tinged with 
brown. 
Wings hyaline, very slightly darkened apicad. 
Petiole whitish below and whitish with much brown staining 
above ; postpetiole black ; rest of gaster orange. 
Fore-leg with coxa black with much brown staining and with an 
extensive dorso-lateral white blotch; trochanter whitish with dusky- 
brown staining posteriorly ; trochantellus whitish ; femur whitish with 
an extensive dusky-brown area on much of posterior face except near 
base and apex; tibia whitish; tarsomeres 1-2 whitish and 3-5 black; 
mid-legs with coxa, trochanters, and femur orange, except for a 
longitudinal dusky-brown area situated postero-dorsally on subapical 
half of femur; tibia yellowish; tarsomeres 1-2 yellowish and 3-5 
black with a little yellowish near base of 3 ; hind-legs with coxa, 
trochanters, and femur orange, except that femur has a large black 
dorso-lateral area, which begins very narrowly a little before the 
middle and extends, becoming progressively wider, as far as the apex ; 
tibia yellow with base narrowly black; tarsomeres 1-3 yellow and 
4-5 black. 
Length of fore-wing : 7.8 mm. 
Flagellum: long, rather stout, the basal 2/3 distinctly compressed 
but the apical 1/3 tending to cylindric; first segment 3.8 as long as 
deep at apex. Clypeus : uniformly flat, apical margin straight. Malar 
space: 1.2 as long as basal width of mandible. Temple: 0.2 as long 
as eye in dorsal view; strongly and directly receding. Occipital 
carina: interrupted above on about the median half. 
Wing venation: upper part of nervellus 0.7 as long as lower part. 
Postpetiole : 1.3 as wide apically as long from spiracle to apex. 
Second gastric tergite: smooth and polished with very weak micro- 
reticulation and with numerous small, superficial punctures that in 
general are separated by distinctly more than their diameters and 
which emit short setae for the most part as long as or only a little 
shorter than their interspaces. 
Ovipositor : sheathed portion 0.25 as long as hind-tibia. 
Male : unknown. 
Collections: The holotype has been deposited in the collection 
of the Instituto Miguel Lillo, S.M. de Tucuman, R. Argentina. 
Specific name: This species is named in honor of Sr. Rodolfo 
Golbach, whose tireless fieldwork of several decades has done much 
to make the collection at Tucuman the finest in Latin America. 
Habitat notes: Sr. Golbach reports that he obtained the unique 
female of this species in a small patch of woods near the station of 
