THE TRIBE CHALCIDINI — BURKS 343 



one larger, right mandible with three teeth; diameter of posterior 

 ocellus slightly less than one-half interocellar space. 



Dorsum of thorax shallowly and irregularly punctured, setae in- 

 conspicuous except at ventral margin of mesopraescutum, on lobes of 

 mesoscutum, axillae, and lateral margins of mesoscutellum ; antero- 

 lateral and sublateral angles of pronotum produced and rounded, an- 

 terior dorsal margin acarinate; prepectus blunt at apex, reaching 

 tegula; mesoscutellum with a very narrow, mesaily depressed apical 

 lamina; metacoxae strongly shagreened on outer dorsal surface, 

 slightly less strongly reticulated and setose elsewhere; metafemora 

 stout, minutely reticulated on outer surface, ventral margin with 

 17 to 26 minute teeth, the basal one only slightly larger than follow- 

 ing ones ; inner tooth blunt. 



Propodeum with a very few lateral setae, surface completely cov- 

 ered by small carinae, basolateral areas usually with somewhat irreg- 

 ular, oblique carinae, lateral teeth wanting, spiracular openings 

 slanting laterad; petiole shagi'eened, stout, less than twice as long as 

 wide, basal lamina narrow on dorsal side, distinct lateral carinae 

 present; gaster usually equal in length to metafemora, abdominal 

 segments 3 to 6 almost glabrous on dorsal side, segment 7 faintly retic- 

 ulated ; eighth tergite shagreened, setae short and sparse, spiracular 

 openings oval ; ninth tergite provided with long setae, cerci oval, lo- 

 cated nearer posterior than anterior margin ; penis valve (fig. 14, n) . 



Type locality. — ^Massachusetts. 



Types.— Holotyjie, male, 1781.1 ; allotype, female, 1781.2 : Academy 

 of Natural Sciences of Philadelphia. 



Hosts. — Lema trilineata (Olivier), Lema nigrovittata (Guerin), 

 6*A?a«2.2/5???«V«i^a (Fabricius) (Coleoptera, Chrysomelidae). 



Distribution. — Arizona, Arkansas, California, Colorado, District 

 of Columbia, Florida, Illinois, Iowa, Kansas, Maryland, Massachu- 

 setts, Michigan, Minnesota, Missouri, New Hampshire, New York, 

 Ohio, Texas, Virginia. 



Genus CERATOSMICRA Ashmead 



Ceratosmicra Ashmead, Mem. Carnegie Mus., vol. 1, p. 251, 1904.— Schmiede- 



KNECHT, Genera insectorum, fasc. 97, p. 30, 1909.— Gahan and Fagan, U. S. 



Nat. Mus. Bull. 124, p. 29, 1923. (Genotype, Ceratosmicra lissa, new name 



for Ceratosmicra petiolata Ashmead, not Cresson.) 

 Sayiella Ashmead (not Dall), Mem. Carnegie Mus. vol. 1, p. 251, 1904.— 



ScHMiEDEKNECHT, Genera insectorum, fasc. 97, p. 30, 1909. 

 Eusaym Ashmead (new name for Sayiella), Proc. Ent. Soc. Washington, vol. 6, 



p. 126, 1904.— Gahan and Fagan, U. S. Nat, Mus. Bull. 124, p. 63, 1923. 

 MelanosmicTa Ashmead, Mem. Carnegie Mus., vol. 1, p. 251, 1904.— Schmiede- 



KNECHT, Genera insectorum, fasc. 97, p. 31, 1909.— Gahan and Fagan, U. S. 



Nat. Mus. Bull. 124, p. 84, 1923. 



