276 MODERK SYSTEM. 



Pompilus corniculus. Spinolu. Dolichurus ater. Latr., Leach. 

 Inhabits — ~ — ■ 



Fam. W. LARRAD.t. Leach. 



Laurat/e. LatreiUc. 



Thorav with the first segment transverse-linear : feet short, or mode- 

 rately long: labrum entirely concealed, or but very obscure: eyes 

 elongate, reaching the hinder margin : c«t//j very distinct: antcnnte 

 inserted near the nioifth, the first joint obovoid or inserted in the 

 middle of the face : superior wings not folding longitudinally. 



Stirps 1. — Superior wings with two or three submarginal cells complete. 



a. Ei/es entire, not emurginate. Mandibles uithout an emargination 



on their internal edge. 



* Antenna thicker externaUi/ : eyes separate. 



Genus 451. GOllYTRS. Latr., Illig., Spin., Leach. Mellinus, 

 Fabr., Wulck. V'espa. Linn., Geoff". Sphex. Rossi. Ar- 

 PACTUs. Jurine, Panz. OxYnn.us. Fabr. 

 Anlcnntc inserted below the middle of the face : vwndibles unidentate : 



superior wings with the second submarginal cell sessile. 

 Sp. 1. Gor. quinqnecinctus. 

 Gorytes quinquecinctus. Latr., Leach. 

 Inhabits . 



Genus 452. PSEN. Latr., Jurine, Panz., Illig., Leach. Trypoxt- 



LON. Fabr. * 



Antemift thicker externally, inserted in the middle of the face, towards 

 the front: eyes separate: abdomen with the peduncle abrupt and 

 short. 

 Sp. 1. Pscn ater. Latr. 

 Iiiliabits posts and sandy places. 



** Antennce filiform : eyes vieeting behind. 



Genus 453. AST ATA. Latr., Spinola, Leach. Spiiex. Villers, Rossi. 



DiMoiiPiiA. .Jurine, Panz., Illig. 

 Antenna: inserted towards the moutli at the base of the clv^peus. 



b. Fjycs entire, not cmarginutc : mandibles emurginate on their in- 



ternal edge. 



* Superior wiugs with three submarginal cells. 



Genus 454. LARRA. Fabr., OUv., Jurine, Panz., Spinola, Latr., 

 Leach. LiRis. Fabr., Illig. Spiiex. Fillers, Rossi. 

 Antenna: filiform : su])erior nings with the third submarginal cell nar- 

 row, almost lunate: mandibles without a tooth-like process on their 

 internal edge. 



