386 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.46. 



has in addition two smooth, conical projections where its posterior 

 face joins the superior face. In the Mesostenini its nearest relative 

 appears to be Christolia BruRe. Spiracles of the first, abdominal 

 segment nearer to each other than to the apex. 



ZAMASTRUS PHOTOPSIS, new species. 



Type-locality. — Sapucay, Asuncion, Paraguay, January 12, 1905, 

 J. D. Anisits. 



Type. — Konigliche Zoologische Museum, Berhn. 



Female. — Length 9 mm.; reddish brown and granular; head mostly 

 black, front with a broad whitish margin along the eye margin, scape, 

 pedicel, and clypeus brownish stramineous; malar space, labrum, and 

 mandibles mostly whitish, the latter blackish at the tips, palpi pale 

 stramineous, fourth to eighth joints of the flagel whitish above, rest 

 of the flagel black; upper edge of the pronotumwith a whitish margin, 

 tegulse anteriorly and the upper edge of the mesopleurae whitish, rest 

 of tegulae brownish, fore coxse pale stramineous as are the fore tro- 

 chanters, femora, and tibiae except for the blackish cast on the upper 

 surfaces of these parts which is so arranged as to make the tibiae 

 appear as though they had a pale stramineous band at their base, 

 fore tarsi mostly pale to dark brown, mid legs colored in much the 

 same way as the fore legs, hind coxae, trochanters, and femora mostly 

 almost concolorous with the thorax, hind tibiae and tarsi colored in 

 much the same way as the same parts in the mid legs; propodeal 

 spines yellowish and directed backward and outward; abdomen 

 brownish stamineous and more or less finely sculptured and sericeous, 

 the apical angles of the postpetiole and second, dorsal abdominal 

 segment yellowish, the latter stramineous, apical margin of the third, 

 sixth, and seventh dorsal segments more or less yellowish, basal 

 lateral angles of the second and third dorsal segments black or black- 

 ish, apical margin of the fifth and most of the sixth, dorsal segments 

 blackish, apical, dorsal segment black with a yellowish apical edge, 

 sheaths of the ovipositor approximately as long as the first abdominal 

 segment. 



