V0 188^ n 'J PROCEEDINGS OF THE NATIONAL MUSEUM. 431 



Limneria nigricincta sp. nov. 



Female. — Length, 3.8 mm ; ovipositor, 1.4 mm . Black; head and thorax 

 densely continently punctate; mandibles and palpi, pale; antenna? 

 black; the anteunal tubercles and the suture between the second and 

 third joints, pale; tegular white; legs ferruginous; all coxae and the 

 first joint of hind trochanters, black; the posterior femora with a dusky 

 spot at base and their tibiae with a black ring at base and apex. Meta- 

 thorax sloping posteriorly and distinctly areolated. Abdomen black, 

 alutaceous, pubescent; the ovipositor long, a little more than half the 

 length of the abdomen. Wings hyaline ; stigma and veins pale brown ; 

 the areolet triangular, petiolated. 



The male differs from the female only in having the scape pale 

 beneath. 



Habitat. — Washington, D. C, and North Carolina. 



Described from six specimens, one labeled North Carolina, two reared 

 from a small Tineid on black birch, April 14, 1884, and the others reared 

 March 15, 1884, irom saw-fly larvae on black birch. 



Limneria nolee, sp. nov. 



Male and female.— Length, 6 to 6.5 mm ; ovipositor, 2 mm . Agrees with 

 L. nigricincta, except it is much larger and the posterior legs are entirely 

 rufous, the scape in the male entirely black. 



Habitat. — Los Angeles, Oal. 



Described from two specimens, one male and one female, received 

 from Mr. Albert Koebele, reared during the summer of 1886 from a Nolo, 

 found on willow. 



Limneria erythropus sp. nov. 



Male. — Length, 8 mm . Black ; mandibles, except teeth, and scape and 

 second antennal joint beneath, ferruginous ; palpi, tegulae, and anterior 

 and middle coxae and trochanters, yellowish-white; legs rufous, poste- 

 rior pair dark red, their coxae black. Head and thorax opaque, punct 

 ulate, the face sparsely covered with silvery pile. Metathorax dis- 

 tinctly areolated, sloping behind and somewhat produced at apex. 

 Abdomen compressed toward apex, black; the first three segments 

 densely, finely, opaquely sculptured; the following smoother and shin- 

 ing with a sparse pubescence. Wings hyaline, iridescent; stigma and 

 veins brown; the outer edge of costae and stigma black; areolet trian- 

 gular, petiolated. 



Habitat. — Texas. 



Described from one specimen in Belfrage collection. 



Limneria brachyura, sp. no v. 



Female. — Length, 5 mm . Black; head and thorax closely, conflneutiy 

 punctate; mandibles, except teeth and the scape beneath, ferruginous; 

 antennae brown, blackish at base; palpi and tegulae, white; cheeks 



