CLASS V. iNsr.cTA. 279 



** Antenna thicker tozcards their exti-emities, inserted about the mid- 

 dle of the face : ch/peus trilohute. 



Genus 4G3. CERCERIS. Latr., Illlg., Spinola, Leach. Sphkx. 

 Schii'ffer, Villers, Rossi. Vf.spa. Geoff"., Oliv., Harris. Pm- 

 I.A^TlIL■s. Fubr., Jurine, Panz. Btmbex. liossi. Crabko. 

 Rossi. 

 Antenna" gradually thicker externally, very much apjiroximating at 

 their base, ahiiost as long as the thorax, the third joint somewhat 

 cylindric : mandibles with a tooth in their internal edge : superior 

 uiui^s with the second submarginal cell petiolatcd. 

 8 p. 1. Cer. (juadricinctus. 



I'hilantluis quadricinctus. Fabr., Panz. Cerceris quadricinctus. Leach. 

 Inhabits ■ — ■ ? 



Fam. XVII. Vespad.t.. Leach. 

 Vespari.t,. Latrcille. 



Superior uings folded longitudinally: thorax with the first segment 

 forming an arc, prolonged behind even to the origin of the superior 

 wings: antenna: twelve-jointed, with their extremities pointed: lip 

 with three glandiferous divisions, or with four long plumose sette. 



Stiups 1. — Mandibles longer than broad, anteriorly meeting like a 

 rostnnn : clj/peus cordiform, with the point porrected, and more or 

 less truncated : lip having four glandular points at its extremity, 

 parted into three pieces, the middle one large, and bifid or notched 

 at its extremity : superior nings doubled, three submarginal cells 

 complete: marillari/ pa/pi six-jointed, not very much shorter than 

 the labial ones. 



Genus 464. ODYNERUS. Latr., Leach. Vespa. Panz., Fabr. 



Abdomen ovoid-conic, the second segment broader than the first : tnax- 

 iltary palpi with the two or three first joints extending beyond the 

 extremity of the maxilla; : maxilla with the terminal lobe short, 

 short-lance-shapcd. 



Sp. 1. Ody. parictinus. 



Vespa parietina. Fabr. 



Inhabits walls. 



Stirps 2. — Mandibles longer than broad, long quadrate, with their ex- 

 tremities obliquely truncated : ch/pcus almost quadrate : lip with the 

 intermediate division a little lengthened, cordiform. 



Genus 465. VESPA of authors. 

 Mandibles (at least of the females and neuters) with the second tooth 

 much broader than the two under ones, the upper one obtuse : cly- 

 peus with the anterior margin broadly truncate, and somewhat emar- 



