Die Hymenopteren-Gattung Gasteriiption Latr. (Foenus iuit.) 



311 



difference visible surtout sur les cötes du pronotum, le male a le troisieme 

 article antenuaire plus long. 



J'en ai pris quelques sujets ä Marseille et l'ai re9ue de Bordeaux, des 

 Landes, des Pyrenees et d'Autriche. 



27. Gasteruption opacum Tourn. 



Foenus opacus Tourn., Ann. Soc. Ent. Belg., T. XX, p. VIII, 9 1877 



9- Long. 11mm. Tariere de la Q aussi longue que tout le corps; ex- 

 tremite des filets qui lui servent de gaine, tachde de blanc. Tete sans fossette 

 pres de son bord posterieur; celui-ci plus ou moins fortement reborde. Tete 

 mate; prothorax et mesothorax coriace's, sans ponctuation, ni rides appreciables. 

 Pattes noires, brunätres par places, mais sans taches blanches. 



9- Peney pres Geneve. 



28. Gasteruption patellatum Westw. 



Foenus patellatus Westw., Trans. Ent. Soc. Lond., n. ser., V. I, p. 221, 1850—51 



Nigrum, capite et lateribus thoracis argenteo-sericeis, mesonoto scdbro, 

 lateribus et scutello magis rufescentibus ; coxis posticis castaneis, tarsorum 

 posticorum articulis duobus basalibus dilatatis. cT- 



Long. corp. 7'", expans. dlar. 9"'. 



Hdb. Nova-Hollandia. 



Caput fere rotundatum, sublaeve, fade inter antennas carinata, argenteo- 

 sericans, postice emarginatum. Mandibulae nigrae, apice piceae. Collare parum 

 elongatum. Thorax supra scaber, antice vix transversim striolatus, lateribus 

 thoracis et metanoto (subtus basin abdominis) magis rufescentibus et valde 

 sericantibus. Abdomen nigrum, lateraliter magis piceum. Pedes 4 antici nigri 

 geniculis piceis, 2 postici coxis laete castaneis; femoribus in medio obscure 

 rufis; tibiis nigris, parum clavatis, tarsorum articulis duobus basalibus dila- 

 tatis depressis älbis, primi basi nigro, tertio mediocri, nigro, basi albo. Älae 

 hyalinae, venis nigris, stigmate fusco. 



29. Gasteruption perplexum Cress. 



Foenus perplexus Cress., Proc. Ent. Soc. Phil., V. III, p. 131, 9 1864 



Female. Black. Head somewhat shining; antennae slightly piceous beneatb 

 towards the tip, Thorax opaque; mesothorax sprinkled rather sparsely with 

 distinct punctures, which are confluent in front of the scutellum; metathorax 

 roughly punctured. Wings hyaline, nervures black. Legs black, all the tibiae 

 at base with an obscure whitish spot, indistinct on the posterior pair. Abdomen 

 long and slender, black, the second, third and fourth segments ferruginous, 

 the fourth partly blackish; ovipositor longer than the body, ferruginous, valves 

 black, their tips white. 



Length 5—6'", expanse of the wings 6—7'". 



Hab. Rocky Mountains, Colorado Territory, 



