Notes hijménoptérologlques. — Platylabus, !2') 



8. P. DOLOROSus (Grav.). 



Obs. Melatliorax arca coxali discrets, costula distincta ; abdomiiiis 

 segmonto vontrali 4° plica niilla, ultimo lercîbram fere occultante. 



9. P. LEucoGRAMMus (Grav.). 



Obs. Metathorax ut in pnccedente ; seguieuto 4" vontrali plica clevata ; 

 tarsi maris siibtus subspinosuli, hujus llagelio inedio liueis o-G ele- 

 vatis. 



Divisio II. — Abdomen totum vel pro parte rufum aut castaneum. 



10. P. RUFIVENTRIS (WeSUl.). 



Obs. Hœc species, etiam in Suecia australi inventa, capite pone oculos 

 haud angustato, costa orali fcre laniinato-elevata, metatliorace area 

 coxali sed costula nulla, scutello cum lineis et punctis capitis thora- 

 cisque albidis, abdomine toto confertim punctato, flagelli c? lineis 4-5 

 obsolète elevatis ab affinibus optime distinguenda. 



H. P. RUFUS (Wesm.). 



Obs. Abdomen, basi excepta, $ heve, maris minus evidenter puncta- 

 tum; area coxali nulla ; mas valdo rarus. Varietatem feminœ antennis 

 totis nigris e Lapponia vidi. 



12. P. ERRABUNDus (Grav,). 



Obs. Species abdominis petiolo haud depresso, thyridiis parvis, fronte 

 punctulata, area metathoracis haud transversa, notaulis nullis, post- 

 scutello rufo ab affinibus mox discedens. 



i;5. P. TRiciNGULATUS (Grav.). 



Obs, Ihec species, forsitanP. paUidentis mas, etiam in Suecia inventa, 

 metathoracis spiraculis ovali-rotundis, area coxali discreta, costa genali 

 parum elcvata coloreque mox distincta. 



Segtio 2, — Metathorax spiraculis parvis, rotundis, costula distincta. 

 Frons coriaceo-opaca. Vertex brevis, pone oculos fortiter ungustatus. 

 Noiauli brèves, sed distincti. Abdomen totum vel basin versus rufum, 

 terebra exserta tenui, vulmla ventrali retracta. Alx areola o-gona, ner- 

 vello verticali. Tarsi tenues, subtus etiam feminx subspimilosi. 



14. P. MGRicoLLis (Wesm.), 



Obs. Marem in Suecia australi cl in oodcm loco, quo femina cap- 



