Fauna Ottawaensis. 



177 



Subfamily VI. 

 Metaclisis erythropus Ashm. 

 Leptacis flavicornis Ashm. 

 Leptacis striatifrons Ashm ? 

 Polymecus canadensis Ashm. 



Polymecus pallipes Ashm. 

 Polymecus picipes Ashm. 

 Synopeas iiifiscapus Ashm. 



Synopeas sp. 

 Eritrissomerus sp. nov. 

 Polygnotus alnicola Ashm ? 



Polygnotus sp. 

 Polygnotus sp. 

 Platygasler Herrickii Pack. 

 Platygaster obscuripennis Ashm. 

 Platygaster sp. 

 Platygaster sp. 

 Isocybus pallipes Say. 

 Isocybus canadensis Pi-ov. 



PLATVGASTERlN.i£. 



Three males ; Race-course, Aug. 



One male ; Hull, Aug. 



One male, one female ; Powell's Grove, 



June. 

 Three males, two females ; Hull, June. 

 Two females ; May 13. 

 Eight males, eleven females ; Race-course 



and Hull, July and Aug. 

 Five females ; Hull, Aug. = preceding ? 

 Thirteen males and females ; Hull, Aug. 

 Twenty-seven specimens; bred by Mr. 



Fletcher from dipterous galls on 



Muhlenbergia. 

 One male ; Race-course, I Aug. 

 Four snecimens ; from willow-galls. 



Two females ; from willow-galls. 



Several ; from willow- galls. 



Several : from willow-galls. 



One female. 



Both sexes abundant ; May. Several speci- 

 mens seem to indicate a variety, if not 

 a distinct species. 



Subfamily VH. Helorin.'e. 

 Helorus paradoxus /'raz;. Two females ; Kettle Island, Aug. 



Subfamily YIII. Proctotrypin.^. 

 One female. 



Disogmus sp. nov. 

 Proctotrypes rufigaster Fi-ov. 

 Proctotrypes californicus Holmg 

 Proctotrypes flavipes Prov. 

 Proctotrypes abruptus Say. 



Proctotrypes obsoletus Say. 

 Proctotrypes longiceps Ashm. 

 Proctotrypes canadensis Ashm. 



Proctotrypes medius Ashm. 

 Proctotrypes quadriceps Ashm. 



Proctotrypes sp. nov.? 

 Proctotrypes clypeatus Ashm. 



Four males, one female ; Hull, etc. Aug. 



Three females ; Hull, Aug. 



Abundant : Race-course, Kettle Island, 



Hull, Aug. 

 One male. 



Five males, one female ; Race-course, 22 

 Aug. 



Three females ; Race-course and Kettle 



Island, Aug. 

 One" male; Hull, 16 Aug., a large lilack 



species. 



( To he Continued. ) 



Ottawa, Canada, Dec, il 



