16 C.-G. Thomson. — Notes hyménoptérologiques. — Ichneunion. 



74. I. cASTANEus (Grav.). — Abdomen c? subopacum, $ ano immacu- 

 lato ; mesonoto subopaco. 



75. 1. piGTUs (Grav.). — Obs. Mesonotum minus opacum, postpetiolo 

 lalissimo. 



76. I. ALTEREATOR (Wesm.) — Obs. /. castmieo simillimus, abdominc 

 basi tantum riifo, antennis crassioribus, postannello qiiam scapo haiid 

 longiore disccdens. 



77. 1. DELETUs (Wesm.). — Obs. Species etiam in Suecia inventa, cor- 

 pore nigro, mesonoto opaco, notaulis sat longis, scopula parva, abdo- 

 mine apice fere cyaneo-nigro : mas facie cum orc, orbita frontali lata, 

 posteriore abbreviata, linea ante alas tenui sed integris callo infra alas, 

 scutelli convexi dimidio posteriore cum post scutello, pedum anteriorum 

 genubus libiisque substramineis, bis posticis concoloribus , apice late 

 cum tarsis stigmateque nigris. 



Sectio 9. — Caput genis subbuccatis, mandibuUs validis apiceni ver- 

 sus paruîii angustatis, dypeo sat discreto, costa genall fere continua. 

 Antennœ crassse, scapo subcylindrico, apice minus excisa; $ sat longe 

 infra médium orbitœ interioris insertx. Mesonotum haud opacum, no- 

 taulis brevibus; metathorace areola apice haud emarginata, fere qua- 

 drata, costula nulla vel obsoleta, spiraculis haud linearibus. Abdomen 

 segmentis 2-7 rufù-castaneis, i° postpetioli costa laterali supra spiracula 

 ducta, medio punctatissimo, c? strigoso-punctato et pone spiracula pro- 

 minula apicem versus angustato; 2° thyridiis pai^is et obsoletis, gastro- 

 cœlis fere nullis; terebra longa. Pedes validi, ungue curvato cum ungui- 

 culis cr assis. 



Obs. Haec sectio a sectione G*, cui antennarum, capitis abdommis pe- 

 dumque structura simillima, prœcipue al)domiuis terebra longa, fere ut 

 in Microcrypto et petioli forma distinguitur. 



78. I. ALBiLARVATUS (Grav.). — Obs. Hœc species in Suecia etiam 

 inventa, spiraculis metathoracis magnis ovalibus, antennarum annulo c? 

 albo dislincta. 



79. I. Lanius (Grav.). -- Obs. A. prœcedente metathorace spiraculis 

 parvis, area petiolari discreta, parallela, scutelli apice pallido discedens. 



