263 



B) Clypeus medio apice proftradc excisus. Labrum apice mte- 

 grum, minus late rotundatum. Caput subtriangulare, genis 

 valde latis cum temporibns et vertice crasso marginatis; sul- 

 cis frontalibus nullis sed foveolis supra antennas et suleis 

 verticinis distinctis. Autennae breves, apice subserrato-incras- 

 satee, haud pilosaa, articulo 3:o 4:o sesqui longiore. Mesono- 

 tum sutura media et parapsidis tenuissimis, his longius ante 

 scutellum conniventibus. Scutellum leniter convexum, par- 

 cius punctatum. 



2. E. arctica: Nigra, subopaca, capite thoraceque alutaceis, 

 nigro-pilosis; abdomine segmentis 5-6 ultimis testaceo- 

 fasciatis; tibiis tarsisque luteis; alis flavescentibus, ore 

 femoribusque auticis apicera versus pallidis. $ $ Long. 

 10-12 mill. 



Thoms. Op. 300. 2. 



Species colore fasciarum fere Allanti 2-fasciati, capi- 

 tis, mesonoti et an t en na rum structura ab omnibus mox 

 discedens. 



Sällsynt; funnen i Lappland. 



Genus Syiiaireiua Hartig. 



Tenthredo Fallen, Klug. Perineura Hartig. 



Caput vertice minus crasso marginato, suleis frontali- 

 bus sat distinctis; clypeo apice triangulariter exciso; man- 

 dibulis breviusculis, apice subbifido. Antennas long«B, tenues, 

 filiformes, articulo 3:o 4:o subasquali. Mesonotura parap- 

 sidis sat profundis. Ala3 superiores cellula lanceolata bre- 

 viter constricta, postcostali lata; inferiores nervö bumerali 

 cum brachio pone nervum transversam conjuncto; hoc cum 

 nervis transverso-submarginali et recurrente $ margini ala3 

 parallelis. Abdomen nuditate distincta. Oculi parvuli, sub- 

 rotundi, mandibularum basin haud attingentes, orbita in- 

 teriore paralkla. Pede^ haud validi. 



