162 PROCEEDINGS OF THE NATIONAL MUSEUM. tol.48. 



length of the postmarginal; legs normal; abdomen conic-ovate, not 

 wider than the thorax, its first dorsal segment comprising about one- 

 fourth of its total length. 



Type of the genus. — Trimeromicrus maculatus, new species. 



TRIMEROMICRUS MACULATUS, new species. 



Female. — Length, 1.25 to 1.8 mm. Head and thorax closely punc- 

 tate, the punctures of the vertex finer than those of the face, punc- 

 tures on the mesoscutum before the base of the scutellum larger than 

 elsewhere on the thorax; propodeum shining, with very faint reticu- 

 lations, the median carina distinct and the lateral folds terminating 

 basally in a broad deep fovea; abdomen with the first dorsal segment 

 smooth, segments 2, 3, and 4 laterally and nearly all of 5 and 6 with 

 faint reticulate lines. Head aeneous, the face more or less purplish or 

 blackish in some lights; antennal scape pale, the pedicel and flagellum 

 brownish testaceous, thorax black, tinged with aeneous, with four 

 metallic blue-green or bright aeneous spots on the mesoscutum, one 

 anteriorly on each side of the median line and another on the scapulae; 

 base of the scutellum and axillae also often tinged with metallic; pro- 

 podeum green or brassy; wings hyaline, the venation pale, apex of 

 the submarginal vein and the stigmal knob usually darker; all coxae, 

 trochanters, and femorae blaGk; tibiae variable, brownish to black 

 with the bases and apices yellow, the front tibiae often wholly yellow; 

 all tarsi except the apical joint yellow; first dorsal abdominal segment 

 brassy-green, the following segments green, broadly bordered apically 

 with purplish black. 



Male. — Antennal pedicel a little shorter than the first funicle joint; 

 head and thorax aeneous, the latter without differentiated spots on 

 the mesoscutum; marginal vein slightly shorter than the postmar- 

 ginal; legs variable in color, sometimes entirely reddish-yellow except 

 the coxae but more frequently with the femorae more or less brownish, 

 and often with 9,11 the femorae brown and the tibiae brownish, the apices 

 of tibiae and the tarsi always reddish-yellow; abdomen ovate, the 

 dorsal segments beyond the first greenish-black without black apical 

 bands. Otherwise like the female. 



Type-locality. — Yuma, Arizona. 



Type.— Cat. No. 18332, U.S.N.M. 



Many specimens from the type-locality reared by T. D. Urbahns 

 from alfalfa seed-pods infested with Brucophagus funebris, and 

 recorded under Webster No. 7202, Bureau of Entomology, United 

 States Department of Agriculture. 



EUPTEROMALUS SARCOPHAGAE, new species. 



Female. — Length, 1.9 mm. Dark green to somewhat aeneous ; scape 

 and legs excepting coxae reddish-yellow, apical tarsal joint brown; 

 head and thorax with close thimble-like punctures; abdomen smooth 

 conic-ovate. 



