30 PROCEEDINGS OF THE XATIOXAL MUSEUM. vol. 61. 



9. MICROGASTER SCHIZURAE, new species. 



Closel}^ resembles facetosus, but differs from that species in having 

 the mesonotum, propodeiim, and two basal abdominal teigites only- 

 weakly punctate and shining. 



Female. — Length, 3.5 mm. Face confluently punctate; vertex and 

 temples with but few shallow scattered punctures, and strongly shin- 

 ing ; antennae about as long as the body ; mesoscutum and scutellum 

 with distinct well-separated punctures, shining; mesopleurae highly 

 polished, with only a few weak punctures anteriorly and below; 

 propodeum very weakly punctate, with a prominent median carina 

 and a few irregular rugae at the sides; metapleurae smooth, highly 

 polished; stigma as long as the metacarpus; radius nearly perpen- 

 dicular to the anterior margin of the wing and much longer than the 

 first intercubitus ; posterior coxae large, more than half as long as the 

 thorax, mostly smooth and shining, with a large elongate flattened 

 punctate area on the outer upper edge ; inner spur of middle tibiae a 

 little longer than the middle metatarsus; inner spur of posterior 

 tibiae at least two-thirds as long as the posterior metatarsus; abdomen 

 as long as thorax ; the first tergite broadening somewhat posteriorly, 

 with the posterior angles evenly rounded off ; second tergite transverse, 

 about as long as the third, and provided wdth two nearly parallel 

 longitudinal grooves medially ; the first tergite smooth and polished 

 except at apex, wdiere there are a few^ weak punctures; the second 

 tergite mostly smooth and polished with very few weak scattered 

 punctures; third and following tergites wholly smooth and highly 

 polished ; hypopygium not prominent ; ovipositor sheaths very short, 

 hardly surpassing the apex of the abdomen. Black; labrum, man- 

 dibles, and palpi pale yellow ; antennae testaceous below, brown above ; 

 wings hyaline ; tegulae and wing-bases pale yellow ; veins and stigma 

 light brown, the latter without a pale spot at base ; fore and middle 

 legs wholly pale yellow^ ; posterior coxae varying from black to dark 

 red at apex ; remainder of posterior legs deep testaceous, except the 

 lower edge of the femora, which is somewhat infuscated; abdomen 

 brownish above on the three basal tergites, black beyond ; the lateral 

 membranous margins along the two basal plates, and practically the 

 entire venter, pale testaceous. 



^/aZe.— Essentially as in the female. 



6'ocoo?iS.— Cylindrical, white, with considerable loose silk; ap- 

 parently gregarious. 



Type locality. — Eiley County, Kansas. 



7^2/^e.— Cat. No. 23990, U.S.N.M. 



Hosts.— ScUsura unicornis Smith and Abbot ; S. conc'inna Smith 

 and Abbot. 



Described from the following material in the United States Na- 

 tional Museum; two female specimens labeled "May 19, Eiley Co., 



