OF WASHINGTON. 1 1 



Abdomen ovate, convex above and beneath and not longer than the 

 thorax, the apex pointed, with the ovipositor subexserted, the dorsal 

 segments 1-5 with apical margins emarginated or incised medially. 



This interesting new genus bears a slight resemblance to the 

 Cleonymine genus Heydenia Forster. 



(i) Ooderella smithii n. sp. 



Female. Length 3.5 mm. Head and abdomen black, the face metallic 

 greenish ; scape, prothorax, mesonotum, middle legs and hind legs -within, 

 except coxae, ferruginous ; anterior legs and hind legs outwardly, dark 

 fuscous or fusco-aeneous ; mesosternum aeneous black. Flagellum black, 

 3j times the length of the scape, the pedicel obconical, much shorter than 

 the first joint of the funicle. There is a tuft of silvery hairs on the middle 

 of the mesonotum just in front of the scutellum. another on the anterior 

 margin of the mesopleura and also on the hind coxae. 



Hab. Chapada, Brazil, April. (H. H. Smith Collection.) 



(4) CHARITOPUS Forster. 



(i) Charitopus schwarzii n. sp. 



Female.' Length 3.5 mm. Elongate, linear, the ovipositor a little 

 longer than the abdomen. Bronze-green, shagreened ; antennae and 

 ovipositor black ; legs, except coxae, brownish-yellow ; middle tarsi, except 

 first joint, tips of hind tibiae and hind tarsi, except basal half of first joint, 

 fuscous. Wings hyaline, the marginal and postmarginal veins very long, 

 the stigmal vein very minute, subsessile. 



Type, No. 3458, U. S. N. M. 



Hab. Biscayne Bay, Florida. (E. A. Schwarz.) 

 This is the only genuine Charitopus yet recognized in our 

 fauna, Charitopus magnificus Ashm. really belonging* to the 

 Cleonyminae and representing a new genus which I call Ptino- 

 bt us. 



(7) RATZEBURGIA Forster. 



(1) Ratzeburgia cyanea n. sp. 



Female. Length 7 mm.; ovipositor 1.5 mm. Wholly cyaneous with 

 slight greenish metallic reflections on mesonotum, mesopleura, apex of 

 first abdominal segment, base of second, and middle of two or three of the 

 following segments; tegulae, knees and tarsi, light brownish. 



Type, No. 3459, U. S. N. M. 

 Hab. Arizona. 



(2) Ratzeburgia coquillettii n. sp. 



Female. Length 4.5 to 5 mm. Head and thorax black ; abdomen above 

 bronzed green ; legs, except coxae and hind femora, brownish-yellow, hind 



