387 



Mas stylo anali subreeurvo, fronte argeuteo - sericeo , antennis 

 apice crassioribus. 



Syn. : Pemphredon v. d. Lind. — Diodontus Curt. — 

 Xylaeus Shuck. P. borealis Dhlb. — Halle. 



Pemphredon Ltr. 



Alae auticae cellula radialis laneeolata^ simplex; cellulae 

 cubitales completae duae, secimda qiiadrata, utraque venam re- 

 currentem exeipiens; eellulae discoidales completae duae. Alae 

 posticae cellula analis in initio venae cubitalis et discoidalis arciiatim 

 terminata. 



Abdomen ellipticum petiolatum. Femin ae tibia postica 

 brevissime spinulosa; pygidium canaliculatum. Maris facies 

 argenteo-pilosa. 



Syn. : Crabro Fab. — Sphex Pz, — Cemonus Jur. 



P. luguhris Fab. 



Cemonus Jurine. 



Alae anticae cellula radialis lanceolata simplex; cellulae 

 cubitales completae 2, secunda subrectaugula (in vertice paullo 

 latior), prima ambas venas recurrentes exeipiens, secundam in 

 angulum externum; eellulae discoidales completae 2. AI. post. 

 cellula analis in initio venae cubit. arcuatim terminata. Abdomen 

 ellipticum petiolatum. Feminae pygidium subsemiconicumcari- 

 nulatum; Maris brevissimum. 



Syn.: Pemphredon Latr. 



C. unicolor Jur. — Halle. 



C, lethifer Shuck. — Halle, Piemont. 



Mimesa. 



Alae anticae cellula radialis ovato-lanceolata simplex ; cellulae 

 cubitales completae t r e s , secunda subtriangularis , ambas venas 

 recurrentes exeipiens aut primam tantum. Alae posticae cellula 

 analis paullo post initium venae cubitalis terminata, apice 

 oblique truncata. 



Abdomen lanceolatum petiolatum. Feminae pygidium 

 triareatum, area media triangularis, planiuscula; tibia postica 

 spinulosa. Maris pygidium subsemilunare aut subsemiconicum 

 convexum, stylo subrecurvo; autennae longiores. 



Syn. : Trypoxylon Pelopoeus Sphex Fab. — Psen Ltr. 



M. atra (Sphex) Fab. Dhlb. — Halle. Ich stelle diese Art 

 mit Dahlbom hierher, nicht wie Herr Smith zu Psen. 



M. equestris Fab. — Halle. 



M. unicolor v. d. Lind. — Halle. 



M. Dahlbomi Wesm. — Halle. 



M. aurifrons n. sp. Nigra nitida, aureo - sericea ; flagelli 

 basi, tegulis, tarsis, plus minus tibiis genubusque piceo-rufis; 



