20 Psyche [Voi. 93 
Key to the South American Species of Compsocryptus 
1. Fore wing yellow with 2 narrow brown cross bands and with 
brown on apex; 2nd abscissa of radius 0.9- 1.0 as long as 1st 
intercubitus; female mesopleuron usually with some strong 
longitudinal wrinkling 
1 . C. fuscofasciatus (Brulle) 
1'. Fore wing dark brown with a broad median yellow cross band 
and a large subapical yellow blotch; 2nd abscissa of radius 
1.2- 1.5 as long as 1st intercubitus; female mesopleuron with- 
out any longitudinal wrinkling, almost uniformly puncto- 
reticulate 2. C. melanostigma (Brulle) 
1 . Compsocryptus fuscofasciatus (Brulle) 
(Fig. 2, 3, 4) 
Cryptus fusco-fasciatus Brulle, 1846. In Lepeletier: Histoire naturelle des insectes. 
Hymenopteres 4:194. Holotype Peru, Lima (lost). 
Callicryptus ornatipennis Cameron, 1902. Trans. Amer. Ent. Soc. 28:372. Holotype 
$: Peru, Callao (London). 
Female. Color: antenna ferruginous on scape and pedicel, yel- 
lowish ferruginous on 1st (sometimes also 2nd and 3rd) flagello- 
mere, mostly yellow on flagellomeres 2, 3 or 4-9, brown and yellow 
on flagellomeres 10-11 or 12, and black or brownish black beyond 
12th or 13th flagellomere; head ferruginous with black on apex of 
mandible; palpi dull ferruginous; mesosoma ferruginous with 
inconspicuous dusky staining on some margins and sutures or some- 
times with rather extensive black markings (as described for male); 
gaster dull ferruginous with faint dusky staining on 2nd and follow- 
ing tergites or occasionally with better defined black areas toward 
base on 2nd and 3rd tergites; legs ferruginous, duller on tarsi, with 
dusky staining on apical tarsomeres, narrowly on apex of hind tro- 
chantellus and base of hind femur, and with blackish on much of 
hind tibia except toward its paler (sometimes contrastingly flavo- 
ferruginous) base; fore wing light yellow with three brown areas as 
follows: a broad transverse band on most of apical 0.3 of median 
cell, on base of discocubital cell, on apical 0.3 of submedian cell, on 
basal 0.3 of 1st brachial cell, and on adjoining region of anal cell; a 
second brown cross-band covering basal 0.3 of radial cell, apical 0.3 
