NORTH AMERICAN HYMENOPTERA. 187 



SYIVTOMASPIS Forster. 



16. fiiyntoina^piK Iji«<»*«ii<ii Walker. 



17. Sj'iitoiiiaspis Tlieon Walker. 



These two species were described by Mr. Walker under tlie old 

 genus OdUmome ; they belong properly to SynUmmspia. 



To this genus also belong my Od/imome racernarice, C mchinocerce, 

 C. citrlformi^, C. ceiieus, C. eleganimima and C. dryorkizoxeiii. 



18. Syiitoinaspis adveiia O. S. 



This species has been recognized from specimens sent me by INIr. 

 Brodie bred from gall Andricus petiolicola and Andricus vodricosus 

 Bass. It was also described as a Callimome. 



19. Syiitoiiias|»i»$ tiibicola O. S. 



I have reared several specimens of this species from gall Andricus 

 floccl Walsh ; it was described as a Ca/liinoine from oak gall Andricus 

 tubicola O. S. I have reared it also from Andricus fiocci Walsh. 



20. SyiitoinaKpi»« Brodiei n. sp.— '^ ?. Length .1.3-15 inch. Ovip. 

 .12 inch. Differs i)rincipally from Syntomasjiis tubicola O. S., in its much larger 

 size, and in having tips of femora and tibise and tarsi yellowish ; tlie trochanters 

 are occasionally yellow, and the color of the thighs vary from a green to bluish- 

 green ; the pleursE and hind coxaj are also blue ; the tarsi arc paler than the 

 tibiip. The % has the collar, pleura?, pectus and thighs blue and a bluish-green 

 abdomen. 



Hab. — Toronto, Canada. Described from three specimens sent by 

 Mr. Wm. Brodie, of Toronto, Canada, and reared by him from the 

 cyuipidous gall Acraspis pezomachoides O. S. 



21. Syntoiiiaspis dlryoplianta; n. sp.— 9. Length .11 inch. Ovip. 

 .08 inch. This species resembles Sy)itom<ispis tubicola O. S., but differs from it in 

 its much more compressed abdomen, finely, confluently punctured thorax, and 

 red legs and white tarsi. The metapleurfe are violet and contrast most beauti- 

 fully with the surrounding metallic green of the metathorax, mesopleurje and 

 coxae. 



Described from one specimen bred July, 1886, from cyuipidous 

 gall Dnjopluintd catesbcei Ashm. 



22. Syiitoinaspis albihirta n. sp.— 9 . Length .10 inch. Ovip. .03 

 inch. A short, robust, opaque, dull greenish-blue, granulate punctate species, 

 and covered with short white hairs, more especially on abdomen. The antenna! 

 scape is brown, and the flagellum is brown-black. The legs are rufous, with the 

 anterior and middle femora slightly iufuscated, posterior pair bluish, the tips of 

 tarsi brown. The abdomen is broad, submetallic greeu-blue, with the first ab- 

 dominal flap excised in the middle, while the ovipositor is short and stout. 



Described from one specimen taken at large, and very distinct 

 from any otiier in our fauna. 



