BRUES: PARASITIC HYMENOPTERA. 



77 



LlMNERIUM PLENUM, Sp. 110V. (Fig. 57.) 



Female. Length 5.5 mm. Black, the legs brownish testaceous, the tips of 

 the femora, tips of the tibiae and tarsi of posterior pair blackened. Abdomen 

 dark, lighter toward the tip and on the venter; antennae slender, many jointed 

 (about 30-35), the joints toward the middle one-half longer than wide, and 

 only slightly thicker than the apical joints which are distinctly longer than 

 wide. Surface of thorax rougher than usual in the genus; metathorax com- 

 pletely areolated, the basal pleural and second pleural areas completely sepa- 

 rated; basally the metanotum is nearly smooth but apically it is very distinctly 

 rugose-reticulate. Abdomen much shorter and stouter than usual ; first seg- 



Fig. 57. — Limnerium plenum, sp. nov. Type. 



ment short, not so long as the posterior slope of the metathorax; second 

 segment a little shorter than the first; third to sixth about equal in length; 

 terminal segment longer. Ovipositor issuing from the base of the fifth segment, 

 from its extreme base to tip nearly asdong as the abdomen exclusive of the 

 petiole. Wings yellowish hyaline ; stigma fuscous; veins pale brown; stigma 

 rather broad, one-half as wide as the marginal cell; second section of the 

 radius twice as long as the first; areolet small, triangular, distinctly but shortly 

 petiolate above; submedian cell slightly but plainly longer than the median. 



Described from one specimen with its reverse, both quite well 

 preserved, from Station No. 17, collected by Mrs. W. P. Cockerell. 



